| Customary |
Metric |
| Inches (in) |
x |
25.4 = millimeters |
| Feet (ft) |
x |
.3 = meter |
| Yards (yd) |
x |
.9 = meter |
| Miles (mi) |
x |
1.6 = kilometers |
| Square inches (in²) |
x |
6.5 = sq centimeters |
| Square feet (ft²) |
x |
.1 = sq meter |
| Square yards (yd²) |
x |
.8 = sq meter |
| Acres |
x |
.4 = hectare |
| Cubic feet (ft³) |
x |
.03 = cu meter |
| Cord (cd) |
x |
3.6 = cu meter |
| Quarts (lq)(qt) |
x |
.9 = liter |
| Gallons (gal) |
x |
.004 = cu meters |
| Ounces (avdp) (oz) |
x |
28.4 = grams |
| Pounds (avdp) (lb) |
x |
.5 = kilogram |
| Horsepower (hp) |
x |
.7 = kilowatt |
Degrees
Fahrenheit
(-32) |
x |
5/9 = degrees Celsius |
|
| |
| Metric |
Customary |
| Millimeters (mm) |
x |
.04 = inch |
| Meters (m) |
x |
3.3 = feet |
| Meters (m) |
x |
1.1 = yards |
| Kilometers (km) |
x |
.6 = mile |
| Sq centimeters (cm²) |
x |
.2 = sq inch |
| Square meters (m²) |
x |
10.8 = sq feet |
| Square meters (m²) |
x |
1.2 = sq yards |
| Hectares (ha) |
x |
2.5 = acres |
| Cu meters (m³) |
x |
35.3 = cu feet |
| Liters (l) |
x |
1.1 = quarts (lq) |
| Cu meters (m³) |
x |
284.2 = gallons |
| Grams (g) |
x |
.04 = ounce (avdp) |
| Kilograms (kg) |
x |
2.2 = pounds (avdp) |
| Kilowatts (kW) |
x |
1.3 = horsepower |
| Degrees Celsius |
x |
9/5 + 32 = degrees Fahrenheit |
|
| |
| UNITS OF LENGTH AND AREA |
| Customary |
Metric |
| Inch (in) |
= |
25.4 millimeters |
| Foot (ft) |
= |
12 in = .305 meter |
| Yard (yd) |
= |
36 in or 3 ft = .914 meter |
| Mile (mi) |
= |
5,280 ft = 1.609 kilometers |
| In² (sq in |
= |
6.452 cm² |
| Ft² (sq ft) |
= |
144 sq in = .093 m² |
| Yd² (sq yd) |
= |
1,296 sq in = .836 m²
or 9 sq ft |
| Acre |
= |
43,560 sq ft = .405 ha |
| Mile² (sq mi) |
= |
640 acres = 2.59 km² |
|
| |
| UNITS OF LENGTH AND AREA |
| Metric |
Customary |
| Millimeter (mm) |
= |
.001 meter = .039 inch |
| Centimeter (cm) |
= |
.01 meter = .394 inch |
| Decimeter (dm) |
= |
.1 meter = 3.937 inches |
| Meter (m) |
= |
3.281 feet |
| Kilometer (km) |
= |
1,000 meters = .621 mile |
| Sq millimeter (mm²) |
= |
.000001 m² = .002 sq in |
| Sq centimeter (cm²) |
= |
.0001 m² = .155 sq in |
| Sq decimeter (dm²) |
= |
.01 m² = 15.5 sq in |
| Sq meter (m²) |
= |
10.764 sq ft |
| Hectare (ha) |
= |
10,000 m² = 2.471 acres |
| Sq kilometer (km²) |
= |
1,000,000 m² = .386 sq mi |
|
| |
| UNITS OF WEIGHT( or MASS) |
| Customary |
Metric |
| Grain |
= |
Avoirdupois¹ = .065 gram |
| Ounce (oz avdp) |
= |
437.5 grains = 28.350 grams or 16 drams |
| Pound (lb avdp) |
= |
7,000 grains = .454 kilogram or 16 ounces |
| Hundredweight (cwt) |
= |
100 pounds = 45.359 kg |
| Ton, short (tn) |
= |
2,000 pounds = .907 metric ton |
| Ton, long |
= |
2,240 pounds = 1.016 metric tons |
| Ounce (oz troy)³ |
= |
Troy² 480 grains = 31.104 grams |
| Pound (lb troy) |
= |
5,760 grains = .373 kilogram
or 12 ounces |
¹For weighing ordinary commodities.
²For weighing precious metals, jewels, etc.
³Also known as fine ounces. |
|
| |
| Metric |
Customary |
| Gram (g) |
= |
035 oz avdp or .032 oz troy |
| Dekagram (dag) |
= |
10 g = .353 oz avdp or .322 oz troy |
| Hectogram (hg) |
= |
10 g = 3.527 oz avdp or 3.215 oz troy |
| Kilogram (kg) |
= |
1,000 g = 2.205 lb avdp or 2.679 lb troy |
| Metric ton |
= |
1,000 kg = 1.102 short tons or .984 long ton |
|
| |
| UNITS OF CAPACITY |
| Customary |
Metric |
| Liquid |
| Fluid ounce (fl oz) |
= |
29.573 ml |
| Pint ( pt ) |
= |
16 fl oz = .473 liter |
| Quart ( qt ) |
= |
32 fl oz or 2 pt = .946 liter |
| Gallon ( gal ) |
= |
8 pt or 4 qt = 3.785 liters |
| Dry |
| Metric |
Customary |
| Pint ( pt ) |
= |
.551 dm³ |
| Quart ( qt ) |
= |
2 pints = 1.101 dm³ |
| Peck ( pk ) |
= |
8 quarts = 8.810 dm³ |
| Bushel ( bu ) |
= |
32 quarts = 35.238 dm³ |
| |
| Metric |
Customary |
| Milliliter ( ml ) = .001 liter |
= |
.034 fl oz (liquid) = .002 pt (dry ) |
| Liter ( l ) |
= |
1.057 qt (liquid) = .908 qt ( dry ) |
| Hectoliter ( hl ) = 100 liters |
= |
26.418 gal (liquid) = 2.838 qt ( dry ) |
|
| |
