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Unitglide

Reference sheet

Flow rate (volume) conversion chart

L/min, gpm, cfm, m³/h. Factors are given to 7 significant figures; open the converter for full precision and the worked solution.

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Conversion factors to cubic metres per second (m³/s)
UnitIn m³/s1 m³/s in unit
cubic metre per second (m³/s)1 m³/s1 m³/s
cubic metre per hour (m³/h)0.0002777778 m³/s3,600 m³/h
cubic metre per minute (m³/min)0.01666667 m³/s60 m³/min
litre per second (L/s)0.001 m³/s1,000 L/s
litre per minute (L/min)0.00001666667 m³/s60,000 L/min
litre per hour (L/h) m³/s3,600,000 L/h
millilitre per minute (mL/min) m³/s60,000,000 mL/min
US gallon per minute (gpm (US))0.0000630902 m³/s15,850.32 gpm (US)
imperial gallon per minute (gpm (UK))0.00007576817 m³/s13,198.15 gpm (UK)
US gallon per hour (gph (US))0.000001051503 m³/s951,019.4 gph (US)
cubic foot per minute (cfm)0.0004719474 m³/s2,118.88 cfm
cubic foot per second (ft³/s)0.02831685 m³/s35.31467 ft³/s
oil barrel per day (bbl/d)0.000001840131 m³/s543,439.7 bbl/d
gpm (US) → L/min
gpm (US)L/min
0.1 gpm (US)0.3785412 L/min
0.5 gpm (US)1.892706 L/min
1 gpm (US)3.785412 L/min
2 gpm (US)7.570824 L/min
5 gpm (US)18.92706 L/min
10 gpm (US)37.85412 L/min
20 gpm (US)75.70824 L/min
25 gpm (US)94.63529 L/min
50 gpm (US)189.2706 L/min
100 gpm (US)378.5412 L/min
250 gpm (US)946.3529 L/min
500 gpm (US)1,892.706 L/min
1,000 gpm (US)3,785.412 L/min
L/min → gpm (US)
L/mingpm (US)
0.1 L/min0.02641721 gpm (US)
0.5 L/min0.132086 gpm (US)
1 L/min0.2641721 gpm (US)
2 L/min0.5283441 gpm (US)
5 L/min1.32086 gpm (US)
10 L/min2.641721 gpm (US)
20 L/min5.283441 gpm (US)
25 L/min6.604301 gpm (US)
50 L/min13.2086 gpm (US)
100 L/min26.41721 gpm (US)
250 L/min66.04301 gpm (US)
500 L/min132.086 gpm (US)
1,000 L/min264.1721 gpm (US)

Formula: L/min = gpm (US) × 3.785411784

Need another value? Use the gpm (US) to L/min converter or the flow rate (volume) converter.

Unitglide · unitglide.app/reference/flow-rate · Factors from NIST SP 811, NIST Handbook 44 and the BIPM SI Brochure (9th ed.). Values rounded to 7 significant figures unless exact.