Lengths / Distance / Speed

Inches

Test Value	Original Test Value	Target Value	Result
3 x 5 x 2 inches	3 x 5 x 2 i​nches	76.2 x 127 x 50.8 millimetres
3 x 5 x 2 in	3 x 5 x 2 i​n	76.2 x 127 x 50.8 mm
3 × 5 × 2 in	3 × 5 × 2 i​n	76.2 × 127 × 50.8 mm
3" x 5" x 2"	3​" x 5​" x 2​"	76.2 mm x 12.7 cm x 50.8 mm
The dimensions were 3 ²⁹⁄₃₂" x 5" x 2".	The dimensions were 3 ²⁹⁄₃₂​" x 5​" x 2​".	The dimensions were 99.2 mm x 12.7 cm x 50.8 mm.
The dimensions were 3 ⅓" x 5" x 2".	The dimensions were 3 ⅓​" x 5​" x 2​".	The dimensions were 84.7 mm x 12.7 cm x 50.8 mm.
I used 9 inch nails in the roof.	I used 9 i​nch nails in the roof.	I used 22.86 centimetre nails in the roof.
The nail was 1 inch in length.	The nail was 1 i​nch in length.	The nail was 25.4 millimetres in length.
We were walking in water 5 inches deep.	We were walking in water 5 i​nches deep.	We were walking in water 12.7 centimetres deep.
There are 12 inches in 1 foot.	There are 12 i​nches in 1 f​oot.	There are 30.48 centimetres in 30.48 centimetres.
5.5 inches	5.5 i​nches	13.97 centimetres
5.5"	5.5​"	13.97 cm
5.5”	5.5​”	13.97 cm
5 1/2 inches	5 1/2 i​nches	13.97 centimetres
5 1/2"	5 1/2​"	13.97 cm
5 ½ inches	5 ½ i​nches	13.97 centimetres
5½ inches	5½ i​nches	13.97 centimetres
5 ½"	5 ½​"	13.97 cm
5 ½ in	5 ½ i​n	13.97 cm
5 ½ in.	5 ½ i​n.	13.97 cm.
Version 2.5 installed	Version 2.5 i​nstalled	Version 2.5 installed
38 involved	38 i​nvolved	38 i​nvolved
-⅘ inches	-⅘ i​nches	-20.3 millimetres
+⅘ inches	+⅘ i​nches	20.3 millimetres
10 inches	10 i​nches	25.4 centimetres
10 Inches	10 I​nches	25.4 Centimetres
10 INCHES	10 I​NCHES	25.4 CENTIMETRES
1/4-inch to 3/4-inch	1/4-i​nch to 3/4-i​nch	6.4-millimetres to 19-millimetres
¼"	¼​"	6.4 mm
In 1981 there were 4. In 1989 there were 7.	I​n 1981 there were 4. I​n 1989 there were 7.	I​n 1981 there were 4. I​n 1989 there were 7.
She said "I prefer number 50".	False positive expected.	She said "I prefer number 1.3 m.
I saw 12 inchworms yesterday.	I saw 12​ in​chworms yesterday. (Test false positive.)	I saw 12​ i​nchworms yesterday.
13 inch.	13​ i​nch.	33.02 centimetre.
in March 2018, in the wake	in March 2018, i​n the wake (Test false positive)	in March 2018, i​n the wake
“as early as 2021,”	“as early as 2021​,​” (Test false positive)	“as early as 2021​,​”
25 5/8x59 "	25 5/​8​x​5​9 ​" (This is on an Ikea page)	0.65 mx1.5 m
25 5/8 x 59 inches	25 5/​8 x 5​9 i​nches	0.65 x 1.5 metres
between 10 and 11 inches	between 10 and 11 i​nches	between 25.4 and 27.94 centimetres
from 10 to 11 inches	from 10 to 11 i​nches	from 25.4 to 27.94 centimetres
65.61679790026244 inches	65.61679790026244 i​nches (force rounding error)	1.7 metres
5.5”	5.5​” (curly quotes)	13.97 cm
5.5''	5.5​'​' (2 single quotes)	13.97 cm
5.5’’	5.5​’​’ (2 single apostrophies)	13.97 cm
5.5′′	5.5​′​′ (2 single primes)	13.97 cm

