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gpm to m3-s | Exact Decimal + Formula

1 US Gallon / Minute = 0.000063 Cubic Meter / Second

Conversions between US Gallon / Minute (gpm) and Cubic Meter / Second (m³/s) are essential in the flow rate category. This tool provides a quick, free, and accurate way to convert us gallon / minutes to cubic meter / seconds for academic, professional, or personal calculations. Check the detailed conversion table and formula explanation below for more context.

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Formula

m³/s = gpm × 0.00006309

To convert US Gallon / Minute to Cubic Meter / Second, use the formula displayed above.

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US Gallon / Minute to Cubic Meter / Second: Quick Reference Table

US Gallon / Minute Cubic Meter / Second (Decimal) Fraction
0.001 gpm 6.3090e-8 m³/s -
0.01 gpm 6.3090e-7 m³/s -
0.1 gpm 0.000006 m³/s -
0.5 gpm 0.000032 m³/s -
1 gpm 0.000063 m³/s -
2 gpm 0.000126 m³/s -
5 gpm 0.000315 m³/s -
10 gpm 0.000631 m³/s -
25 gpm 0.001577 m³/s -
50 gpm 0.003155 m³/s -
100 gpm 0.006309 m³/s -
250 gpm 0.015773 m³/s -
500 gpm 0.031545 m³/s -
1000 gpm 0.06309 m³/s -

gpm to m³/s Formula and Examples

Direct Formula m³/s = gpm × 0.00006309
Inverse Formula gpm = m³/s × 15850.322237
Mental Math Shortcut

Divide the value by roughly 15850.3 to quickly estimate the converted result.

Common US Gallon / Minute to Cubic Meter / Second Calculations

  • 5 gpm = 0.000315 m³/s
  • 10 gpm = 0.000631 m³/s
  • 50 gpm = 0.003155 m³/s
  • 100 gpm = 0.006309 m³/s
  • 500 gpm = 0.031545 m³/s

Related Specialist Flow Rate Calculators & Niche Tools

Flow rate calculations measure fluid velocity, expressing volume per unit time. Typically calculated in Gallons per Minute (GPM) or Liters per Minute (LPM), these measurements are fundamental in plumbing, irrigation, and hydraulic system design.

Sizing a water pump or designing a sprinkler system requires translating fluid flow rates across metric and imperial systems. Flow calculators allow plumbers and civil engineers to determine if piping and valve sizes can handle specific GPM or LPM rates under pressure, optimizing fluid transport systems for peak output.

Flow gpm to lpm Convert liquid flow rates.

How to Convert US Gallon / Minute to Cubic Meter / Second

How many cubic meter / seconds are in a us gallon / minute?
1 US Gallon / Minute (gpm) is equal to 0.000063 Cubic Meter / Second (m³/s). To convert us gallon / minutes to cubic meter / seconds, multiply your value by 0.000063.
How do I convert us gallon / minute to cubic meter / second?
To convert US Gallon / Minute to Cubic Meter / Second, use the formula: Cubic Meter / Second = US Gallon / Minute × 0.000063. For example, 5 gpm = 0.000315 m³/s.
What is the formula for gpm to m³/s?
The formula is: m³/s = gpm × 0.000063. This is based on the exact SI conversion factor. Use our calculator above to convert any value instantly.