CFM to m³/min Conversion – Calculator, Chart & Guide

Easily convert CFM to m³/min with our instant calculator, comprehensive chart, and real-world industrial examples. ISO-compliant.

Convert CFM to M3/Min

Convert M3/Min to CFM

What is CFM and M³/min?

CFM (Cubic Feet per Minute)

is a common airflow measurement in the United States and other imperial system regions. It indicates how many cubic feet of air pass a point each minute.

Understanding how to convert between them is critical in:

Air compressor sizing

Cross-border equipment comparison

Technical evaluations and quotations

M³/min (Cubic Meters per Minute)

is the metric equivalent, commonly used in Europe, Asia, and international engineering standards.

How to Choose the Right Air Compressor

Air Flow (CFM or m³/min)?

What Are Bar and PSI?

Choosing the correct compressor size starts with understanding your equipment’s maximum air consumption. Confirm the required CFM (or m³/min) with your equipment supplier under full load conditions.

Then, apply a basic sizing rule:

Required Airflow = Maximum Consumption × 1.15

This 1.15 factor accounts for pipe losses, valve leakage, and system inefficiencies.

Example:

If your machine’s maximum demand is 200 CFM, you should select a compressor rated at at least 230 CFM. Then choose your compressor type—screw, scroll, piston, or centrifugal—based on your usage scenario.

✅ Tip: Never select a compressor with capacity exactly equal to your demand. Always reserve at least 15% buffer.

Quick Reference Chart

Values rounded to 5 decimal places.

CFM	m³/min	L/min	m³/hr	GPM (US)
5	0.1416	141.58	8.50	37.39
10	0.2832	283.17	17.00	74.78
15	0.4248	424.75	25.49	112.17
20	0.5663	566.34	33.98	149.56
25	0.7079	707.92	42.48	186.95
30	0.8495	849.51	50.97	224.34
35	0.9911	991.09	59.47	261.73
40	1.1327	1132.68	67.96	299.12
45	1.2743	1274.26	76.46	336.51
50	1.4159	1415.85	84.95	373.90
55	1.5574	1557.43	93.44	411.29
60	1.6990	1699.02	101.94	448.68
65	1.8406	1840.60	110.43	486.07
70	1.9822	1982.19	118.93	523.46
75	2.1238	2123.77	127.42	560.85
80	2.2654	2265.36	135.92	598.24
85	2.4070	2406.94	144.41	635.63
90	2.5485	2548.53	152.91	673.02
95	2.6901	2690.11	161.40	710.41
100	2.8317	2831.68	169.90	747.80

Common Higher CFM Levels

CFM	m³/min	L/min	m³/hr	GPM (US)
100	2.8317	2831.68	169.90	747.80
110	3.1149	3114.85	186.89	822.58
120	3.3980	3398.02	203.88	897.36
130	3.6812	3681.19	220.87	972.14
140	3.9643	3964.36	237.86	1046.92
150	4.2475	4247.52	254.85	1121.70
160	4.5306	4530.69	271.84	1196.48
170	4.8138	4813.86	288.83	1271.26
180	5.0969	5097.03	305.82	1346.04
190	5.3801	5380.20	322.81	1420.82
200	5.6632	5663.37	339.80	1495.60
210	5.9464	5946.54	356.79	1570.38
220	6.2295	6229.71	373.78	1645.16
230	6.5127	6512.88	390.77	1719.94
240	6.7958	6796.05	407.76	1794.72
250	7.0790	7079.22	424.75	1869.50
260	7.3621	7362.38	441.74	1944.28
270	7.6453	7645.55	458.73	2019.06
280	7.9284	7928.72	475.72	2093.84
290	8.2116	8211.89	492.71	2168.62
300	8.4947	8495.06	509.70	2243.40

CFM	m³/min	L/min	m³/hr	GPM (US)
300	8.4947	8495.06	509.70	2243.40
400	11.3263	11326.75	679.60	2991.20
500	14.1580	14158.44	849.50	3739.00
600	16.9896	16990.13	1019.40	4486.80
700	19.8213	19821.82	1189.30	5234.60
800	22.6529	22653.50	1359.20	5982.40

Real-Life Application Examples

Soluzioni versatili per diversi settori

Frequently Asked Questions

Is CFM the same as SCFM?

No. SCFM accounts for standardized temperature and pressure. CFM may vary by conditions.

Can I use this conversion for high-pressure air?

Not directly. These formulas assume atmospheric pressure. For high-pressure systems, refer to SCFM or ACFM.

How accurate is the conversion?

Using the standard multiplier, it’s accurate for most industrial applications.

What is the difference between CFM and m³/min?

CFM is an imperial unit used in the U.S., while m³/min is a metric unit commonly used in international engineering and manufacturing.

Why is CFM conversion important for compressor selection?

Different brands and regions use different units. Correct conversion ensures accurate equipment sizing and avoids over- or under-specification.

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