Units and Conversions
| 1 kilometer (km) | = 1000 meters (m) = 3281 feet (ft) = 0.62 mile (mi) |
1 Newton (N) | = 1 kilogram meter per second per second = 105 dyne = 0.2248 lb |
| 1 mile (mi) | = 5280 feet (ft) = 1609 meters (m) = 1.61 kilometers (km) |
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| 1 nautical mile | = 1.15 statute mi = 1.85 km |
1 gram (g) | = 0.035 ounce = 0.002 lb |
| 1 centimeter (cm) | = 0.39 inch (in.) = 0.01 m = 10 millimeters (mm) |
1 kilogram | = 1000 g = 2.2 lb |
| 1 inch (in.) | = 2.54 cm = 0.08 ft |
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| 1 meter (m) | = 100 cm = 3.28 ft = 39.37 in |
1 erg | = 1 dyne cm = 2.388 x 10-8 cal |
| 1 feet (ft) | = 0.3048 m | 1 joule (J) | = 0.239 cal = 107 erg |
| 1 micrometer (m ) | = 0.0001 cm = 0.000001 m |
1 calorie (cal) | = 4.186 J = 4.186 x 107 erg |
| 1 degree latitude | = 111 km = 60 nautical mi = 69 statute mi |
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| 1 degree Celsius (°C) | = 5/9(°F - 32) | ||
| 1 square centimeter (cm2) | = 0.15 in.2 | 1 degree Kelvin (K) | = °C + 273 |
| 1 square inch (in.2) | = 6.45 cm2 | 1 degree Fahrenheit | = (°C x 1.8) + 32 |
| 1 square meter (m2) | = 10.76 ft2 | ||
| 1 square foot (ft2) | = 0.09 m2 | 1 millibar (mb) | = 1000 dynes cm-2 = 0.75 millimeter of mercury (mm Hg) = 0.02953 inch of mercury (in. Hg) = 0.01450 pound per square inch (lb in.-2) = 100 pascals (Pa) |
| 1 standard atmosphere | = 1013.25 mb = 760 mm Hg = 29.92 in. Hg = 14.7 lb in.-2 |
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| 1 cubic centimeter (cm3) | = 0.06 in.3 | 1 inch of mercury | = 33.865 mb |
| 1 cubic inch (in.3) | = 16.39 cm3 | 1 millimeter of mercury | = 1.3332 mb |
| 1 liter (l) | = 1000 cm3 = 0.264 gallon (gal) U.S. |
1 pascal | = 0.01 mb = 1 N m-2 |
| 1 knot | = 1 nautical m.p.h. (miles per hour) = 1.15 statue m.p.h. = 0.51 m s-1 = 1.85 km h-1 |
1 watt (W) | = 1 J s-1 = 14.3353 cal min-1 |
| 1 mile per hour (m.p.h.) | = 0.87 knot = 0.45 m s-1 = 1.61 km h-1 |
1 cal min-1 | = 0.06973 W |
| 1 kilometer per hour (km h-1) | = 0.54 knot = 0.62 m.p.h. = 0.28 m s-1 |
1 horse power | = 746 W |
| 1 meter per second (m s-1) | = 1.94 knots = 2.24 m.p.h. = 3.60 km h-1 |
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