Feet and Inches

Test Value	Original Test Value	Target Value	Result
My friend is 5 feet 11¾ inches tall	My friend is 5 f​eet 11¾ i​nches tall	My friend is 1.8 metres tall
My friend is 5 feet 11 3/4 inches tall	My friend is 5 f​eet 11 3/4 ​inches tall	My friend is 1.8 metres tall
My friend is 5 feet 11 3/4 inches tall	My friend is 5 f​eet 11 3/4 i​nches tall	My friend is 1.8 metres tall
5 foot 7 inches	5 f​oot 7 i​nches	1.7 metres
5 foot 7⅜ inches	5 f​oot 7⅜ i​nches	1.7 metres
5 foot 7	5 f​oot 7	1.7 metres
5 feet 7 inches	5 f​eet 7 i​nches	1.7 metres
4 feet 1 inch	4 f​eet 1 i​nch	1.2 metres
5' 7⅜"	5​' 7⅜​"	1.7 m
5' 7	5​' ​7​	1.7 m
5' 7⅜	5​' ​7⅜​	1.7 m
5'7"	5​'​7​"	1.7 m
5’7”	5​’​7​”	1.7 m
5'7	5​'​7​	1.7 m
5ft7in	5​ft7​in	1.7 m
5 ft 7 in	5 f​t 7 i​n	1.7 m
5ft 7in	5f​t 7i​n	1.7 m
5ft7	5f​t7	1.7 m
5 ft 7	5 f​t 7	1.7 m
5ft 7	5f​t 7	1.7 m
with 5ft, 7 other options	with 5f​t, 7 other options	with 1.5 m, 7 other options

Feet

Test Value	Original Test Value	Target Value	Result
½ foot	½ f​oot	15.24 centimetres
½'	½​'	15.24 cm
½ ft	½ f​t	15.24 cm
1 foot	1 f​oot	30.48 centimetres
1'	1​'	30.48 cm
1 ft	1 f​t	30.48 cm
2 feet	2 f​eet	60.96 centimetres
2'	2​'	60.96 cm
2’	2​’	60.96 cm
2 ft	2 f​t	60.96 cm
1,000 feet	1,000 f​eet	305 metres
1,000 feet	1,000 f​eet	305 metres
2,000 feet	2,000 f​eet	610 metres
5,000 feet	5,000 f​eet	1.5 kilometres
10,000 feet	10,000 f​eet	3,048 metres
35,000 feet	35,000 f​eet	10,668 metres
Over 50's	Over 50​'s (false positive on apostrophe)	Over 50​'s
5 footballs were reported lost.	5​ fo​otballs were reported lost. (Test false positive)	5​ fo​otballs were reported lost.
≈1,000 feet	≈1,000 f​eet	≈305 metres
60-foot	60-f​oot	18.3-metre

Yards

Test Value	Original Test Value	Target Value	Result
1 yard	1 y​ard	91.44 centimetres
1 yd	1 y​d	91.44 cm
2 yards	2 y​ards	1.8 metres
2 yd	2 y​d	1.8 m
2yd	2y​d	1.8 m
2⅔yd	2⅔y​d	2.4 m
2 yds	2 y​ds	1.8 m
2, 3, 4, 5 and 6 yards	2, 3, 4, 5 and 6 y​ards	1.8, 2.7, 3.7, 4.6 and 5.5 metres
8 yardsticks were on backorder.	8 y​ardsticks were on backorder. (Test false positive)	8 y​ardsticks were on backorder.

Fathoms

Test Value	Original Test Value	Target Value	Result
1 fathom	1 f​athom	1.8 metres
13 fathoms	13 f​athoms	23.8 metres
1 warship fathom	1 w​arship f​athom	1.8 metres
13 warship fathoms	13 w​arship f​athoms	23.8 metres
1 ftm	1 f​tm	1.8 m
13 ftm	13 f​tm	23.8 m
13 ftms	13 f​tms	23.8 m
5,000 fathoms	5,000 f​athoms	9 kilometres

Furlongs

Test Value	Original Test Value	Target Value	Result
1 furlong	1 f​urlong	201 metres
3 furlongs	3 f​urlongs	604 metres
6 furlongs	6 f​urlongs	1.2 kilometres
8 furlongs	8 f​urlongs	1.6 kilometres
1 fur	1 f​ur	1 f​ur
3 furs	3 f​urs	3 f​urs
6 furs	6 f​urs	6 f​urs
8 furs	8 f​urs	8 f​urs
They have 3 fur coats.	They have 3 f​ur coats.	They have 3 f​ur coats.

Miles (Statute)

Test Value	Original Test Value	Target Value	Result
½ mile	½ m​ile	805 metres
half a mile	half a m​ile	805 metres
½mi	½m​i	805 m
½ mi	½ m​i	805 m
1 mile	1 m​ile	1.6 kilometres
1 statute mile	1 s​tatute mile	1.6 kilometres
1 mi	1 m​i	1.6 km
2 miles	2 m​iles	3.2 kilometres
2 statute miles	2 s​tatute miles	3.2 kilometres
2 mi	2 m​i	3.2 km
mile: 12	m​ile: 12	kilometre: 19.3
mile 12	m​ile 12	kilometre 19.3
miles 12, 15 and 18	m​iles 12, 15 and 18	kilometres 19.3, 24.1 and 29
twelve—miles	t​welve—m​iles	19.3—kilometres
twelve miles	t​welve m​iles	19.3 kilometres
one million two hundred and thirty four thousand five hundred and sixty seven miles	one million two hundred and thirty four thousand five hundred and sixty seven m​iles	1,986,843 kilometres
88,985,214,789 miles	88,985,214,789 m​iles	1.432×10¹¹ kilometres
88,985,214,789 mi	88,985,214,789 m​i	1.432×10¹¹ km
20,000 miles	20,000 m​iles	32,187 kilometres
twenty thousand miles	twenty t​housand m​iles	32,187 kilometres
20 thousand miles	20 t​housand m​iles	32,187 kilometres

