To convert cubic feet per minute to liters per second, multiply by 0.4719474432.
The calculation uses 1 CFM = 0.4719474432 L/s. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
CFM- Input unit: cubic feet per minute
L/s- Output unit: liters per second
How to use this calculator
- Enter a value in CFM.
- Multiply by the stored conversion factor.
- Read the result in L/s; divide by the same factor to convert back.
Worked examples
Worked conversion
1 CFM × 0.4719474432 ≈ 0.4719474432 L/s.
Reverse conversion
0.4719474432 L/s ÷ 0.4719474432 ≈ 1 CFM. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.4719474432 L/s per CFM.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
CFM to L/s table
| CFM | L/s (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.4719474432 |
| 2 | 0.9438948864 |
| 5 | 2.359737216 |
| 10 | 4.719474432 |
| 100 | 47.19474432 |