Standard Cubic Meters Per Minute Calculator
Convert actual CFM to standard cubic meters per minute (SCMM).
Enter your values
Enter the actual airflow in ACFM.
Enter the actual temperature in F.
Enter the actual pressure in psia.
Enter the standard temperature in F.
Enter the standard pressure in psia.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Standard flow
- 26.938 SCMM
- Actual flow
- 28.317 ACMM
- Correction factor
- 0.9513
Quick answer
Standard cubic meters per minute corrects actual flow for temperature and pressure so flows at different site conditions can be fairly compared.
SCMM = ACFM x 0.0283168 x (Pactual/Pstd) x (Tstd/Tactual)
At a glance
| What it does | Convert actual CFM to standard cubic meters per minute (SCMM). |
|---|---|
| Category | HVAC & Airflow |
| Inputs needed | Actual airflow, Actual temperature, Actual pressure, Standard temperature, Standard pressure |
| Main output | Standard flow |
| Formula | SCMM = ACFM x 0.0283168 x (Pactual/Pstd) x (Tstd/Tactual) |
| Cost | Free — no sign-up, no download |
How to use the Standard Cubic Meters Per Minute Calculator
- 1Enter the actual measured airflow in ACFM along with its temperature and pressure.
- 2Enter the reference standard temperature and pressure (commonly 68F/14.7 psia).
- 3The calculator applies the ideal gas correction and converts units to SCMM.
Inputs explained
- Actual airflow(ACFM)
- Enter the actual airflow in ACFM.
- Actual temperature(F)
- Enter the actual temperature in F.
- Actual pressure(psia)
- Enter the actual pressure in psia.
- Standard temperature(F)
- Enter the standard temperature in F.
- Standard pressure(psia)
- Enter the standard pressure in psia.
Worked example
Using the values the calculator loads with:
Inputs
- Actual airflow1000 ACFM
- Actual temperature95 F
- Actual pressure14.7 psia
- Standard temperature68 F
- Standard pressure14.7 psia
Results
- Standard flow26.938 SCMM
- Actual flow28.317 ACMM
- Correction factor0.9513
Frequently asked questions
Why not just use ACFM everywhere?
Actual flow varies with temperature and pressure at the measurement point, so standard conditions let you compare fairly across sites.
Is this the same idea as SCFM?
Yes — SCMM is simply the metric equivalent of standard cubic feet per minute (SCFM).
What do I need to enter into the Standard Cubic Meters Per Minute Calculator?
Just 5 values: actual airflow, actual temperature, actual pressure, standard temperature, standard pressure. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Standard Cubic Meters Per Minute Calculator work out the answer?
Standard cubic meters per minute corrects actual flow for temperature and pressure so flows at different site conditions can be fairly compared. It applies the formula SCMM = ACFM x 0.0283168 x (Pactual/Pstd) x (Tstd/Tactual) and shows the working so you can check each step by hand.
Is the Standard Cubic Meters Per Minute Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.