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Cubic Feet per Minute to Liters per Second Converter

cfm → L/s: type a value and the result appears instantly.

1 cfm = 0.4719474432 L/s
1 L/s = 2.118880003 cfm
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How to convert cubic feet per minute to liters per second

Use this formula:

L/s = cfm × 0.4719474432

Examples

cfm to L/s conversion chart

cubic feet per minute (cfm)liters per second (L/s)
0.1 cfm0.0471947 L/s
0.25 cfm0.117987 L/s
0.5 cfm0.235974 L/s
1 cfm0.471947 L/s
2 cfm0.943895 L/s
3 cfm1.41584 L/s
4 cfm1.88779 L/s
5 cfm2.35974 L/s
6 cfm2.83168 L/s
7 cfm3.30363 L/s
8 cfm3.77558 L/s
9 cfm4.24753 L/s
10 cfm4.71947 L/s
12 cfm5.66337 L/s
15 cfm7.07921 L/s
20 cfm9.43895 L/s
25 cfm11.7987 L/s
30 cfm14.1584 L/s
40 cfm18.8779 L/s
50 cfm23.5974 L/s
60 cfm28.3168 L/s
70 cfm33.0363 L/s
75 cfm35.3961 L/s
80 cfm37.7558 L/s
90 cfm42.4753 L/s
100 cfm47.1947 L/s
150 cfm70.7921 L/s
200 cfm94.3895 L/s
250 cfm117.987 L/s
500 cfm235.974 L/s
1,000 cfm471.947 L/s

About the units

Cubic foot per minute (cfm) is a US customary / imperial unit. 1 cfm = 1.699010796 m³/h.

Liter per second (L/s) is a metric (SI) unit. 1 L/s = 60 L/min.

Frequently asked questions

How do I convert cubic feet per minute to liters per second?
Multiply the value in cfm by 0.4719474432.
How many liters per second are in 1 cubic foot per minute?
1 cfm = 0.4719474432 L/s.
What is 12 cfm in L/s?
12 cfm = 5.66337 L/s.
How do I convert liters per second to cubic feet per minute?
Use the reverse converter: L/s → cfm.

Flow Rate Converter →

Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters