General Conversion Factors
Multiply |
By |
To Obtain |
| Atmospheres | 33.9 | Feet of water |
| Atmospheres | 29.92 | Inches of mercury |
| Atmospheres | 103.3 | Kilograms/sq. m. |
| Atmospheres | 14.7 | Pounds/sq. in. |
| Atmospheres | 760 | mm of mercury |
| Bars | 9.869 x 10⁻¹ | Atmospheres |
| Bars | 1.0 x 10⁶ | Dynes/sq. cm. |
| Bars | 1.020 x 10⁴ | Kgs./sq. meter |
| Bars | 14.5 | Pounds/sq. in. |
| British Thermal Units | 777.5 | Foot-pounds |
| British Thermal Units | 1054.6 | Joules |
| British Thermal Units | 0.252 | Kg. -calories |
| British Thermal Units | 2.928 x 10⁻⁴ | K.W. -hours |
| B.T.U./hr. | 0.252 | Kg. cal/Hr. |
| B.T.U./hr./sq. ft. | 2.712 | Kg.-cal/hr./sq. m. |
| B.T.U./hr./sq. ft./deg F. | 4.882 | Kg.-cal/hr./sq.m./deg. C. |
| B.T.U./sq. ft. | 2.712 | Kg.cal./sq.m. |
| B.T.U./sq. ft./in. | 6.892 | Kg.cal/sq.m./cm. |
| Celsius | (oC x 1.8) + 32 | Fahrenheit |
| Centimeters | 0.0328 | Feet |
| Centimeters | 0.3937 | Inches |
| Centimeters | 0.01 | Meters |
| Centimeters | 1. x 10⁴ | Microns |
| Centimeters/sec | 0.03281 | Feet/sec |
| Centipoises | 0.000672 | Lbs./ft.-sec. |
| Cubic centimeters | 3.531 x 10⁻⁹ | Cubic feet |
| Cubic centimeters | 6.102 x 10⁻² | Cubic inches |
| Cubic centimeters | 1.0 x 10⁻³ | Liters |
| Cubic feet | 1728 | Cubic inches |
| Cubic feet | 0.03704 | Cubic yards |
| Cubic feet | 7.481 | Gallons |
| Cubic feet | 28.32 | Liters |
| Cubic feet/second | 26915 | Gallons/hour |
| Cubic inches | 1.639 x 10⁻⁵ | Cubic meters |
| Cubic inches | 4.329 x 10⁻³ | Gallons |
| Cubic meters | 1.0 x 10⁶ | Cubic cm. |
| Cubic meters | 35.31 | Cubic feet |
| Cubic meters | 1.308 | Cubic yards |
| Degrees (angle) | 1.745 x 10⁻² | Radians |
| Dynes | 1.020 x 10⁻⁶ | Kilograms |
| Dynes | 2.248 x 10⁻⁶ | Pounds |
| Dynes/sq. cm. | 9.870 x 10⁻⁷ | Atmosphere |
| Dynes/sq. cm. | 1 x 10⁻⁶ | Bars |
| Dynes/sq. cm. | 0.0102 | Kgs./sq.meter |
| Dynes/sq. cm. | 2.089 x 10⁻³ | Pounds/sq. ft. |
| Dynes/sq. cm. | 1.450 x 10⁻⁵ | Pounds/sq. in. |
| Fahrenheit | 5/9 (oF -32) | Celsius |
| Feet | 30.48 | Centimeters |
| Feet | 3.048 x 10⁻⁴ | Kilometers |
| Feet | 0.3048 | Meters |
| Feet | 304.8 | Millimeters |
| Feet/minute | 0.01667 | Feet/second |
| Foot-pounds | 1.356 | Joules |
| Foot-pounds | 3.241 x 10⁻⁴ | Kg.-calories |
| Foot-pounds | 0.1383 | Kg.-meters |
| Gallons (U.S.) | 0.1337 | Cubic feet |
| Gallons (U.S.) | 231 | Cubic inches |
| Gallons (U.S.) | 3.785 x 10⁻³ | Cubic meters |
| Gallons (U.S.) | 3.785 | Liters |
| Gallons of water | 8.337 | Pounds of water |
| Gallons/hour | 3.71 x 10⁻⁵ | Cu.ft./sec. |
| Grams | 980.7 | Dynes |
| Grams | 2.205 x 10⁻³ | Pounds |
| Grams/cubic cm. | 0.03613 | Lbs./cu. in. |
| Grams/sq. cm. | 1.422 x 10⁻² | Lbs./sq. in. |
| Inches | 2.54 | Centimeters |
| Inches | 0.0254 | Meters |
| Inches | 25.4 | Millimeters |
| Inches of mercury | 0.03342 | Atmospheres |
| Inches of mercury | 3.453 x 10⁻² | Kgs./sq. cm. |
| Inches of mercury | 0.4912 | Lbs./sq. in. |
| Inches of water | 2.458 x 10⁻³ | Atmospheres |
