m | cm | km | |
---|---|---|---|
1 meter | 1 | 102 | 10−3 |
1 centimeter | 10−2 | 1 | 10−5 |
1 kilometer | 103 | 105 | 1 |
1 inch | [latex] 2.540\,×\,{10}^{-2} [/latex] | 2.540 | [latex] 2.540\,×\,{10}^{-5} [/latex] |
1 foot | 0.3048 | 30.48 | [latex] 3.048\,×\,{10}^{-4} [/latex] |
1 mile | 1609 | [latex] 1.609\,×\,{10}^{4} [/latex] | 1.609 |
1 angstrom | 10−10 | ||
1 fermi | 10−15 | ||
1 light-year | [latex] 9.460\,×\,{10}^{12} [/latex] | ||
in. | ft | mi | |
1 meter | 39.37 | 3.281 | [latex] 6.214\,×\,{10}^{-4} [/latex] |
1 centimeter | 0.3937 | [latex] 3.281\,×\,{10}^{-2} [/latex] | [latex] 6.214\,×\,{10}^{-6} [/latex] |
1 kilometer | [latex] 3.937\,×\,{10}^{4} [/latex] | [latex] 3.281\,×\,{10}^{3} [/latex] | 0.6214 |
1 inch | 1 | [latex] 8.333\,×\,{10}^{-2} [/latex] | [latex] 1.578\,×\,{10}^{-5} [/latex] |
1 foot | 12 | 1 | [latex] 1.894\,×\,{10}^{-4} [/latex] |
1 mile | [latex] 6.336\,×\,{10}^{4} [/latex] | 5280 | 1 |
Area
[latex] 1\,{\text{cm}}^{2}=0.155\,{\text{in.}}^{2} [/latex]
[latex] 1\,{\text{m}}^{2}={10}^{4}\,{\text{cm}}^{2}=10.76\,{\text{ft}}^{2} [/latex]
[latex] 1\,{\text{in.}}^{2}=6.452\,{\text{cm}}^{2} [/latex]
[latex] 1\,{\text{ft}}^{2}=144\,{\text{in.}}^{2}=0.0929\,{\text{m}}^{2} [/latex]
Volume
[latex] 1\,\text{liter}=1000\,{\text{cm}}^{3}={10}^{-3}\,{\text{m}}^{3}=0.03531\,{\text{ft}}^{3}=61.02\,{\text{in.}}^{3} [/latex]
[latex] 1\,{\text{ft}}^{3}=0.02832\,{\text{m}}^{3}=28.32\,\text{liters}=7.477\,\text{gallons} [/latex]
[latex] 1\,\text{gallon}=3.788\,\text{liters} [/latex]
s | min | h | day | yr | |
---|---|---|---|---|---|
1 second | 1 | [latex] 1.667\,×\,{10}^{-2} [/latex] | [latex] 2.778\,×\,{10}^{-4} [/latex] | [latex] 1.157\,×\,{10}^{-5} [/latex] | [latex] 3.169\,×\,{10}^{-8} [/latex] |
1 minute | 60 | 1 | [latex] 1.667\,×\,{10}^{-2} [/latex] | [latex] 6.944\,×\,{10}^{-4} [/latex] | [latex] 1.901\,×\,{10}^{-6} [/latex] |
1 hour | 3600 | 60 | 1 | [latex] 4.167\,×\,{10}^{-2} [/latex] | [latex] 1.141\,×\,{10}^{-4} [/latex] |
1 day | [latex] 8.640\,×\,{10}^{4} [/latex] | 1440 | 24 | 1 | [latex] 2.738\,×\,{10}^{-3} [/latex] |
1 year | [latex] 3.156\,×\,{10}^{7} [/latex] | [latex] 5.259\,×\,{10}^{5} [/latex] | [latex] 8.766\,×\,{10}^{3} [/latex] | 365.25 | 1 |
m/s | cm/s | ft/s | mi/h | |
---|---|---|---|---|
1 meter/second | 1 | 102 | 3.281 | 2.237 |
1 centimeter/second | 10−2 | 1 | [latex] 3.281\,×\,{10}^{-2} [/latex] | [latex] 2.237\,×\,{10}^{-2} [/latex] |
1 foot/second | 0.3048 | 30.48 | 1 | 0.6818 |
1 mile/hour | 0.4470 | 44.70 | 1.467 | 1 |
Acceleration
[latex] 1\,{\text{m/s}}^{2}=100\,{\text{cm/s}}^{2}=3.281\,{\text{ft/s}}^{2} [/latex]
[latex] 1\,{\text{cm/s}}^{2}=0.01\,{\text{m/s}}^{2}=0.03281\,{\text{ft/s}}^{2} [/latex]
[latex] 1\,{\text{ft/s}}^{2}=0.3048\,{\text{m/s}}^{2}=30.48\,{\text{cm/s}}^{2} [/latex]
[latex] 1\,\text{mi/h}·\text{s}=1.467\,{\text{ft/s}}^{2} [/latex]
kg | g | slug | u | |
---|---|---|---|---|
1 kilogram | 1 | 103 | [latex] 6.852\,×\,{10}^{-2} [/latex] | [latex] 6.024\,×\,{10}^{26} [/latex] |
1 gram | 10−3 | 1 | [latex] 6.852\,×\,{10}^{-5} [/latex] | [latex] 6.024\,×\,{10}^{23} [/latex] |
