B - Conversion Factors
| m | cm | km | |
| 1 metre | 1 | 102 | 10—3 |
| 1 centimetre | 10—2 | 1 | 10—5 |
| 1 kilometre | 103 | 105 | 1 |
| 1 inch | 2.540 x 10—2 | 2.540 | 2.540 x 10—5 |
| 1 foot | 0.3048 | 30.48 | 3.048 x 10—4 |
| 1 mile | 1609 | 1.609 x 104 | 1.609 |
| 1 angstrom | 10—10 | 8.333 x 10—2 | |
| 1 fermi | 10—15 | ||
| 1 light-year | 9.460 x 1012 | ||
| in. | ft. | mi. | |
| 1 metre | 39.37 | 3.281 | 6.214 x 10—4 |
| 1 centimetre | 0.3937 | 3.281 x 10—2 | 6.214 x 10—6 |
| 1 kilometre | 3.937 x 104 | 3.281 x 103 | 0.6214 |
| 1 inch | 1 | 8.333 x 10—2 | 1.578 x 10—5 |
| 1 foot | 12 | 1 | 1.894 x 10—4 |
| 1 mile | 6.336 x 104 | 5280 | 1 |
Table B1 Length
Area
Volume
| s | min | h | day | yr |
| 1 second 1 | 1.667 x 10—2 | 2.778 x 10—4 | 1.157 x 10—5 | 3.169 x 10—8 |
| 1 minute 60 | 1 | 1.667 x 102 | 6.944 x 10—4 | 1.901 x 10—6 |
| 1 hour 3600 | 60 | 1 | 4.167 x 10—2 | 1.141 x 10—4 |
| 1 day 8.640 x 104 | 1440 | 24 | 1 | 2.738 x 10—3 |
| 1 year 3.156 x 107 | 5.259 x 105 | 8.766 x 103 | 365.25 | 1 |
Table B2 Time
| m / s | cm / s | ft / s | mi / h | |
| 1 meter/second | 1 | 102 | 3.281 | 2.237 |
| 1 centimeter/second | 10—2 | 1 | 3.281 x 10—2 | 2.237 x 10—2 |
| 1 foot/second | 0.3048 | 30.48 | 1 | 0.6818 |
| 1 mile/hour | 0.4470 | 44.70 | 1.467 | 1 |
Table B3 Speed
Acceleration
| kg | g | slug | u | |
| 1 kilogram | 1 | 103 | 6.852 x 10—2 | 6.024 x 1026 |
| 1 gram | 10—3 | 1 | 6.852 x 10—5 | 6.024 x 1023 |
| 1 slug | 14.59 | 1.459 x 104 | 1 | 8.789 x 1027 |
| 1 atomic mass unit | 1.661 x 10—27 | 1.661 x 10—24 | 1.138 x 10—28 | 1 |
| 1 metric ton | 1000 |
Table B4 Mass
| N | dyne |
lb | |
| 1 newton | 1 | 105 | 0.2248 |
| 1 dyne | 10—5 | 1 | 2.248 x 10—6 |
| 1 pound | 4.448 | 4.448 x 105 | 1 |
Table B5 Force
| Pa | dyne / cm2 | atm | cmHg | lb/in.2 | |
| 1 pascal | 1 | 10 | 9.860 x 10—6 | 7.501 x 10—4 | 1.450 x 10—4 |
| 1 dyne/centimetre2 | 10—1 | 1 | 9.869 x 10—7 | 7.501 x 10—5 | 1.450 x 10—5 |
| 1 atmosphere | 1.013 x 105 | 1.013 x 106 | 1 | 76 | 14.70 |
| 1 centimetre mercury* | 1.333 x 103 | 1.333 x 104 | 1.316 x 10—2 | 1 | 0.1934 |
| 1 pound/inch2 | 6.895 x 103 | 6.895 x 104 | 6.805 x 10—2 | 5.171 | 1 |
| 1 bar | 105 | ||||
| 1 torr | 1 (mmHg) |
*Where the acceleration due to gravity is 9.80665 m/s2 and the temperature is
Table B6 Pressure
| J | erg |
ft. lb | |
| 1 joule | 1 | 107 | 0.7376 |
| 1 erg | 10—7 | 1 | 7.376 x 10—8 |
| 1 foot-pound | 1.356 | 1.356 x 107 |
1 |
| 1 electron-volt | 1.602 x 10—19 | 1.602 x 10—12 |
1.182 x 10—19 |
| 1 calorie | 4.186 | 4.186 x 107 | 3.088 |
| 1 British thermal unit | 1.055 x 103 | 1.055 x 1010 | 7.779 x 102 |
| 1 kilowatt-hour | 3.600 x 106 | ||
| eV | cal | Btu | |
| 1 joule | 6.242 x 1018 | 0.2389 | 9.481 x 10—4 |
| 1 erg | 6.242 x 1011 | 2.389 x 10—8 | 9.481 x 10—11 |
| 1 foot-pound | 8.464 x 1018 | 0.3239 | 1.285 x 10—3 |
| 1 electron-volt | 1 | 3.827 x 10—20 | 1.519 x 10—22 |
| 1 calorie | 2.613 x 1019 | 1 | 1 3.968 x 10—3 |
| 1 British thermal unit | 6.585 x 1021 | 2.520 x 102 | 1 |
Table B7 Work, Energy, Heat
Power
Angle
Candela Citations
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Introduction to Electricity, Magnetism, and Circuits by Daryl Janzen is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.
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