| Inches of water | 0.07355 | Inches of mercury |
| Inches of water | 0.03613 | Lbs./sq. in. |
Multiply |
By |
To Obtain |
| Inches of water | 0.1869 | Cms. of mercury |
| Inches of water (at 4o C.) | 2.54 x 10⁻³ | Kgs./sq. in. |
| Inches-pounds/deg. | 0.66 | Kilogram-meters/rad. |
| Joules | 9.486 x 10⁻⁴ | B.T.U. |
| Joules | 0.7376 | Foot-pounds |
| Joules | 2.390 x 10⁻⁴ | Kg.-calories |
| Kilograms | 980665 | Dynes |
| Kilograms | 1.0 x 10³ | Grams |
| Kilograms | 2.205 | Pounds |
| Kilogram-calories | 3.968 | B.T.U. |
| Kilogram-calories | 3086 | Foot-pounds |
| Kilogram-calories | 4186 | Joules |
| Kilogram-meters | 7.233 | Foot-pounds |
| Kilograms/cu. meters | 3.613 x 10⁻⁵ | Pounds/cu. in. |
| Kilograms/sq.cm. | 9.80665 x 10⁵ | Dynes/sq. cm. |
| Kilograms/sq.cm. | 14.226 | Pounds/sq. in. |
| Kilograms/sq. meter | 9.678 x 10⁻⁵ | Atmospheres |
| Kilograms/sq. meters | 98.07 | Bars |
| Kilometers | 1.0 x 10⁵ | Centimeters |
| Kilometers | 3281 | Feet |
| Kilometers | 3.937 x 10⁴ | Inches |
| Kilonewtons/sq. meter | 0.145 | Pounds/sq. in. |
| Kilospascals | 0.145 | Pounds/sq. in. |
| Liters | 103 | Cubic centimeters |
| Liters | 0.0351 | Cubic feet |
| Liters | 0.2642 | Gallons (U.S.) |
| Mega pascals (mPa) | 145 | Pounds/sq. in. |
| Meters | 3.281 | Feet |
| Meters | 39.37 | Inches |
| Meters | 100 | Centimeters |
| Meters | 0.001 | Kilometers |
| Meters | 1000 | Millimeters |
| Meters/sec. | 3.281 | Feet/sec. |
| Microns | 3.94 x 10⁻⁵ | Inches |
| Micropecka | 1 | Slug |
| Millimeters | 0.1 | Centimeters |
| Millimeters | 0.003281 | Feet |
| Millimeters | 0.03937 | Inches |
| Millimeters | 1.0 x 10⁻⁶ | Kilometers |
| Millimeters | 0.001 | Meters |
| Newtons | 1.0 x 10⁶ | Dynes |
| Newtons | 0.2248 | Pounds |
| Newtons/mm | 5.71 | Pounds/inch |
| Newton-Meters | 8.8504 | Inch-pounds |
| Newtons/sq. meter | 1 | Pascals |
| Ounces | 28.35 | Grams |
| Ounces (fluid) | 0.02957 | Liters |
| Pounds | 444823 | Dynes |
| Pounds | 453.6 | Grams |
| Pounds | 0.4536 | Kilograms |
| Pounds of water | 0.01602 | Cubic feet |
| Pounds of water | 27.68 | Cubic inches |
| Pounds of water | 0.1198 | Gallons |
| Pounds/cu. foot | 0.01602 | Grams/cu. cm. |
| Pounds/cubic foot | 16.02 | Kgs./cu. meter |
| Pounds/cubic foot | 5.787 x 10⁴ | Pounds/ cu. in. |
| Pounds/cu. in. | 2.768 x 10⁴ | Kgs./cu. meter |
| Pounds/cu. in. | 1.728 x 10³ | Pounds/cu. ft. |
| Pounds/inch | 17.86 | Kilograms/meter |
| Pounds/inch | 178.6 | Grams/cm. |
| Pounds/square inch | 2.036 | Inches of mercury |
| Pounds/square inch | 51.7 | Mm of mercury |
| Pounds/square inch | 703.1 | Kgs./sq. meter |
| Radians | 57.3 | Degrees |
| Slugs | 3.217 x 10¹ | Pounds |
| Square centimeters | 0.155 | Square inches |
| Square feet | 929 | Square cms. |
| Square feet | 0.0929 | Square meters |
| Square inches | 645.2 | Square mms. |
| Square inches | 6.452 | Square cms. |
| Square meters | 1.55 x 10³ | Square inches |
| Square millimeters | 1.0 x 10⁻² | Square cms. |
| Square millimeters | 1.55 x 10⁻³ | Square inches |