-Gallons Per Minute Conversions to AFA, MI, CFS

Online Water Calculator to Convert GPM (Gallons Per Minute) into AFA, MI or CFA

The free calculator on this page will convert gallons per minute (GPM) into the following volume/flow quantities:

CFS - cubic feet per second

CFM - cubic feet per minute

AFA - acre feet per annum

MI - miners inches (see the discussion on different MI standards)

The calculator is easy to use and should save you some time.

CFS Conversion Calculator

Formulas Used in the Calculator
1 gpm = 0.1114 MI (where 50 MI=1 CFS)
1 gpm = 0.0891 MI (where 40 MI=1 CFS)*
1 gpm = 0.0855 MI (where 38.4 MI=1 CFS)*
1 gpm = 0.1337 CFM
1 gpm = 0.002228 CFS
1 gpm = 1.612 AFA

* See the Miner's Inch page

DISCLAIMER: Use at your own risk, and doublecheck the math with your own calculator. You should also check with your hydrologist or water lawyer to make sure that the formulas are correct for your state. The calculator will work with Internet Explorer, Firefox and Netscape 6.0 (and higher). Results are rounded off.

How to use the calculator. (1) Enter the number of gallons per minute you wish to convert in the top of the form. DO NOT USE COMMAS. (2) Select MI, CFM, CFS or AFA. (3) Click "Calculate. The converted expression will appear in the last box (conversion). If you selected CFS, the converted figure is an expression in CFS. To recalculate with a different expression (for example, AFA instead of CFS), be sure to select AFA, and click the calculate button again so that the math will reset. If you don't understand this, experiment using 1 gpm. The results will match the formula above.

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Water Calculators
◦ Convert Gallons to Acre-Feet or CF (Acre Foot Formula)
◦ Calculate AFA to GPM, CFS and CFM
◦ Cubic Feet Per Section (CFS) Conversions (to gps, gpm, gpd, gpa, AFA, MI, CFA)
◦ Gallons Per Minute Conversions to AFA, MI, CFS
◦ Miners Inches Conversions to GPM, CFS or AFA
◦ A Look at Miners Inches
◦ Quck Conversions - Conversion Table

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