Cubic Feet per Minute to Liters per Minute

Updated: July 25, 2026 · Source: NIST Guide to the SI, Appendix B (Authoritative SI and U.S. customary conversion-factor reference.)

Methodology·How We Verify

Snapshot

1 cubic foot per minute equals approximately 28.316846592 liters per minute. Conversion Encyclopedia uses the same fixed conversion basis across the calculator, common values, and reverse page for this page.

Reference basis: Multiply cubic feet per minute by approximately 28.316846592.
Example: For 25 CFM, the result is about 707.9211648 liters per minute.
Source basis: NIST Guide to the SI, Appendix B.

Use the interactive calculator below for custom values and the common-value table for quick checks.

Converter Calculator

28.317 Liters per Minute (L/min)

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Explanation

Both units describe volumetric flow rate, so the time basis already matches and only the volume unit changes. The converter does not adjust a gas flow for pressure, temperature, or standard conditions.

Multiply cubic feet per minute by approximately 28.316846592.

Conversion Basis

Multiply cubic feet per minute by approximately 28.316846592.
For 25 CFM, the result is about 707.9211648 liters per minute.
The snapshot, calculator, common values, and reverse route use the same conversion basis.
Source: NIST Guide to the SI, Appendix B (Authoritative SI and U.S. customary conversion-factor reference.)

Reference & Scope

The volume factor follows from the international cubic-foot definition; process-condition corrections are outside this unit conversion.

Values are calculated from one explicit conversion basis.
Displayed results are rounded only after the underlying calculation.
Real measured materials and ingredients can vary from the stated reference basis.
Source: NIST Guide to the SI, Appendix B (Authoritative SI and U.S. customary conversion-factor reference.)

Common Conversion Values

Cubic Feet per Minute (cfm)	Liters per Minute (L/min)
1	28.317
5	141.584
10	283.168
25	707.921
50	1,415.84
100	2,831.68
250	7,079.21
500	14,158.42

Frequently Asked Questions

What is 1 cubic foot per minute in liters per minute?

1 Cubic Foot per Minute equals 28.317 Liters per Minute on this page.

What fixed factor powers this Cubic Feet per Minute to Liters per Minute page?

The factor is derived by normalizing both units through liters per second, then applying the exact cubic-foot definition together with the route's matching time-base scaling.

When would I convert cubic feet per minute to liters per minute?

This route is useful when translating between SI flow units and gallon- or cubic-foot-based reporting for pumps, piping, ventilation, and plant documentation.

How do I reverse Cubic Feet per Minute to Liters per Minute?

Use the mirror Liters per Minute to Cubic Feet per Minute route; it applies the inverse relationship with the same flow-rate assumptions.