Nautical Miles

Test Value	Original Test Value	Target Value	Result
½ nautical mile	½ na​utical mile	926 metres
½nm	½n​m	926 m
½ nm	½ n​m	926 m
1 nautical mile	1 n​autical mile	1.9 kilometres
1 nm	1 n​m	1.9 km
1 nmi	1 n​mi	1.9 km
2 nautical miles	2 n​autical miles	3.7 kilometres
2 nm	2 n​m	3.7 km
2 nmi	2 n​mi	3.7 km

Leagues

Test Value	Original Test Value	Target Value	Result
20,000 leagues under the sea	20,000 l​eagues under the sea	20,000 l​eagues under the sea

Miles per hour

Test Value	Original Test Value	Target Value	Result
2 mph	2 m​ph	3.2 km/h
2 miles per hour	2 m​iles per h​our	3.2 kilometres per hour
2 m.p.h	2 m​.p.h	3.2 km/h

Weight

Tons

Test Value	Original Test Value	Target Value	Result
¼ ton	¼ t​on	227 kilograms
½ ton	½ t​on	454 kilograms
1 ton	1 t​on	907 kilograms
2 tons	2 t​ons	1.8 tonnes
100 tons	100 t​ons	91 tonnes
100 tonnes	100 t​onnes (False positive)	100 t​onnes
23 imperial-tons	23 imperial-t​ons	23 tonnes
23 imperial-ton	23 imperial-t​on	23 tonne
23 imperial tons	23 imperial t​ons	23 tonnes
23 long ton	23 long t​on	23 tonne
23-ton	23-t​on	21-tonne
23 us tons	23 us t​ons	21 tonnes
23 short ton	23 short t​on	21 tonne

Stones

Test Value	Original Test Value	Target Value	Result
¼ stone	¼ s​tone	1.6 kilograms
½ stone	½ s​tone	3.2 kilograms
1 stone	1 s​tone	6.4 kilograms
2 stones	2 s​tones	13 kilograms
100 stones	100 s​tones	635 kilograms

Stones and Pounds

Test Value	Original Test Value	Target Value	Result
1 stone 5 pounds	1 s​tone 5 p​ounds	8.6 kilograms
12 stone 10 pounds	12 s​tone 10 p​ounds	81 kilograms
12 stone 10	12 s​tone 10	81 kilograms

Pounds

Test Value	Original Test Value	Target Value	Result
½ pound	½ p​ound	226.8 grams
1 pound	1 p​ound	453.6 grams
2 pounds	2 p​ounds	907.2 grams
2 lb	2 l​b	907.2 g
2 lbs	2 l​bs	907.2 g
5 pounding drums	5 p​ounding drums	5 p​ounding drums
1lb	1l​b	453.6 g
2lbs	2l​bs	907.2 g
half a million pounds	half a million p​ounds	227 tonnes
a million pounds	a million p​ounds	454 tonnes
1,500,000 pounds	1,500,000 p​ounds	680 tonnes
one and a half million pounds	one and a half million p​ounds (v0.0.3 expect to fail)	680 tonnes

Ounces

Test Value	Original Test Value	Target Value	Result
1 ounce	1 o​unce	28.3 grams
1 troy ounce	1 troy o​unce	31.1 grams
1 oz	1 o​z	28.3 g
1oz	1​oz	28.3 g
7 ounces	7 o​unces	198.4 grams
7 ozs	7 o​zs	198.4 g
7ozs	7​ozs	198.4 g
1, 4 & 9 oz	1, 4 & 9 o​z	28.3, 113.4 & 255.1 g
1, 4 & 9 ounces	1, 4 & 9 o​unces	28.3, 113.4 & 255.1 grams

Area

Square Inches

Test Value	Original Test Value	Target Value	Result
0.5 square inches	0.5 s​quare i​nches	3.2 s​quare centimetres
1 square inch	1 ​square i​nch	6.5 s​quare centimetres
0.05 square inches	0.05 s​quare i​nches	32.3 s​quare millimetres
8 square inches	8 s​quare i​nches	51.6 s​quare centimetres
8 square-inches	8 s​quare-i​nches	51.6 s​quare centimetres
8 inches²	8 i​nches²	51.6 s​quare centimetres
8 in²	8 i​n²	51.6 c​m²
8 sq in	8 sq i​n	51.6 c​m²
8 sqins	8 sqi​ns	51.6 c​m²

