21 Liter/Hour to Gallon (UK)/Minute
Quick answer
21 Liter/Hour (L/h) equals
0.076989 gpm (UK)
To convert 21 Liter/Hours to Gallon (UK)/Minutes, multiply by 0.0036661525. Therefore, 21 Liter/Hour (L/h) equals 0.076989 Gallon (UK)/Minute (gpm (UK)).
Formula: gpm (UK) = L/h × 0.0036661525. Calculation: 21 × 0.0036661525 = 0.076989 gpm (UK).
Convert Liter/Hour (L/h) to Gallon (UK)/Minute (gpm (UK)) online with our free unit converter. In flow rate, 1 L/h = 0.003666 gpm (UK). Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Liter/Hour to Gallon (UK)/Minute
- Step 1 — start with the formula. gpm (UK) = L/h × 0.0036661525
- Step 2 — substitute your figure. 21 L/h × 0.0036661525
- Step 3 — read the result. 21 L/h = 0.076989 gpm (UK)
- Step 4 — check it in reverse. L/h = gpm (UK) × 272.76552 returns 20.9999 L/h, which matches the figure you started with.
Flow Rate Converter
14 units available
21 L/h = 0.076989 gpm (UK)
Formula:
gpm (UK) = L/h × 0.0036661525With your value: 21 L/h = 0.0769892 gpm (UK)
Other Liter/Hour to Gallon (UK)/Minute conversions
Liter/Hour to Gallon (UK)/Minute Conversion Table
| Liter/Hour (L/h) | Gallon (UK)/Minute (gpm (UK)) |
|---|---|
| 0.5 | 0.001833 |
| 1 | 0.003666 |
| 2 | 0.007332 |
| 5 | 0.018331 |
| 10 | 0.036662 |
| 15 | 0.054992 |
| 20 | 0.073323 |
| 25 | 0.091654 |
| 50 | 0.183308 |
| 100 | 0.366615 |
| 250 | 0.916538 |
| 500 | 1.833076 |
| 1000 | 3.666153 |
Gallon (UK)/Minute to Liter/Hour Conversion Table
| Gallon (UK)/Minute (gpm (UK)) | Liter/Hour (L/h) |
|---|---|
| 0.5 | 136.38276 |
| 1 | 272.76552 |
| 2 | 545.53104 |
| 5 | 1,363.8276 |
| 10 | 2,727.6552 |
| 15 | 4,091.4828 |
| 20 | 5,455.3104 |
| 25 | 6,819.138 |
| 50 | 13,638.276 |
| 100 | 27,276.552 |
| 250 | 68,191.38 |
| 500 | 136,382.76 |
| 1000 | 272,765.52 |
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.
Liter/Hour (L/h)
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
Gallon (UK)/Minute (gpm (UK))
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 Liter/Hour to Gallon (UK)/Minute
To convert from Liter/Hour (L/h) to Gallon (UK)/Minute (gpm (UK)), multiply the value by 0.0036661525.
Formula: gpm (UK) = L/h × 0.0036661525
Reverse: L/h = gpm (UK) × 272.76552
Step-by-Step Example
- Start with your value in Liter/Hour. For example: 5 L/h
- Multiply by the conversion factor: 5 x 0.0036661525
- The result is: 0.018331 gpm (UK)
Liter/Hour and Gallon (UK)/Minute Relationship
This calculation facilitates standardized conversion between recognized units of flow rate. Since 1 Liter/Hour represents a fraction of a Gallon (UK)/Minute (1 Gallon (UK)/Minute ≈ 272.7655 Liter/Hours), the Gallon (UK)/Minute is the larger measurement interval. Understanding the relationship between Liter/Hour and Gallon (UK)/Minute is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Liter/Hour
The Liter/Hour (symbol: L/h) is a recognized unit in the Metric (SI) measurement framework, utilized within flow rate applications for precision and standardized data representation.
Common uses of Liter/Hour: flow rate calculations, engineering and science, education.
About Gallon (UK)/Minute
The Gallon (UK)/Minute (symbol: gpm (UK)) is a recognized unit in the Standard measurement framework, utilized within flow rate applications for precision and standardized data representation.
Common uses of Gallon (UK)/Minute: flow rate calculations, engineering and science, education.
Frequently Asked Questions
- What is 21 Liter/Hour in Gallon (UK)/Minute?
- 21 Liter/Hour equals 0.076989 Gallon (UK)/Minute.
- How many Gallon (UK)/Minutes are in 1 Liter/Hour?
- There are exactly 0.0036661525 Gallon (UK)/Minutes in 1 Liter/Hour. This means the conversion factor from Liter/Hour to Gallon (UK)/Minute is 0.0036661525.
- What is the formula to convert Liter/Hour to Gallon (UK)/Minute?
- The formula to convert Liter/Hour to Gallon (UK)/Minute is: gpm (UK) = L/h × 0.0036661525. For example, to convert 10 Liter/Hours to Gallon (UK)/Minutes, you would multiply 10 by 0.0036661525.
- What is a Liter/Hour?
- The Liter/Hour (symbol: L/h) is a recognized unit in the Metric (SI) measurement framework, utilized within flow rate applications for precision and standardized data representation.
- What is a Gallon (UK)/Minute?
- The Gallon (UK)/Minute (symbol: gpm (UK)) 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 Liter/Hour?
- The Liter/Hour is commonly used in flow rate calculations, engineering and science, education.
Related Flow Rate Conversions
Cite this page
UnitConvertLab. (2026). 21 Liter/Hour to Gallon (UK)/Minute. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/21-liter_per_hour-to-gpm_uk