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Conversions between U.S. Units & Metric Units of Measurement Logo Picture
Conversions between U.S. Units & Metric Units of Measurement Logo Picture
Conversions between U.S. Units & Metric Units of Measurement Logo Picture
Conversions between U.S. Units & Metric Units of Measurement Logo Picture
Conversions between U.S. Units & Metric Units of Measurement Logo Picture
Conversions between U.S. Units & Metric Units of Measurement Logo Picture
Conversions between U.S. Units & Metric Units of Measurement Logo Picture
Conversions between U.S. Units & Metric Units of Measurement Logo Picture

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US Units to Metric Units Conversion
(Scroll down to the table below this one for conversions from metric units to U.S. units)

APPROXIMATE CONVERSIONS

FROM
STANDARD U.S. UNITS

TO
SI / METRIC UNITS

SYMBOL

WHEN YOU KNOW

MULTIPLY BY

TO FIND

SYMBOL

LENGTH

in

inches

25.4

millimeters

mm

ft

feet

0.305

meters

m

yd

yards

0.914

meters

m

mi

miles

1.61

kilometers

km

AREA

in2

square inches

645.2

square millimeters

mm2

ft2

square feet

0.093

square meters

m2

yd2

square yard

0.836

square meters

m2

ac

acres

0.405

hectares

ha

mi2

square miles

2.59

square kilometers

km2

VOLUME

fl oz

fluid ounces

29.57

milliliters

mL

gal

gallons

3.785

liters

L

ft3

cubic feet

0.028

cubic meters

m3

yd3

cubic yards

0.765

cubic meters

m3

MASS

oz

ounces

28.35

grams

g

lb

pounds

0.454

kilograms

kg

T

short tons (2000 lb)

0.907

megagrams (or "metric ton")

Mg (or "t")

Metric Units to US Units Conversion

APPROXIMATE CONVERSIONS

FROM
SI / METRIC UNITS

TO
STANDARD U.S. UNITS

SYMBOL

WHEN YOU KNOW

MULTIPLY BY

TO FIND

SYMBOL

LENGTH

mm

millimeters

0.039

inches

in

m

meters

3.28

feet

ft

m

meters

1.09

yards

yd

km

kilometers

0.621

miles

mi

AREA

mm2

millimeters

0.0016

square inches

in2

m2

square meters

10.764

square feet

ft2

m2

square meters

1.195

square yards

yd2

ha

hectares

2.47

acres

ac

km2

square kilometers

0.386

square miles

mi2

VOLUME

mL

milliliters

0.034

fluid ounces

fl oz

L

liters

0.264

gallons

gal

m3

cubic meters

35.314

cubic feet

ft3

m3

cubic meters

1.307

cubic yards

yd3

MASS

g

grams

0.035

ounces

oz

kg

kilograms

2.202

pounds

lb

Mg (or "t")

megagrams
(or "metric ton")

1.103

short tons (2000 lb)

T