Square Feet

Test Value	Original Test Value	Target Value	Result
200 square feet	200 s​quare f​eet	19 s​quare metres
200 square-feet	200 s​quare-f​eet	19 s​quare metres
200-square-feet	200-s​quare-f​eet	19-s​quare metres
200 sq. ft.	200 s​q. f​t.	19 m².
200 ft².	20​0 f​t​².	19 m².
200 sqft.	20​0 s​qft.	19 m².
200 sq ft	20​0 s​q ft	19 m²

Roods and Perches

Test Value	Original Test Value	Target Value	Result
1 rood	1 r​ood	1,012 s​quare metres
6 roods	6 r​oods	6,070 s​quare metres
1 perch	1 p​erch	25 s​quare metres
40 perches	40 p​erches	1,012 s​quare metres

Acres

Test Value	Original Test Value	Target Value	Result
¼ acre	¼ a​cre	1,012 s​quare metres
1 acre	1 a​cre	4,047 s​quare metres
12 acres	12 a​cres	4.9 hectres
12 ac	12 a​c	4.9 ha
9 actresses	9 a​ctresses (Test false positive)	9 a​ctresses
¼ ac	¼ a​c	1,012 m²

Squares (Construction)

Test Value	Original Test Value	Target Value	Result
1 square is 100 square feet	1 s​quare is 100 s​quare f​eet	9.3 s​quare metres is 9.3 s​quare metres
The house was 78 squares.	The house was 78 sq​uares.	The house was 725 s​quare metres.

Volume

Fluid Ounces

Test Value	Original Test Value	Target Value	Result
1 fluid ounce	1 f​luid o​unce	30 millilitres
1 us fluid ounce	1 u​s f​luid o​unce	30 millilitres
1 uk fluid ounce	1 u​k f​luid o​unce	28 millilitres
1 imperial fluid ounce	1 i​mperial f​luid o​unce	28 millilitres
2 fluid ounces	2 f​luid o​unces	59 millilitres
8¾ fluid ounces	8¾ f​luid o​unces	259 millilitres
400 fluid ounces	400 f​luid o​unces	12 litres
From 3 to 17 fluid ounces	From 3 to 17 f​luid o​unces	From 89 to 503 millilitres
5, 30, 200 and 400 fluid ounce options	5, 30, 200 and 400 f​luid o​unce options	0.15, 0.9, 6 and 12 litre options
5; 30; 200 and 400 fluid ounce options	5; 30; 200 and 400 f​luid o​unce options	0.15; 0.9; 6 and 12 litre options
1 fl oz	1 f​l o​z	30 ml
1 fl-oz	1 f​l-o​z	30 ml
1 fluid-oz	1 f​luid-o​z	30 ml
1 fluid oz	1 f​luid o​z	30 ml
9 fl ounces	9 f​l o​unces	266 ml
1 fl-ounce	1 f​l-o​unce	30 ml
1 fluid-ounce	1 f​luid-o​unce	30 millilitres
9 fl ozs	9 f​l o​zs	266 ml

Pints

Test Value	Original Test Value	Target Value	Result
1 pint	1 p​int	473 millilitres
1 pt	1 p​t	473 ml
17 pints	17 p​ints	8 litres
34 pt	34 p​t	16.1 l
20-pint	20 p​int	9.5-litre
14 imperial pints	14 imperial p​int	8 litres
13 us pints	13 us p​int	6.2 litres
13 us dry pints	13 us dry p​int	7.2 litres
Between 5 and 9 pints	Between 5 and 9 p​ints	Between 2.4 and 4.3 litres

Quarts

Test Value	Original Test Value	Target Value	Result
1 quart	1 q​uart	946 millilitres
13 quarts	13 q​uarts	12.3 litres
13 us quarts	13 us q​uarts	12.3 litres
13 uk quarts	13 uk q​uarts	14.8 litres
13 imperial quarts	13 i​mperial q​uarts	14.8 litres
3-quart	3-q​uart	2.8-litre
A 6 uk quart container	A 6 u​k q​uart container	A 6.8 litre container
1 qt	1 q​t	946 ml
13 qts	13 q​ts	12.3 l

