Metric and U.S. Conversion

Metric and U.S. Conversion

Length

U.S.

Weight

Metric

U.S.

1 inch (in.) 5 2.54 cm

1 foot (ft) 5 30.5 cm

1 yard (yd) 5 91.4 cm

1 mile (mi) 5 1610 m

1 mi 5 1.61 km

0.0394 in. 5 1 mm

0.394 in. 5 1 cm

??39.4 in. 5 1 m

3.28 ft 5 1 m

1.09 yd 5 1 m

0.621 mi 5 1 km

Capacity

Metric

U.S.

1 ounce (oz) 5 28.3 g

1 pound (lb) 5 454 g

1 lb 5 0.454 kg

0.0353 oz 5 1 g

0.00220 lb 5 1 g

2.20 lb 5 1 kg

Metric

1 gallon (gal) 5 3.79 L

1 quart (qt) 5 0.946 L

0.264 gal 5 1 L

1.06 qt 5 1 L

1 metric ton 5 1000 kg

Area

U.S.

U.S.

Metric

Metric

U.S.

1 ft2 5 144 in2

1 yd2 5 9 ft2

1 rd2 5 30.25 yd2

1 acre 5 160 rd2

5 4840 yd2



5 43,560 ft2



2

1 mi 5 640 acres

5 1 section



1 in2 5 6.45 cm2

1 m2 5 10.76 ft2

2

5 645 mm

5 1550 in2

2

2

1 ft 5 929 cm

5 0.0395 rd2

5 0.0929 m2



5 1.196 yd2

1 yd2 5 8361 cm2

1 cm2 5 0.155 in2

5 0.8361 m2



1 km2 5 247 acres

2

2

1 rd 5 25.3 m

5 1.08 3 107 ft2

1 acre 5 4047 m2

5 0.386 mi2

5 0.004047 km2



1 ha 5 2.47 acres

5 0.4047 ha

Metric 

1 mi2 5 2.59 km2

1 m2 5 10,000 cm2 or 104 cm2

5 1,000,000 mm2 or 106 mm2



2

1 cm 5 100 mm2

5 0.0001 m2



1 km2 5 1,000,000 m2

1 hectare (ha) 5 10,000 m2

5 1 hm2



Volume

U.S.

U.S.

1 ft 5 1728 in

1 yd3 5 27 ft3

3

Metric

Metric

1 in 5 16.39 cm

1 ft3 5 28,317 cm3

5 0.028317 m3



1 yd3 5 0.7646 m3

3

3

Metric

1 m3 5 106 cm3

1 cm3 5 1026 m3

5 103 mm3

3

1 cm 5 1 mL

U.S.

1 cm 5 0.06102 in3

1 m3 5 35.3 ft3

5 1.31 yd3



3

3

Temperature

5

9

C 5 }}(F 2 32¡ã)????F 5 }}C 1 32¡ã

9

5

Perimeter

Area

Volume

Rectangle

P 5 2(b 1 h)

A 5 bh

Prism

Square

P 5 4b

A5b

Cylinder 

V 5 pr 2h

Parallelogram

P 5 2(a 1 b)

A 5 bh

Pyramid

V 5 }3}Bh

Rhombus

P 5 4b

A 5 bh

Cone

V 5 }3} pr 2h

2

(a 1 b)h

2

1

}}bh

2

Trapezoid

P5a1b1c1d

A5

Triangle

P5a1b1c

A5

Circle

C 5 2pr or??C 5 pd

A 5 pr 2

Sphere

Lateral

Surface Area

V 5 Bh

A 5 2prh

1

1

V5

4

}}

3

pr 3

A 5 prs

A 5 4pr 2

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