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Calculation Machine

CFM to CFH Calculator

Convert cubic feet per minute to cubic feet per hour.

Reviewed by James Whitfield · How we check our maths

Your values

ⓘ Live results

Results
Flow rate
3,000 CFH
Per day
72,000 cu ft/day
In CFM (check)
50

Quick answer

To convert CFM to CFH, multiply the CFM value by 60, since there are 60 minutes in an hour.

The formula

CFH = CFM x 60

Worked example

Worked example

Using the values the calculator loads with.

Inputs

  • Flow rate50 CFM

Result

  • Flow rate3,000 CFH
  • Per day72,000 cu ft/day
  • In CFM (check)50

How to use the CFM to CFH Calculator

  1. 1Enter the flow rate in cubic feet per minute.
  2. 2Multiply by 60 to convert to cubic feet per hour.
  3. 3Use CFH for gas utility billing or appliance input ratings, which are usually specified per hour.

Frequently asked questions

Where is CFH commonly used?

Natural gas and propane appliance ratings and utility meters are usually expressed in CFH, not CFM.

Is this the same for any gas?

Yes, it's a pure unit-time conversion independent of the gas type.

About this calculator