Gallons

Test Value	Original Test Value	Target Value	Result
¼ gallon	¼ g​allon	946 millilitres
1 gallon	1 g​allon	3.8 litres
3 gallons	3 g​allons	11.4 litres
3 us gal	3 u​s g​al	11.4 l
3 us gallons	3 u​s g​allons	11.4 litres
3 uk gallons	3 u​k g​allons	13.6 litres
3 imp gal	3 i​mp g​al	13.6 l
3 imperial gallons	3 i​mperial g​allons	13.6 litres
0.264172052358148 US gallons	0.264172052358148 U​S g​allons	1 litre
1 imperial gallon is equal to 1.20095 us gallons	1 i​mperial g​allon is equal to 1.20095 us g​allons	4.5 litres is equal to 4.5 litres
1 gal	1 g​al	3.8 l
1 gal.	1 g​al	3.8 l.
3 gals	3 g​als	11.4 l

Barrels

Test Value	Original Test Value	Target Value	Result
¼ barrel	¼ b​arrel	39.7 litres
1 barrel	1 b​arrel	159 litres
1 imperial barrel	1 imperial b​arrel	164 litres
25 barrels	25 b​arrels	3,975 litres
25 us barrels	25 us b​arrels	3,975 litres
1,000 barrels	1,000 b​arrels	158,987 litres
¼ oil barrel	¼ oil b​arrel	39.7 litres
1 oil barrel	1 oil b​arrel	159 litres
25 oil barrels	25 oil b​arrels	3,975 litres
1,000 oil barrels	1,000 oil b​arrels	158,987 litres

Cubic Inches

Test Value	Original Test Value	Target Value	Result
0.001 cubic inch	0.001 c​ubic inch	16.387 cubic millimetres
1 cubic inch	1 c​ubic inch	16.39 cubic centimetres
23 cubic inches	23 c​ubic inches	376.9 cubic centimetres
There are 1,728 in³ in 1 ft³	There are 1,728 i​n​³ i​n 1 f​t​³	There are 28,317 cm³ i​n 28,317 cm³

Cubic Feet

Test Value	Original Test Value	Target Value	Result
1 cubic foot	1 c​ubic foot	28,317 cubic centimetres
19 cubic feet	19 c​ubic feet	0.54 cubic metre
100 cubic feet	100 c​ubic feet	2.8 cubic metres
500 cubic feet	500 c​ubic feet	14.2 cubic metres
1000 cubic feet	1000 c​ubic feet	28.3 cubic metres
25,000 cubic feet	25,000 c​ubic feet	708 cubic metres
We recieved an order for 4 cubic footballs	We recieved an order for 4 c​ubic fo​otballs	We recieved an order for 4 c​ubic fo​otballs

Acre Feet

Test Value	Original Test Value	Target Value	Result
1 acre foot	1 a​cre foot	1,233 cubic metres
51 acre feet	51 a​cre feet	62,907 cubic metres
51 acre-feet	51 a​cre-feet	62,907 cubic metres

Pressure

Pounds per square inch

Test Value	Original Test Value	Target Value	Result
1 pound per square inch	1 p​ound per square inch	69 hectopascals
1 psi	1 p​si	69 hPa
1 p.s.i	1 p​.s.i	69 hPa
34 pounds per square inch	34 p​ound per square inch	234 kilopascals
34 psi	34 p​si	234 kPa
34 p.s.i	34 p​.s.i	234 kPa

Atmosphere

Test Value	Original Test Value	Target Value	Result
1 atm	1 a​tm	101 kPa
1 atmosphere	1 a​tmosphere	101 kilopascals
1 standard pressure	1 s​tandard pressure	101 kilopascals
1 reference pressure	1 r​eference pressure	101 kilopascals
Mercury's surface is at 90 atmospheres	Mercury's surface is at 90 a​tmospheres	Mercury's surface is at 9.1 megapascals
The Mariana Trench is at 1,000 atmospheres	The Mariana Trench is at 1,000 a​tmospheres	The Mariana Trench is at 101.3 megapascals

Power

Horsepower

Test Value	Original Test Value	Target Value	Result
0.000001 horsepower	0.000001 h​orsepower	745.6999 microwatts
0.000001 hp	0.000001 h​p	745.6999 µW
0.001 horsepower	0.001 h​orsepower	745.7 milliwatts
0.001 hp	0.001 h​p	745.7 mW
1 horsepower	1 h​orsepower	745.7 watts
48 horsepower	48 h​orsepower	35.8 kilowatts
48 brakehorsepower	48 brakeh​orsepower	35.8 kilowatts
48 brake-horsepower	48 brake-h​orsepower	35.8 kilowatts
48 brake horsepower	48 brake h​orsepower	35.8 kilowatts
400 BTU	400 B​TU	117.2 W
400 BTUs	400 B​TUs	117.2 W
1 british thermal unit	1 b​ritish t​hermal u​nit	293.07 milliwatts
2 british thermal units	2 b​ritish t​hermal u​nits	586.14 milliwatts
1 brittish thermal unit	1 b​rittish t​hermal u​nit (alternate spelling)	293.07 milliwatts
a 20,000 british thermal unit output	a 20,000 b​ritish t​hermal u​nit output	a 5.9 kilowatt output

