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LENGTH

in

inches

* 2.5

centimeters

cm

ft

feet

30

centimeters

cm

yd

yards

0.9

meters

m

mi

miles

1.6

kilometers

km

AREA

in ²

square inches

6.5

square centimeters

cm ²

ft ²

square feet

0.09

square meters

m ²

yd ²

square yards

0.8

square meters

m ²

mi ²

square miles

2.6

square kilometers

km ²

acres

0.4

hectares

ha

MASS (weight)

oz

ounces

28

grams

g

lb

pounds

0.45

kilograms

kg

short tons
(2000 lb)

0.9

tonnes

t

VOLUME

tsp

teaspoons

5

milliliters

ml

Tbsp

tablespoons

5

milliliters

ml

fl oz

fluid ounces

30

milliliters

ml

c

cups

0.24

liters

l

pt

pints

0.47

liters

l

qt

quarts

0.95

liters

l

gal

gallons

3.8

liters

l

ft³

cubic feet

0.03

cubic meters

m³

yd³

cubic yards

0.76

cubic meters

m³

TEMPERATURE (exact)

°F

Fahrenheit
temperature

5/9 (after subtracting 32)

Celsius
temperature

°C

*1 in = 2.54 (exactly). For other exact conversions and more detailed tables, see NBS Misc. Publ. 286, Units of Weights and Measures, Price $2.25, SD Catalog No. C13.10:286

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LENGTH

mm

millimeters

0.04

inches

in

cm

centimeters

0.4

inches

in

m

meters

3.3

feet

ft

m

meters

1.1

yards

yd

km

kilometers

0.6

miles

mi

AREA

cm ²

square centimeters

0.16

square inches

in ²

m ²

square meters

1.2

square yards

yd ²

km ²

square kilometers

.04

square miles

mi ²

ha

hectares

2.5

acres

MASS (weight)

g

grams

0.035

ounces

oz

kg

kilograms

2.2

pounds

lb

t

tonnes

1.1

short tons (2000 lb)

VOLUME

ml

milliliters

0.03

fluid ounces

fl oz

l

liters

2.1

pints

pt

l

liters

1.06

quarts

qt

l

liters

0.26

gallons

gal

m³

cubic meters

35

cubic feet

ft³

m³

cubic meters

1.3

cubic yards

yd³

TEMPERATURE (exact)

°C

Celsius
temperature

9/5 (then add 32)

Fahrenheit
temperature

°F