Basic Arithmetic

[Divantie]

Hope this will help someone.

Arithmetic

Volume, cu ft = Length, ft x Width, ft x Height, ft.
1 cu ft = 7.48 gal
1,000 mL = 1 liter
3.785 L = 1 gal
231 cu in = 1 gal

Weight

1,000 mg = 1 gm
1,000 gm = 1kg
454 gm = 1lb
2.2 lbs = 1kg

Power

0.746kW =1 HP

Density

8.34 lbs = 1 gal
62.4 lbs = 1 cu ft

Dosage

17.1 mg/L = 1 grain/gal
64.7 mg = 1 grain

Pressure
2.31 ft water = 1 psi
0.433 psi = 1 ft water
1.133 ft water = 1 in Mercury

Flow
694 GPM = 1 MGD
1.55 CFS = 1 MGD