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Liters per Second to Cubic Feet per Minute Converter

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

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

Use this formula:

cfm = L/s × 2.118880003

Examples

L/s to cfm conversion chart

liters per second (L/s)cubic feet per minute (cfm)
0.1 L/s0.211888 cfm
0.25 L/s0.52972 cfm
0.5 L/s1.05944 cfm
1 L/s2.11888 cfm
2 L/s4.23776 cfm
3 L/s6.35664 cfm
4 L/s8.47552 cfm
5 L/s10.5944 cfm
6 L/s12.7133 cfm
7 L/s14.8322 cfm
8 L/s16.951 cfm
9 L/s19.0699 cfm
10 L/s21.1888 cfm
12 L/s25.4266 cfm
15 L/s31.7832 cfm
20 L/s42.3776 cfm
25 L/s52.972 cfm
30 L/s63.5664 cfm
40 L/s84.7552 cfm
50 L/s105.944 cfm
60 L/s127.133 cfm
70 L/s148.322 cfm
75 L/s158.916 cfm
80 L/s169.51 cfm
90 L/s190.699 cfm
100 L/s211.888 cfm
150 L/s317.832 cfm
200 L/s423.776 cfm
250 L/s529.72 cfm
500 L/s1,059.44 cfm
1,000 L/s2,118.88 cfm

About the units

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

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

Frequently asked questions

How do I convert liters per second to cubic feet per minute?
Multiply the value in L/s by 2.118880003.
How many cubic feet per minute are in 1 liter per second?
1 L/s = 2.118880003 cfm.
What is 12 L/s in cfm?
12 L/s = 25.4266 cfm.
How do I convert cubic feet per minute to liters per second?
Use the reverse converter: cfm → L/s.

Flow Rate Converter →

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