| Factor | Name | Symbol |
|---|---|---|
| 1024 | yotta | Y |
| 1021 | zetta | Z |
| 1018 | exa | E |
| 1015 | peta | P |
| 1012 | tera | T |
| 109 | giga | G |
| 106 | mega | M |
| 103 | kilo | k |
| 102 | hecto | h |
| 101 | deka | da |
| 10-1 | deci | d |
| 10-2 | centi | c |
| 10-3 | milli | m |
| 10-6 | micro | m |
| 10-9 | nano | n |
| 10-12 | pico | p |
| 10-15 | femto | f |
| 10-18 | femto | f |
| 10-21 | atto | a |
| 10-24 | yocto | y |
| Measure | Degrees | Minutes | Seconds | Radians | Revolutions |
|---|---|---|---|---|---|
| 1 degree = | 1 | 60 | 3600 | 1.745x10-3 | 2.778x10-3 |
| 1 minute = | 1.667x10-2 | 1 | 60 | 2.909x10-4 | 4.630x10-5 |
| 1 second = | 2.778x10-4 | 1.667x10-2 | 1 | 4.848x10-6 | 7.716x10-7 |
| 1 radian = | 57.30 | 3438 | 2.063x105 | 1 | 0.1592 |
| 1 revolution = | 360 | 2.16x104 | 1.296x106 | 6.283 | 1 |
| Measure | Centimeters | Meters | Kilometers | Inches | Feet | Miles |
|---|---|---|---|---|---|---|
| 1 centimeter = | 1 | 10-2 | 0-5 | 0.3937 | 3.821x10-2 | 6.214x10-6 |
| 1 meter = | 100 | 1 | 10-3 | 39.37 | 3.281 | 6.214x10-4 |
| 1 kilometer = | 105 | 1000 | 1 | 3.937x104 | 3281 | 0.6214 |
| 1 inch = | 2.540 | 2.540x10-2 | 12.540x10-5 | 1 | 8.333x10-2 | 1.578x10-5 |
| 1 foot = | 30.485 | 0.3048 | 3.048x104 | 12 | 1 | 1.894x10-4 |
| 1 statute mile = | 1.609x105 | 1609 | 1.609 | 6.336x104 | 5280 | 1 |
| Measure | m2 | cm2 | ft2 | in2 | circ mil |
|---|---|---|---|---|---|
| 1 square meter = | 1 | 10x4 | 10.76 | 1550 | 1.974x109 |
| 1 square centimeter = | 10-4 | 1 | 1.076x10-3 | 0.1550 | 1.974x105 |
| 1 square foot = | 9.290x10-2 | 929.0 | 1 | 144 | 1.833x108 |
| 1 square inch = | 6.452x10-4 | 6.452 | 6.944x10-3 | 1 | 1.273x106 |
| 1 circular mil = | 5.067x10-10 | 5.067x10-6 | 5.454x10-9 | 7.854x10-7 | 1 |
| Measure | m3 | cm3 | l (liter) | ft3 | in3 |
|---|---|---|---|---|---|
| 1 cubic meter = | 1 | 106 | 1000 | 35.31 | 6.102x104 |
| 1 cubic centimeter = | 10-6 | 1 | 1.000x10-3 | 3.531x10-5 | 6.102x10-2 |
| 1 liter = | 1.000x10-3 | 1000 | 1 | 3.531x10-2 | 61.02 |
| 1 cubic foot = | 2.832x10 | 2.832x104 | 28.32 | 1 | 1728 |
| 1 cubic inch = | 1.639x10 | 16.39 | 1.639x10-2 | 5.787x10-4 | 1 |
| Measure | g (grams) | kg | oz | lb | slug | ton |
|---|---|---|---|---|---|---|
| 1 gram = | 1 | 0.001 | 3.527x10-2 | 2.205x10 | 6.852x10-5 | 1.102x10-6 |
| 1 kilogram = | 1000 | 1 | 35.27 | 2.205 | 6.852x10-2 | 1.102x10-3 |
| 1 ounce = | 28.35 | 2.835x10-2 | 1 | 6.250x10-2 | 1.943x10-3 | 3.125x10-5 |
| 1 pound = | 435.6 | 0.4536 | 16 | 1 | 3.108x10-2 | 0.0005 |
| 1 slug = | 1.459x104 | 14.59 | 514.8 | 32.17 | 1 | 1.609x10-2 |
