📏 Length⚖️ Weight🌡️ Temperature💧 Volume📐 Area🚀 Speed⏱️ Time💾 Data⚡ Energy🔧 Pressure∠ Angle🔌 Power💪 Force🔩 Torque📶 Data rate🚰 Flow rate🧪 Density〰️ Frequency🔋 Voltage⚡ Current🎛️ Resistance🪫 Charge
🚰

Flow Rate Converter

Type a value and pick the units — the result appears instantly.

—

Value → Result

ValueResult

Flow Rate Converter — m³/s, m³/h, L/s, L/min, L/h, mL/min, gpm

This free converter switches instantly between all common and professional units in this category. Results update as you type, work on any device and need no account.

Available units

Cubic meter per second, Cubic meter per hour, Liter per second, Liter per minute, Liter per hour, Milliliter per minute, US gallon per minute, US gallon per hour, UK gallon per minute, Cubic foot per minute, Cubic foot per second, Oil barrel per day.

Most used conversions

ValueResult
1 Liter per minute (L/min)0.264172 gpm
1 US gallon per minute (gpm)3.78541 L/min
1 Cubic meter per hour (m³/h)0.588578 cfm
1 Cubic foot per minute (cfm)1.69901 m³/h
1 Liter per second (L/s)15.8503 gpm
1 Cubic meter per hour (m³/h)16.6667 L/min
1 Liter per second (L/s)3.6 m³/h

How the conversion works

Every value is first converted to the base unit Cubic meter per second (m³/s) and then to the target unit. All factors come from international standards (SI, NIST); results are shown with 10 significant digits.

Frequently asked questions

How many US gallons per minute are in 1 liter per minute?
1 liter per minute (L/min) = 0.2641720524 gpm.
Is this converter free?
Yes. It is completely free, with no account and no usage limits.
How accurate are the results?
All conversion factors come from international standards (SI, NIST) and exact legal definitions. Results are calculated with 10 significant digits.
Does it work on my phone?
Yes. The site is optimized for phones, tablets and desktops and also works offline once loaded.
Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters