Length:

• 1m = 100 cm = 1000 mm

• 1km = 1000 m = 0.6214 statute miles

• 1m = 39.37 in; 1cm = 0.3937 in

• 1ft = 30.48 cm; 1in = 2.540 cm

• 1 statute mile = 5, 280 ft = 1.609 km

• 1 nautical mile (nm) = 1852 m = 1.852 km

• 1 (angstrom) = 1 10 ^?8 cm; 1 ? (micron) = 1 10 ^?4 cm

• 1 nanometer (nm) = 1 10 ^?9 m

Area:

• 1 cm ² =0.155 in ²;1m ² =104 cm ² =10.76 ft ²

• 1 in ² =6.452 cm ²; 1 ft ² =144 in ² =0.0929m ²

Volume:

• 1 liter=1000 cm ³ =10 ^?3 m ³ =0.0351 ft ³ =61 in ³

• 1 ft ³ =0.0283m ³ =28.32 liters; 1 in ³ =16.39 cm ³

Velocity:

• 1 cm/s = 0.03281 ft/s; 1 ft/s = 30.48 cm/s

• 1 statute mile/min = 88 ft/s = 60 statute miles/hr

Acceleration:

• 1 cm/s ² = 0.03281 ft/s ²=0.01 ^m/s2

• 30.48 cm/s ² = 1 ft/s ²=1 ^m/s2

• 100 cm/s ² =3.281 ft/s ² =1 m/s ²

Force:

• 1 dyne=1 gm cm/s ²; 1 newton (N)=1 kg m/s ²; 1 lb f=1 slug ft/s ²

• 1 dyne=2.247 10 ^?6 lb f=10 ^?5 N

• 1.383 10 ⁴ dynes=0.0311 lb f=0.1383N

• 4.45 10 ⁵ dynes=1 lb f=4.45N

• 105...