Liters per second to Cubic feet per minute Converter
Quick answer: To convert liters per second to cubic feet per minute, multiply by 2.11888. For example, 10 L/s is 21.1888 CFM. One liter per second equals 2.11888 CFM.
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Use the Liters per second to Cubic feet per minute Converter
Liters per second to Cubic feet per minute formula and what each symbol means
CFM = L/s × 2.11888
| Symbol | Meaning |
|---|---|
| L/s | Liter per second |
| CFM | Cubic foot per minute |
Liters per second to Cubic feet per minute examples
1 L/s
1 L/s × 2.11888 = 2.11888 CFM.
10 L/s
10 L/s × 2.11888 = 21.1888 CFM.
100 L/s
100 L/s × 2.11888 = 211.888 CFM.
Liters per second compared with Cubic feet per minute
One L/s is 2.119 times as large as one CFM, so your number gets bigger when you convert liters 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 liters per second and cubic feet per minute
Liter per second (L/s): One thousandth of a cubic metre per second. Cubic foot per minute (CFM): Cubic feet per minute, about 4.719×10⁻⁴ m³/s.
How to calculate Liters per second to Cubic feet per minute step by step
- Enter the value in L/s (the starting unit).
- Multiply by 2.11888, because 1 L/s = 2.11888 CFM.
- The product is the value in CFM. To go back, divide by 2.11888 or multiply by 0.4719474.
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How to read your Liters per second to Cubic feet per minute result
Quick estimate: multiply by about 2.1 to get cubic feet per minute from liters per second; this is within 0.9% of the exact factor. Volumetric flow is volume per unit time.
| LITERS PER SECOND | CUBIC FEET PER MINUTE |
|---|---|
| 1 | 2.11888 |
| 2 | 4.23776 |
| 5 | 10.5944 |
| 10 | 21.1888 |
| 20 | 42.3776 |
| 50 | 105.944 |
| 100 | 211.888 |
| 1,000 | 2,118.88 |
Cubic feet per minute to Liters per second: quick table
| CUBIC FEET PER MINUTE | LITERS PER SECOND |
|---|---|
| 1 | 0.4719474 |
| 5 | 2.359737 |
| 10 | 4.719474 |
| 25 | 11.79869 |
| 50 | 23.59737 |
| 100 | 47.19474 |
| 250 | 117.9869 |
| 500 | 235.9737 |
Common mistakes when calculating Liters per second to Cubic feet per minute
- Confusing L/min with L/s, which differ by a factor of 60.
- Dividing when you should multiply: from L/s to CFM multiply by 2.11888; from CFM to L/s divide by 2.11888.
Liters per second to Cubic feet per minute FAQ
How many CFM are in 1 L/s?
1 L/s equals 2.11888 CFM.
How many L/s are in 1 CFM?
1 CFM equals 0.4719474 L/s.
Is 1 L/s = 2.11888 CFM an exact conversion?
The factor is shown rounded to 7 significant figures (2.11888). The calculator above uses more digits.
What is a liter per second (L/s)?
One thousandth of a cubic metre per second.
How can I estimate liters per second to cubic feet per minute in my head?
Quick estimate: multiply by about 2.1 to get cubic feet per minute from liters per second; this is within 0.9% of the exact factor.
What is 500 L/s in cubic feet per minute?
500 L/s = 1,059.44 CFM (since 500 × 2.11888).
What is 15 L/s in cubic feet per minute?
15 L/s = 31.7832 CFM (since 15 × 2.11888).
What is 75 L/s in cubic feet per minute?
75 L/s = 158.916 CFM (since 75 × 2.11888).
How many decimals should I keep when converting L/s to CFM?
Match the precision of your original measurement. For example, 21.1888 CFM rounds to 21.2 CFM at 3 significant figures; keep more digits only for engineering or scientific work.
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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)