| 1 ton = | 9.072x105 | 907.2 | 3.2x104 | 2000 | 62.16 | 1 |
| Measure | year | day | hr | min | sec |
|---|---|---|---|---|---|
| 1 year = | 1 | 365.2 | 8.766x103 | 5.259x105 | 3.156x107 |
| 1 day = | 2.738x10-2 | 1 | 24 | 1440 | 8.640x104 |
| 1 hour = | 1.141x10-4 | 4.167x10-2 | 1 | 60 | 3600 |
| 1 minute = | 1.901x10-6 | 6.944x10-4 | 1.667x10-2 | 1 | 60 |
| 1 second = | 3.169x10-8 | 1.157x10-5 | 2.778x10-4 | 1.667x10-2 | 1 |
| Measure | slugs/ft3 | lb/ft3 | lb/in3 | kg/m3 | g/cm3 |
|---|---|---|---|---|---|
| 1 slug per ft2 = | 1 | 32.17 | 1.862x10-2 | 515.4 | 0.5154 |
| 1 pound per ft2 = | 3.018x10-2 | 1 | 5.787x10-4 | 16.02 | 16.02x10-2 |
| 1 pound per in2 = | 53.71 | 1728 | 1 | 2.768x104 | 27.68 |
| 1 kilogram per m2 = | 1.940x10-3 | 6.243x10-2 | 3.163x10-5 | 1 | 0.001 |
| 1 kilogram per cm2 = | 1.940 | 62.43 | 3.163x10-2 | 1000 | 1 |
| Measure | ft/sec | km/hr | m/sec | mi/hr | knot |
|---|---|---|---|---|---|
| 1 foot per second = | 1 | 1.097 | 0.3048 | 0.6818 | 0.5925 |
| 1 kilometer per hour = | 0.9113 | 1 | 0.2778 | 0.6214 | 0.5400 |
| 1 meter per second = | 3.281 | 3.6 | 1 | 2.237 | 1.944 |
| 1 mile per hour = | 1.467 | 1.609 | 0.4470 | 1 | 0.8689 |
| 1 knot = | 1.688 | 1.852 | 0.5144 | 1.151 | 1 |
| Measure | dyne | gf | kgf | nt | lb | pdl |
|---|---|---|---|---|---|---|
| 1 dyne = | 1 | 1.020x10-3 | 1.020x10-6 | 10-5 | 2.248x10-6 | 7.233x10-5 |
| 1 gram-force = | 980.7 | 1 | 0.001 | 9.807x10-3 | 2.205x10-3 | 7.093x10-2 |
| 1 kilogram-force = | 9.807x105 | 1000 | 1 | 9.807 | 2.2.205 | 70.93 |
| 1 newton = | 105 | 102.0 | 0.1020 | 1 | 0.2248 | 7.233 |
| 1 pound = | 4.448x105 | 453.6 | 0.4536 | 4.448 | 1 | 32.17 |
| 1 poundal = | 1.383x104 | 14.10 | 1.410x10-2 | 0.1383 | 3.108x10-2 | 1 |
| Measure | atm | dyne/cm2 | inches of water | cm Hg | kgf/m2 | nt/m2 | lb/in2 | lb/ft2 |
|---|---|---|---|---|---|---|---|---|
| 1 atmosphere = | 1 | 1.013x106 | 406.8 | 76 | 1.033x105 | 1.013x105 | 14.70 | 2116 |
| 1 dyne per cm2 = | 9.869x10-7 | 1 | 4.015x10-4 | 7.501x10-5 | 1.020x102 | 0.1 | 1450x10-5 | 2.089x10-3 |
| 1 inch of water at 4o C = | 2.458x10-3 | 2491 | 1 | 0.1868 | 25.40 | 249.1 | 3.613x10-2 | 5.202 |
| 1 cm Hg at 0o C = | 1.316x10-2 | 1.333x104 | 5.353 | 1 | 136.0 | 1333 | 0.1934 | 27.85 |
| 1 kilogram-force per m2 = | 9.678x10-5 | 98.07 | 3.937x10-2 | 7.356x10-3 | 1 | 9.807 | 1.422x10-3 | 0.2848 |
| 1 newton per m2 = | 9.869x10-6 | 10 | 4.015x10-3 | 7.501x10-4 | 0.1020 | 1 | 1.450x10-4 | 2.089x10-2 |
| 1 pound per in2 = | 6.085x10-2 | 6.895x104 | 27.68 | 5.171 | 703.1 | 6.895x103 | 1 | 144 |
| 1 pound per ft2 = | 4.725x10-4 | 478.8 | 0.1922 | 3.591x10-2 | 4.4882 | 47.88 | 6.944x10-3 | 1 |