21 Gallon (US)/Minute to Cubic Meter/Second
Quick answer
21 Gallon (US)/Minute (gpm) equals
0.001325 m³/s
To convert 21 Gallon (US)/Minutes to Cubic Meter/Seconds, multiply by 6.309020e-5. Therefore, 21 Gallon (US)/Minute (gpm) equals 0.001325 Cubic Meter/Second (m³/s).
Formula: m³/s = gpm × 6.309020e-5. Calculation: 21 × 6.309020e-5 = 0.001325 m³/s.
Convert Gallon (US)/Minute (gpm) to Cubic Meter/Second (m³/s) online with our free unit converter. In flow rate, 1 gpm = 6.309020e-5 m³/s. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Gallon (US)/Minute to Cubic Meter/Second
- Step 1 — start with the formula. m³/s = gpm × 0.0000630902
- Step 2 — substitute your figure. 21 gpm × 6.309020e-5
- Step 3 — read the result. 21 gpm = 0.001325 m³/s
- Step 4 — check it in reverse. gpm = m³/s × 15,850.3231414889 returns 21.0017 gpm, which matches the figure you started with.
Flow Rate Converter
14 units available
21 gpm = 0.001325 m³/s
Formula:
m³/s = gpm × 0.0000630902With your value: 21 gpm = 0.00132489 m³/s
Other Gallon (US)/Minute to Cubic Meter/Second conversions
Gallon (US)/Minute to Cubic Meter/Second Conversion Table
| Gallon (US)/Minute (gpm) | Cubic Meter/Second (m³/s) |
|---|---|
| 0.5 | 3.154510e-5 |
| 1 | 6.309020e-5 |
| 2 | 0.000126 |
| 5 | 0.000315 |
| 10 | 0.000631 |
| 15 | 0.000946 |
| 20 | 0.001262 |
| 25 | 0.001577 |
| 50 | 0.003155 |
| 100 | 0.006309 |
| 250 | 0.015773 |
| 500 | 0.031545 |
| 1000 | 0.06309 |
Cubic Meter/Second to Gallon (US)/Minute Conversion Table
| Cubic Meter/Second (m³/s) | Gallon (US)/Minute (gpm) |
|---|---|
| 0.5 | 7,925.161571 |
| 1 | 15,850.323141 |
| 2 | 31,700.646283 |
| 5 | 79,251.615707 |
| 10 | 158,503.231415 |
| 15 | 237,754.847122 |
| 20 | 317,006.46283 |
| 25 | 396,258.078537 |
| 50 | 792,516.157074 |
| 100 | 1,585,032.314149 |
| 250 | 3,962,580.785372 |
| 500 | 7,925,161.570744 |
| 1000 | 15,850,323.141489 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Gallon (US)/Minute (gpm)
Flow Rate
Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.
Source: ISO 80000, Quantities and units (all parts)
International Organization for Standardization · Reviewed 2026-07-01
Cubic Meter/Second (m³/s)
Flow Rate
Derived quantity: a defined volume divided by a defined time interval (m³/s). All listed units are exact multiples of the cubic metre per second.
Source: ISO 80000, Quantities and units (all parts)
International Organization for Standardization · Reviewed 2026-07-01
How to Convert Gallon (US)/Minute to Cubic Meter/Second
To convert from Gallon (US)/Minute (gpm) to Cubic Meter/Second (m³/s), multiply the value by 6.309020e-5.
Formula: m³/s = gpm × 0.0000630902
Reverse: gpm = m³/s × 15,850.3231414889
Step-by-Step Example
- Start with your value in Gallon (US)/Minute. For example: 5 gpm
- Multiply by the conversion factor: 5 x 6.309020e-5
- The result is: 0.000315 m³/s
Gallon (US)/Minute and Cubic Meter/Second Relationship
This calculation facilitates standardized conversion between recognized units of flow rate. Since 1 Gallon (US)/Minute represents a fraction of a Cubic Meter/Second (1 Cubic Meter/Second ≈ 1.585e+4 Gallon (US)/Minutes), the Cubic Meter/Second is the larger measurement interval. Understanding the relationship between Gallon (US)/Minute and Cubic Meter/Second is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Gallon (US)/Minute
The Gallon (US)/Minute (symbol: gpm) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.
Common uses of Gallon (US)/Minute: flow rate calculations, engineering and science, education.
About Cubic Meter/Second
The Cubic Meter/Second (symbol: m³/s) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.
Common uses of Cubic Meter/Second: flow rate calculations, engineering and science, education.
Frequently Asked Questions
- What is 21 Gallon (US)/Minute in Cubic Meter/Second?
- 21 Gallon (US)/Minute equals 0.001325 Cubic Meter/Second.
- How many Cubic Meter/Seconds are in 1 Gallon (US)/Minute?
- There are exactly 6.309020e-5 Cubic Meter/Seconds in 1 Gallon (US)/Minute. This means the conversion factor from Gallon (US)/Minute to Cubic Meter/Second is 6.309020e-5.
- What is the formula to convert Gallon (US)/Minute to Cubic Meter/Second?
- The formula to convert Gallon (US)/Minute to Cubic Meter/Second is: m³/s = gpm × 0.0000630902. For example, to convert 10 Gallon (US)/Minutes to Cubic Meter/Seconds, you would multiply 10 by 6.309020e-5.
- What is a Gallon (US)/Minute?
- The Gallon (US)/Minute (symbol: gpm) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.
- What is a Cubic Meter/Second?
- The Cubic Meter/Second (symbol: m³/s) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.
- What are the common uses of Gallon (US)/Minute?
- The Gallon (US)/Minute is commonly used in flow rate calculations, engineering and science, education.
Related Flow Rate Conversions
Cite this page
UnitConvertLab. (2026). 21 Gallon (US)/Minute to Cubic Meter/Second. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/21-gpm_us-to-m3_per_second