# Resources

Technical Data
Conversion Factors
Length
• 1 in = 25.4 mm = 2.54 cm = .0254 m
• 1 ft = 12 in = 30.48 cm = .304 m
• 1 yd = 3 ft = 36 in = .9144 m
• 1 mile = 1,760 yd = 1.6092 km
• 1 mm = .1 cm = .0394 in = .003281 ft
• 1 cm = 10 mm = .01 m = .3937 in = .03281 ft
• 1 m = 100 cm = 1000 mm = 39.365 in = 3.28 ft
• 1 km = 1000 m = 3280 ft = 0.6214 miles
Weight
• 1 oz = .0625 lb = 283.5 mg = 28.35 g = .0283 kg
• 1 lb = 16 oz = 4536 mg = 453.6 g = .4536 kg
• 1 short ton = 2,000 lb = 907.18 kg
• 1 long ton = 2,240 lb = 1,016 kg
• 1 mg = .1 cg = .001 kg = .0035 oz = .0002205 lb
• 1 g = 1,000 mg = .0353 oz = .00220 lb
• 1 kg = 1,000 g = 1,000,000 mg = 35.3 oz = 2.2046 lb
• 1 metric ton = 1000 kg = 2204.61 lb = .9842 long ton
Area
• 1 in2 = 6.4516 cm2 = 0.0069444 ft2
• 1 ft2 = 144 in2 = 929.03 cm2 = .0929 m2
• 1 yd2 = 1296 in2 = 9 ft2 = 0.8361274 m2
• 1 mile2 = 3,097,600 yd2 = 2,589,988.1 m2 = 2.589 km2
• 1 cm2 = .0001 m2 = 0.155 in2
• 1 m2= 10,000 cm2 = 1,550 in2 = 10.764 ft2
• 1 km2= 1,000,000 m2 = 1,195,990 yd2 = .3861 mile2
Fluid Volume
• 1 fl oz = .0296 l = .125 cup = .0625 fl pt = .03125 fl qt = .007813 gal
• 1 l = 33.81 fl oz = 4.227 cup = 2.113 fl pt = 1.057 fl qt = .264 gal
• 1 cup = 8 fl oz = .2366 l = .5 fl pt = .25 fl qt = .0625 gal
• 1 fl pt = 16 fl oz = .4732 l = 2 cup = .5 fl qt = 0.125 gal
• 1 fl qt = 32 fl oz = .9462 l = 4 cup = 2 fl pt = .25 gal
• 1 gal = 128 fl oz = 3.785 l = 16 cup = 8 fl pt = 4 fl qt
Force & Pressure
• 1 lb force = 4.448 Newton
• 24 psi = 1.633 atm = 6.9 kpa = 1.65 bar = 1,241 mm of merc.
Power
• 1 ft*lb/s = 1.35 W
• 1 hp = 746 W