Miscellaneous Units

Temperature

Test Value	Original Test Value	Target Value	Result
78° fahrenheit	78​° f​ahrenheit	26° celsius
78 degrees fahrenheit	78 d​egrees f​ahrenheit	26 degrees celsius
78 degrees f	78 deg​rees f	26 degrees celsius
78 degrees F	78 deg​rees F	26 degrees celsius
78°F	78​°F	26°C
78°f	78​°f	26°C
78° f	78​° f	26°C
1 degree fahrenheit	1 d​egree f​ahrenheit	-17 degrees celsius
-1 degree fahrenheit	-1 d​egree f​ahrenheit	-18 degrees celsius
minus 1 degree fahrenheit	minus 1 d​egree f​ahrenheit	minus -17 degrees celsius
minus 100 degrees fahrenheit	minus 100 d​egrees f​ahrenheit	minus 38 degrees celsius
-100 degrees fahrenheit	-100 d​egrees f​ahrenheit	-73 degrees celsius
32° f	32​° f	0°C
−40° F	−40​° F	-40°C
-40°F	-40​°F	-40°C
40°F	40​°F	4.4°C
79 degrees	79 d​egrees	79 d​egrees
79°	79​°	79​°
between 32 and 90°F	between 32 and 90​°F	between 0 and 32°C
from 32 to 90°F	from 32 to 90​°F	from 0 to 32°C
from 32 to 90 degrees fahrenheit	from 32 to 90 d​egrees f​ahrenheit	from 0 to 32 degrees celsius

Fuel Consumption

Test Value	Original Test Value	Target Value	Result
10 miles per gallon	10​ m​iles p​er g​allon	24 litres/100 kilometres
10 miles to the gallon	10 m​iles to the gallon	24 litres/100 kilometres
10 miles/gallon	10 m​iles/gallon	24 litres/100 kilometres
10 miles\gallon	10 m​iles\gallon	24 litres/100 kilometres
10½ miles per gallon	10½​ m​iles per gallon	22 litres/100 kilometres
Between 10 and 12 miles per gallon	Between 10​ and 12​ m​iles per gallon	Between 24 and 20 litres/100 kilometres
Option of: 10, 12 and 16 miles per gallon	Option of: 10​, 12​ and 16​ m​iles per gallon	Option of: 23.5, 19.6 and 14.7 litres/100 kilometres
10 mpg	10​ m​pg	24 l/100km
10⅔ mpg	10⅔​ m​pg	22 l/100km
10 2/3 mpg	10​ 2​/​3​ m​pg	22 l/100km
between 10 & 13 mpg	between 10​ & 13​ mp​g	between 24 & 18 l/100km
9mpg	9​m​pg	26 l/100km
5, 6, 7 as well as 9 mpg	5​, 6​, 7​ as we​ll as 9​ m​pg	47, 39, 34 as well as 26 l/100km

Energy

Test Value	Original Test Value	Target Value	Result
1 calorie	1 c​alorie	4 kilojoules
800 calories	800 c​alories	3,347 kilojoules
800-calorie	800-c​alorie	3,347-kilojoule

Miscellaneous Testing

Singular Form

Test Value	Original Test Value	Target Value	Result
mile 27	m​ile 27	kilometre 43.5
We stopped overnight at mile 32	We stopped overnight at m​ile 32	We stopped overnight at kilometre 51.5
It was exactly 1 mile long	It was exactly 1 m​ile long	It was exactly 1.6 kilometres long
We stopped overnight at mile 32 and rested	We stopped overnight at m​ile 32 and rested	We stopped overnight at kilometre 51.5 and rested
We stopped overnight at mile 32 to rest	We stopped overnight at m​ile 32 to rest	We stopped overnight at kilometre 51.5 to rest
We needed to reach mile 32 or abandon the trip	We needed to reach m​ile 32 or abandon the trip	We needed to reach kilometre 51.5 or abandon the trip
We went on a 27 mile hike	We went on a 27 m​ile hike	We went on a 43.5 kilometre hike
They were wearing 40 gallon hats	They were wearing 40 g​allon hats	They were wearing 151 litre hats
I used 9 inch nails in the roof	I used 9 i​nch nails in the roof	I used 22.86 centimetre nails in the roof
They had a 8 pound child	They had a 8 p​ound child	They had a 3.6 kilogram child
The ball was fumbled at the 10 yard line	The ball was fumbled at the 10 y​ard line	The ball was fumbled at the 9.1 metre line
She knitted a 7 foot scarf	She knitted a 7 f​oot scarf	She knitted a 2.1 metre scarf
An 8 ounce glass shattered on the floor.	An 8 o​unce glass shattered on the floor. (Grammar note: "An 226.8 gram glass" An/A)	An 226.8 gram glass shattered on the floor.
Walk ¼ mile to your friend's house	Walk ¼ m​ile to your friend's house	Walk 402 metres to your friend's house