1 slug | 14.59 | [latex] 1.459\,×\,{10}^{4} [/latex] | 1 | [latex] 8.789\,×\,{10}^{27} [/latex] |
1 atomic mass unit | [latex] 1.661\,×\,{10}^{-27} [/latex] | [latex] 1.661\,×\,{10}^{-24} [/latex] | [latex] 1.138\,×\,{10}^{-28} [/latex] | 1 |
1 metric ton | 1000 |
N | dyne | lb | |
---|---|---|---|
[latex] 1 [/latex] newton | 1 | 105 | 0.2248 |
[latex] 1 [/latex] dyne | 10−5 | 1 | [latex] 2.248\,×\,{10}^{-6} [/latex] |
[latex] 1 [/latex] pound | 4.448 | [latex] 4.448\,×\,{10}^{5} [/latex] | 1 |
Pa | dyne/cm2 | atm | cmHg | lb/in.2 | |
---|---|---|---|---|---|
*Where the acceleration due to gravity is [latex] 9.80665\,{\text{m/s}}^{2} [/latex] and the temperature is [latex] 0\text{°}\text{C} [/latex] | |||||
1 pascal | 1 | 10 | [latex] 9.869\,×\,{10}^{-6} [/latex] | [latex] 7.501\,×\,{10}^{-4} [/latex] | [latex] 1.450\,×\,{10}^{-4} [/latex] |
1 dyne/centimeter2 | 10−1 | 1 | [latex] 9.869\,×\,{10}^{-7} [/latex] | [latex] 7.501\,×\,{10}^{-5} [/latex] | [latex] 1.450\,×\,{10}^{-5} [/latex] |
1 atmosphere | [latex] 1.013\,×\,{10}^{5} [/latex] | [latex] 1.013\,×\,{10}^{6} [/latex] | 1 | 76 | 14.70 |
1 centimeter mercury* | [latex] 1.333\,×\,{10}^{3} [/latex] | [latex] 1.333\,×\,{10}^{4} [/latex] | [latex] 1.316\,×\,{10}^{-2} [/latex] | 1 | 0.1934 |
1 pound/inch2 | [latex] 6.895\,×\,{10}^{3} [/latex] | [latex] 6.895\,×\,{10}^{4} [/latex] | [latex] 6.805\,×\,{10}^{-2} [/latex] | 5.171 | 1 |
1 bar | 105 | ||||
1 torr | 1 (mmHg) |
J | erg | ft.lb | |
---|---|---|---|
1 joule | 1 | 107 | 0.7376 |
1 erg | 10−7 | 1 | [latex] 7.376\,×\,{10}^{-8} [/latex] |
1 foot-pound | 1.356 | [latex] 1.356\,×\,{10}^{7} [/latex] | 1 |
1 electron-volt | [latex] 1.602\,×\,{10}^{-19} [/latex] | [latex] 1.602\,×\,{10}^{\text{-12}} [/latex] | [latex] 1.182\,×\,{10}^{-19} [/latex] |
1 calorie | 4.186 | [latex] 4.186\,×\,{10}^{7} [/latex] | 3.088 |
1 British thermal unit | [latex] 1.055\,×\,{10}^{3} [/latex] | [latex] 1.055\,×\,{10}^{10} [/latex] | [latex] 7.779\,×\,{10}^{2} [/latex] |
1 kilowatt-hour | [latex] 3.600\,×\,{10}^{6} [/latex] | ||
eV | cal | Btu | |
1 joule | [latex] 6.242\,×\,{10}^{18} [/latex] | 0.2389 | [latex] 9.481\,×\,{10}^{-4} [/latex] |
1 erg | [latex] 6.242\,×\,{10}^{11} [/latex] | [latex] 2.389\,×\,{10}^{-8} [/latex] | [latex] 9.481\,×\,{10}^{-11} [/latex] |
1 foot-pound | [latex] 8.464\,×\,{10}^{18} [/latex] | 0.3239 | [latex] 1.285\,×\,{10}^{-3} [/latex] |
1 electron-volt | 1 | [latex] 3.827\,×\,{10}^{-20} [/latex] | [latex] 1.519\,×\,{10}^{-22} [/latex] |
1 calorie | [latex] 2.613\,×\,{10}^{19} [/latex] | 1 | [latex] 3.968\,×\,{10}^{-3} [/latex] |
1 British thermal unit | [latex] 6.585\,×\,{10}^{21} [/latex] | [latex] 2.520\,×\,{10}^{2} [/latex] | 1 |
Power
[latex] 1\,\text{W}=1\,\text{J/s} [/latex]
[latex] 1\,\text{hp}=746\,\text{W}=550\,\text{ft}·\text{lb/s} [/latex]
[latex] 1\,\text{Btu/h}=0.293\,\text{W} [/latex]
Angle
[latex] 1\,\text{rad}=57.30\text{°}=180\text{°}\text{/}\text{π} [/latex]
[latex] 1\text{°}=0.01745\,\text{rad}=\text{π}\text{/}180\,\text{rad} [/latex]
[latex] 1\,\text{revolution}=360\text{°}=2\text{π}\,\text{rad} [/latex]
[latex] 1\,\text{rev/min}(\text{rpm})=0.1047\,\text{rad/s} [/latex]