Page 332 - Valve Selection Handbook

Appendix D: International System of Units (SI) 307

Density (Mass/Volume)
3 3 3 3
kg/m lb/ft lb/in g/cm
1 0.062428 3.8046 x 10- 5 10- 3
16.0185 1 5.7870 x 10- 4 0.0160185
99.776 6.22884 3.6046 x 10- 3 0.099776
1000 62.4280 0.036127 1
1328.94 82.9630 0.048011 1.32894
27679.9 1728 1 27.6799
*1 g/cm 3 = 1 kg/dm 3 = 1 t/m 3 = 1.000028 g/ml or
1.00028 kg/liter (based on the 1901 definition of the liter)

Velocity

mm/s ft/min cm/s km/h »/• mile/h m/s km/s
* 3 6
1 0.19685 0.1 *3.6xlO- 3 3.281 x 10~ 3 2.237 x 10' 3 io- io-
* 5.08 * 1 * 0.508 0.018288 0.016667 0.01136 *5.08 x IO- 3 * 5.08 x 10~ 6
* 10 1.9685 * 1 * 0.036 0.032808 0.022369 * 0.01 * IO- 5
277.778 54.6806 27.7778 * 1 0.911344 0.621371 0.277778 2.778 x IO- 4
* 304.8 * 60 * 30.48 * 1.09728 1 0.681818 * 0.3048 *3.048 x IO- 4
* 447.04 * 88 *44.704 *1. 609344 1.46667 1 * 0.44704 *4.470 x IO- 4
* 1000 196.850 * 100 * 3.6 3.28084 2.23694 * 1 * io- 3
* IO 6 196850 *100000 * 3600 3280.84 2236.94 * IO 3 1
/ UK knot =1.853 km/h
1 international knot (Kn) = *1.852 km/h
Note: starred numbers are exact conversions