Knowing the density of common materials can be useful in a variety of jobs...
estimating the weight of an object
finding the volume needed to contain a given weight of a material
making your own scale weights
verifying the accuracy of mathematical equations
For an example of the last one above, see...
http://www.homemadetools.net/forum/s...-ungulas-27633
Code:oz/in3 = (2.54 cm/in)^3 * (2.20462E-3 lb/gm) * (16 oz/lb) * gm/cc oz/in3 = 0.578035985 * gm/cc oz/in3 = 0.578036 * gm/cc 1 oz = 28.35 gm gm/in3 = 16.38706 * gm/cc oz/cc = 0.035274 * gm/cc Hg = 13.5462 gm/cc @ 20 degC lb/in3 = 0.036127 * gm/cc Water = 62.428 lb/ft3 ------------------------------------------------------------------------------ Material gm/cc oz/in3 lb/in3 Linear Expansion (uin/in/degF) Gold 19.296 11.154 0.697 7.9 Mercury 13.547 7.830 0.4894 Lead 11.299 6.531 0.4082 16.2 Silver 10.5 6.069 0.379 10.6 Bronze 8.844 5.112 0.3195 9.86 Copper 8.813 5.094 0.3184 9.4 Brass 80% Cu - 20% Zn 8.595 4.968 0.3105 9.57 70% Cu - 30% Zn 8.393 4.851 0.3032 9.57 60% Cu - 40% Zn 8.354 4.829 0.3018 9.57 50% Cu - 50% Zn 8.193 4.736 0.2960 9.57 Steel 7.795 4.506 0.2816 6.36 Cast Iron 7.197 4.16 0.26 5.56 Aluminum 2.558 1.478 0.0924 12.34 Gunmetal 8.84 5.11 0.3194 10.1 White Metal 7.31 4.23 0.2641 Zinc 7.06 4.081 0.2551 16.2 Oak (transverse) 3.0 Oak (longitudinal) 2.7 German Silver 10.2 Glass 4.8 Stainless Steel 5.9 Nickel 7.1 Phospher Bronze 9.3 Sea Water 1.025 0.592 0.037 Water 1.000 0.578 0.0361 Ice 0.9195 Gasoline 0.675 0.390 0.024 Brick 1.8 1.040 0.065 Concrete 2.1 0.079 0.076 Earth 1.6 0.925 0.058 Granite 2.7 1.561 0.098 Dry Sand 1.65 0.954 0.060 Ivory 1.874 1.083 0.068
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