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Volumetric Flow Rate

L/hrtogph (US)

Convert litres per hour (L/hr) to US gallons per hour (gph (US)).

Factor1 L/hr = 0.2641721 gph (US)

Converter

L/hr

Accepts numbers or expressions, e.g. 150 + 14.7

Result
2.64172gph (US)

Rendered to 6 significant figures.

Formula

Formula
gph (US) = L/hr × 0.2641721

Multiply any value in litres per hour by 0.2641721 to obtain the value in US gallons per hour.

Worked example

Convert 10 L/hr to gph (US).

  1. 01Start with 10 L/hr.
  2. 02Multiply by the conversion factor: 10 × 0.2641721 = 2.64172 gph (US).
Result10 L/hr = 2.64172 gph (US)

Conversion table

L/hrgph (US)
10.26417
20.52834
51.3209
102.6417
205.2834
5013.209
10026.417
20052.834
500132.09
1000264.17

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from L/hr to gph (US)?
1 L/hr equals 0.2641721 gph (US). To convert, multiply the value in litres per hour by 0.2641721.
How do I convert 1 L/hr to gph (US)?
1 L/hr = 0.264172 gph (US). For any value, multiply by 0.2641721.
How do I convert gph (US) back to L/hr?
Divide by the same factor — or equivalently, multiply by 3.785412. So 1 gph (US) = 3.78541 L/hr.
When would I need to convert litre per hour to US gallon per hour?
Flow-rate conversions show up in pump curve interpretation, control valve sizing (Cv vs Kv), and aligning vendor specifications with process simulation outputs. L/hr to gph (US) is a frequently needed conversion for flow datasheet preparation.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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