Test False Positive Lat/Long Degrees & Feet/Inches

Test Value	Original Test Value	Target Value	Result
Tropic of Capricorn: 23°26'	Tropic of Capricorn: 23​°26​'	Tropic of Capricorn: 23​°26​'
Tropic of Capricorn: 23° 26'	Tropic of Capricorn: 23​° 26​'	Tropic of Capricorn: 23​° 26​'
lat 42° 15’ 30" N	lat 42​° 15​’ 30​" N	lat 42​° 15​’ 30​" N
lat 18° 40’ 16" S	lat 18​° 40​’ 16​" S	lat 18​° 40​’ 16​" S
long 89° 17’ 45" W	long 89​° 17​’ 45​" W	long 89​° 17​’ 45​" W
long 20° 19’ 22" E	long 20​° 19​’ 22​" E	long 20​° 19​’ 22​" E

Test with dashes

Test Value	Original Test Value	Target Value	Result
20-mile	20-m​ile	32.2-kilometre
5-mile	5-m​ile	8-kilometre
five-mile	five-m​ile	8-kilometre
5-mi	5-m​i	8-km
12-inch	12-i​nch	30.48-centimetre
9-inch	9-i​nch	22.86-centimetre
nine-inch	nine-i​nch	22.86-centimetre
4-yard	4-y​ard	3.7-metre
10-yard	10-y​ard	9.1-metre
10-yd	10-y​d	9.1-m
4-foot	4-f​oot	1.2-metre
13-foot	13-f​oot	4-metre
12-pound	12-p​ound	5.4-kilogram
9-pound	9-p​ound	4.1-kilogram
nine-pound	nine-p​ound	4.1-kilogram
17-ounce	17-o​unce	481.9-gram
8-ounce	8-o​unce	226.8-gram
10-ton	10-t​on	9.1-tonne
3-ton	3-t​on	2.7-tonne
12-gallon	12-g​allon	45.4-litre
9-gallon	9-g​allon	34.1-litre
11-pint	11-p​int	5.2-litre
7-pint	7-p​int	3.3-litre
17-quart	17-q​uart	16.1-litre
3-quart	3-q​uart	2.8-litre

Scaling Tests

[3 x 15 x 29 inches] should all use the same units because they are part of a group.

[3" x 5" x 40"] should use individual units because they are detected separetly.

Test with various HTML tags

Test with "20<br>miles<br>"

20 miles

Test with "20&nbsp;<br>miles<br>"

20  miles

Test with "20<b>miles</b>"

20miles

Test with "20&nbsp;<b>miles</b>"

20 miles

Test CSS Margin Causing Illusion of Spaces

Test with <span style="margin-right: 7px;">

20miles

Test with <span style="padding-right: 7px;">

20miles

More investigation is required becaue it seems that the SPANs within the metrication hotspot prevent the margin/padding styles from being applied.

Test with <div style="margin-right: 7px; display: inline-block;">

20 miles

Test with <div style="padding-right: 7px; display: inline-block;">

20 miles

End test with <div>

Test HTML Comment Detection

Well-formed comment. Should show nothing. ==>
Malformed comment. Should show something. ==> start commentend 20 miles comment--> End comment testing.

Test with two spaces.

We hiked 20 miles.
20 miles.
20  miles. (Non-breaking spaces)

Test fractions.

We walked ¹⁄₄ mile and stopped.
<small>¹<big>⁄</big>₄</small> mile
¹⁄₄ mile

Test Value	Original Test Value	Target Value	Result
¼ mile	¼ m​ile	402 metres
½ mile	½ m​ile	805 metres
¾ mile	¾ m​ile	1.2 kilometres
⅐ mile	⅐ m​ile	230 metres
⅑ mile	⅑ m​ile	179 metres
⅒ mile	⅒ m​ile	161 metres
⅓ mile	⅓ m​ile	536 metres
⅔ mile	⅔ m​ile	1.1 kilometres
⅕ mile	⅕ m​ile	322 metres
⅖ mile	⅖ m​ile	644 metres
⅗ mile	⅗ m​ile	966 metres
⅘ mile	⅘ m​ile	1.3 kilometres
⅙ mile	⅙ m​ile	268 metres
⅚ mile	⅚ m​ile	1.3 kilometres
⅛ mile	⅛ m​ile	201 metres
⅜ mile	⅜ m​ile	604 metres
⅝ mile	⅝ m​ile	1 kilometre
⅞ mile	⅞ m​ile	1.4 kilometres
-⅞ mile	-⅞ m​ile	-1.4 kilometres
1⅞ miles	1⅞ m​iles	3 kilometres
-1⅞ miles	-1⅞ m​iles	-3 kilometres
1.875 miles	1.875 m​iles	3 kilometres
-1.875 miles	-1.875 m​iles	-3 kilometres
1 7/8 miles	1 7/8 m​iles	3 kilometres
1 7/8 miles	1 7/8 m​iles	3 kilometres

Test Pseudo-Units.

