Cubic meters per second to Cubic feet per minute Converter
Quick answer: To convert cubic meters per second to cubic feet per minute, multiply by 2,118.88. For example, 10 m³/s is 21,188.8 CFM. One cubic meter per second equals 2,118.88 CFM.
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Use the Cubic meters per second to Cubic feet per minute Converter
Cubic meters per second to Cubic feet per minute formula and what each symbol means
CFM = m³/s × 2,118.88
| Symbol | Meaning |
|---|---|
| m³/s | Cubic meter per second |
| CFM | Cubic foot per minute |
Cubic meters per second to Cubic feet per minute examples
1 m³/s
1 m³/s × 2,118.88 = 2,118.88 CFM.
10 m³/s
10 m³/s × 2,118.88 = 21,188.8 CFM.
100 m³/s
100 m³/s × 2,118.88 = 211,888 CFM.
Cubic meters per second compared with Cubic feet per minute
One m³/s is 2,119 times as large as one CFM, so your number gets bigger when you convert cubic meters per second to cubic feet per minute and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About cubic meters per second and cubic feet per minute
Cubic meter per second (m³/s): The SI unit of volumetric flow rate. Cubic foot per minute (CFM): Cubic feet per minute, about 4.719×10⁻⁴ m³/s.
How to calculate Cubic meters per second to Cubic feet per minute step by step
- Enter the value in m³/s (the starting unit).
- Multiply by 2,118.88, because 1 m³/s = 2,118.88 CFM.
- The product is the value in CFM. To go back, divide by 2,118.88 or multiply by 0.0004719474.
Popular flow (volumetric) conversions
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How to read your Cubic meters per second to Cubic feet per minute result
Quick estimate: multiply by about 2,100 to get cubic feet per minute from cubic meters per second; this is within 0.9% of the exact factor. Volumetric flow is volume per unit time.
| CUBIC METERS PER SECOND | CUBIC FEET PER MINUTE |
|---|---|
| 1 | 2,118.88 |
| 2 | 4,237.76 |
| 5 | 10,594.4 |
| 10 | 21,188.8 |
| 20 | 42,377.6 |
| 50 | 105,944 |
| 100 | 211,888 |
| 1,000 | 2,118,880 |
Cubic feet per minute to Cubic meters per second: quick table
| CUBIC FEET PER MINUTE | CUBIC METERS PER SECOND |
|---|---|
| 1 | 0.0004719474 |
| 5 | 0.002359737 |
| 10 | 0.004719474 |
| 25 | 0.01179869 |
| 50 | 0.02359737 |
| 100 | 0.04719474 |
| 250 | 0.1179869 |
| 500 | 0.2359737 |
Common mistakes when calculating Cubic meters per second to Cubic feet per minute
- Mixing US gallons with imperial gallons: the imperial gallon is about 20% bigger.
- Dividing when you should multiply: from m³/s to CFM multiply by 2,118.88; from CFM to m³/s divide by 2,118.88.
Cubic meters per second to Cubic feet per minute FAQ
How many CFM are in 1 m³/s?
1 m³/s equals 2,118.88 CFM.
How many m³/s are in 1 CFM?
1 CFM equals 0.0004719474 m³/s.
Is 1 m³/s = 2,118.88 CFM an exact conversion?
The factor is shown rounded to 7 significant figures (2,118.88). The calculator above uses more digits.
What is a cubic foot per minute (CFM)?
Cubic feet per minute, about 4.719×10⁻⁴ m³/s.
How can I estimate cubic meters per second to cubic feet per minute in my head?
Quick estimate: multiply by about 2,100 to get cubic feet per minute from cubic meters per second; this is within 0.9% of the exact factor.
What is 80 m³/s in cubic feet per minute?
80 m³/s = 169,510.4 CFM (since 80 × 2,118.88).
What is 500 m³/s in cubic feet per minute?
500 m³/s = 1,059,440 CFM (since 500 × 2,118.88).
What is 15 m³/s in cubic feet per minute?
15 m³/s = 31,783.2 CFM (since 15 × 2,118.88).
How many decimals should I keep when converting m³/s to CFM?
Match the precision of your original measurement. For example, 21,188.8 CFM rounds to 21,200 CFM at 3 significant figures; keep more digits only for engineering or scientific work.
More in Flow (Volumetric) converters
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the International System of Units (SI)