U. S. DEPARTMENT OF COMMERCE

National Bureau of Standards NBS Special Publicali< Washington, D C. 20234 Revised AuRust 1975 METRIC CONVERSION CARD

Approximate Conversions

to Metric Measures

Symbol When You Kno. Multiply bi To Find LENGTH

inches *2.5 centimeters cm

ft feet 30 centimeters cm

yd yards 0.9 meters m

mi miles 1.6 kilometers km AREA

in' square inches 6.5 square centimeters cm*

ft" square feet 0.09^ square meters m*

yd' square yards 0.8 square meters m*

mi* square miles 2.6 square kilometers km'

acres 0-4 hectares ha MASS 1 weight)

oz ounces 28 grams g

lb pounds 0.45 kilograms kg

short tons 0.9 metric ton t 12000 lb) VOLUME

tsp teaspoons 5 milliliters mi

Tbsp tablespoons 15 milliliters ml

floz fluid ounces 30 milliliters ml

c cups 0.24 liters 1 pt pints 0.47 liters 1 qt quarts 0.95 liters 1 8*1 gallons 3.8 liters 1 ft" cubic feet 0.03 cubic meters m'

yd- cubic yards 0.76 cubic meters m* TEMPERATURE (exact) Fahrenheit 5/9 ( after Celsius 'c

temperature subtracting temperature 32)

"I- T

' i'

' 0 1 40

tC

1 40 M ISO 200

J —i 1

r

1 r

•0 90

Approximate Conversions from Metric Measures

Symbol WWn You Know Multiply by To Find Symbol LENGTH

millimeters 0.04 inches in cm centimeters 0.4 inches in meters 3.3 feet ft m meters 1.1 yards yd km kilometers 0.6 miles mi AREA

cm' square centimeters 0.16 square inches in* m' square meters 1.2 square yards yd' km'

ha

square kilometers hectaresllOOOOm')

0.4

2.5

square miles

acres mi'

MASS ( weight

)

t

t

grams

kilograms

metric ton ( 1000 kg)

2.2

1.1

ounces pounds

short tons

oz

lb

VOLUME

ml milliliters 0.03 fluid ounces fl oz

1

1

1

liters

liters liters cubic meters

2.1 1.06 0.26 35

pints quarts

gallons cubic feet

P<

q«g»l

ft* m' cubic meters 1.3 cubic yards yd* TEMPERATURE (exact) 'C Celsius 9/5(then

temperature add 32

)

Fahrenheit temperature T

For sale by the Superintendent of Documents,

U.S. Government Printing Office, Washington. D.C. 20402. Price 25 cents domestic postpaid: add 14 additional for foreipn mailing. Stock Number 0303-0168. Catalog No. €13.10:

365/2.

•1 ID — 2.54 cm (eaaetly). For other exael convereiona and more detailed tablet, tee NBS Mite. Publ. 286, Unilt

of Veigbtt end Meiiurei. Price t:.25. SD Calalof No.

C13. 10:286.
U. S. DEPARTMENT OF COMMERCE

National Bureau of Standards NBS Specill Publication 36S Washington. D. C, 20234 Revised Aucust 1975 METRIC CONVERSION CARD

Approximate Converaiona

to Metric Meaaures

Symbol When You Know Multiply by To Find Symbol LENGTH

inches *2.5 centimeters cm

ft feet 30 centimeters cm

yd yards 0.9 meters m

mi miles 1.6 kilometers km AREA

in' square inches 6.5 square centimeters cm'

ft' square feet 0.09 square meters m'

yd' square yards 0.8 square meters m' in—

mi' square miles 2.6 square kilometers km'

acres 0.4 hectares ha MASS (weight) oz uunces 28 grams g

lb pounds 0.45 kilograms kg <tr

short tons 0.9 metric ton I (2000 lb) VOLUME

tap teaspoons 5 milliliters ml ro —

Tbsp tablespoons 15 milliliters ml

floz fluid ounces 30 milliliters ml

c cups 0.24 liters 1 Pt pints 0.47 liters 1 qt quarts 0.95 titers 1 CM —

g-i gallons 3.8 liters 1 ft* cubic feet 0.03 cubic meters m'

yd- cubic yards 0.76 cubic meters m' TEMFKKAI UKt; (exact) "F Fahrenheit 5/9 (after Celsius 'C

temperature subtracting temperature X —

32) £ —

32 M 6 c —

' '

1

ao

1

Approximate Conversions from Metric Measures

Symbol When You Know Multiply b; To Find Symbol LENGTH mm millimeters 0.04 inches in 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' square centimeters 0.16 square inches in' m' square meters 1.2 square yards yd' km' square kilometers 0.4 square miles mi' ha hectare3(10 000 m') 2.5 acres MASS (weight) g grams 0.035 ounces oz kg kilograms 2.2 pounds lb

t metric ton (1000 kg) 1.1 short tons VOLUME

ml milliliters 0.03 fluid ounces floz

1 liters 2.1 pints P«

1 liters 1.06 quarts qt

I liters 0.26 gallons cubic meters 35 cubic feet ft' m' cubic meters 1.3 cubic yards yd' TEMPERATURE (exact) "C Celsius 9/5 (then Fahrenheit °F

temperature add 32) temperature For sale by the Superintendent of Documents,

U.S. Government Printing Office. Washington. D.C. 20402. Price 25 cents domestic post- paid: add V4 additional for foreign mailing. Stock Number 0303-0168. Catalog No. C13.10:

365/2.

*I in = 2. 54 em (eiaetly). For other exact eooversioDS and more detailed tables, see NBS Mite. Publ. 286. Units

of Weights and Measures. Price S2.2S. SD Calaloi No.

013.10:286.