A fictitious imperial unit 'qtestq' is converted into an equally fictitious SI unit 'qresultq'. This is to test the corrent evaluation of the input imperial unit prior to its conversion to metric.

Test Value	Original Test Value	Target Value	Result
¼ qtestq	¼ qtest​q	0.25 qresultq
½ qtestq	½ qtest​q	0.5000000000000000000 qresultq
¾ qtestq	¾ qtest​q	0.75 qresultq
⅐ qtestq	⅐ qtest​q	0.142857142857143 qresultq
⅑ qtestq	⅑ qtest​q	0.111111111111111 qresultq
⅒ qtestq	⅒ qtest​q	0.1000000000000000000 qresultq
⅓ qtestq	⅓ qtest​q	0.333333333333333 qresultq
⅔ qtestq	⅔ qtest​q	0.666666666666667 qresultq
⅕ qtestq	⅕ qtest​q	0.2000000000000000000 qresultq
⅖ qtestq	⅖ qtest​q	0.4000000000000000000 qresultq
⅗ qtestq	⅗ qtest​q	0.6000000000000000000 qresultq
⅘ qtestq	⅘ qtest​q	0.8000000000000000000 qresultq
⅙ qtestq	⅙ qtest​q	0.166666666666667 qresultq
⅚ qtestq	⅚ qtest​q	0.833333333333333 qresultq
⅛ qtestq	⅛ qtest​q	0.125 qresultq
⅜ qtestq	⅜ qtest​q	0.375 qresultq
⅝ qtestq	⅝ qtest​q	0.625 qresultq
⅞ qtestq	⅞ qtest​q	0.875 qresultq
-1 qtestq	-1 qtest​q	-1 qresultq
-0.5 qtestq	-0.5 qtest​q	-0.5000000000000000000 qresultq
½ qtestq	½ qtest​q	0.5000000000000000000 qresultq
-½ qtestq	-½ qtest​q	-0.5000000000000000000 qresultq
1½ qtestq	1½ qtest​q	1.5000000000000000000 qresultq
-1½ qtestq	-1½ qtest​q	-1.5000000000000000000 qresultq
1 1/2 qtestq	1 1/2 qtest​q	1.5000000000000000000 qresultq
one qtestq	one qtest​q	1 qresultq
thirteen qtestq	thirteen qtest​q	13 qresultq
forty five qtestq	forty five qtest​q	45 qresultq
123,456.78910 qtestq	123,456.78910 qtest​q (Thousands & decimal test)	123,456.7891 qresultq
one third of a million qtestq	one third of a million qtest​q	333,333.3333333333 qresultq
one hundred and one and a half million qtestq	one hundred and one and a half million qtest​q	101,500,000 qresultq
eight sevenths of a million qtestq	eight sevenths of a million qtest​q (test improper fraction)	1,142,857.1428571427 qresultq

Test Informational Units.

Units are are converted for information only. The popup is inserted, but the actual values are not changed.

Test Value	Original Test Value	Target Value	Result
Concorde flew at Mach 2.04 over water.	Concorde flew at M​ach 2.04 over water.	Concorde flew at M​ach 2.04 over water.
Neptune is 30.1 AU from the sun.	Neptune is 30.1 A​U from the sun.	Neptune is 30.1 A​U from the sun.
The server occupied 5 RU.	The server occupied 5 R​U.	The server occupied 5 R​U.
The speed limit was 8 knots.	The speed limit was 8 k​nots.	The speed limit was 8 k​nots.
The speed limit was 8 kn.	The speed limit was 8 k​n.	The speed limit was 8 k​n.

Informational Units / Cooking.

Teaspoons and tablespoons, etc.

Test Value	Original Test Value	Target Value	Result
1 teaspoon.	1 t​easpoon.	1 t​easpoon.
8 tsp.	8 t​sp.	8 t​sp.
9 tspn.	9 t​spn.	9 t​spn.
2 tablespoon.	2 t​ablespoon.	2 t​ablespoon.
5 tbsp.	5 tb​sp.	5 tb​sp.
7 tbspn.	7 tb​spn.	7 tb​spn.
5 cups	5 c​ups	5 c​ups
1 cp	1 c​p	1 c​p
5 cps	5 c​ps	5 c​ps

Test Dynamic Content.

The following content is created dynamically via JavaScript when the page loaded.

Test Value	Original Test Value	Target Value	Result
	20 m​iles	32.2 kilometres