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Standard Conversion Factors
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To use this chart: |
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From X Multiplier
= Into |
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Into X Reciprocal
= From |
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| From |
Into |
Multiplier |
Reciprocal |
| Inches |
Millimeters |
25.4 |
0.0394 |
| Length |
|
|
|
| 1/8ths of inches |
Millimeters |
3.175 |
0.315 |
| 1/16ths of inches |
Millimeters |
1.587 |
0.63 |
| Inches |
Meters |
0.0254 |
39.37 |
| Feet |
Meters |
0.3048 |
3.281 |
| Yards |
Meters |
0.914 |
1.094 |
| Miles |
Kilometers |
1.609 |
0.621 |
| Sea Miles |
Meters |
1852 |
0.000539 |
| Miles |
Meters |
1609.3 |
0.000621 |
| Area |
|
|
|
| Square inches |
Square centimeters |
6.4516 |
0.155 |
| Square feet |
Square meters |
0.0929 |
10.764 |
| Volume |
|
|
|
| Cubic inches |
Cubic centermeters |
16.387 |
0.061 |
| Cubic inches |
Liters |
0.016 |
62.5 |
| Cubic feet |
Cubic meters |
0.028 |
35.315 |
| Cubic yards |
Cubic meters |
0.765 |
1.308 |
| Imperial gallons |
Liters |
4.546 |
0.22 |
| USA gallons |
Liters |
3.785 |
0.264 |
| Imperial gallons |
USA gallons |
1.205 |
0.83 |
| Weight |
|
|
|
| Grams |
Ounces |
0.035 |
28.35 |
| Pounds (lbs.) |
Kilograms |
0.454 |
2.205 |
| Hundredweights (cwt) |
Kilograms |
50.802 |
0.02 |
| Tons |
French tonnes |
1.016 |
0.984 |
| Density |
|
|
|
| Pounds per cubic foot |
Kilograms per cubic meter |
16.019 |
0.0624 |
| Speed |
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| Kilometers per hour |
Meters per second |
0.278 |
3.6 |
| Meters per second |
Knots |
1.943 |
-- |
| Feet per second |
Meters per second |
0.305 |
3.281 |
| Feet per second |
Miles per hour |
0.682 |
1.467 |
| Feet per minute |
Kilometers per hour |
0.018 |
54.68 |
| Miles per hour |
Meters per second |
0.447 |
2.237 |
| Miles per hour |
Kilometers per hour |
1.609 |
0.621 |
| Knots |
Miles per hour |
1.151 |
-- |
| Horsepower (hp) |
kilowatts (kW) |
0.746 |
1.341 |
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