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Volumetric Flow Rate

IGal/hrtoL/hr

Convert Imperial gallons per hour (IGal/hr) to litres per hour (L/hr).

Factor1 IGal/hr = 4.54609 L/hr

Converter

IGal/hr

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

Result
4.54609L/hr

Rendered to 6 significant figures.

Formula

Formula
L/hr = IGal/hr × 4.54609

Multiply any value in Imperial gallons per hour by 4.54609 to obtain the value in litres per hour.

Worked example

Convert 1 IGal/hr to L/hr.

  1. 01Start with 1 IGal/hr.
  2. 02Multiply by the conversion factor: 1 × 4.54609 = 4.54609 L/hr.
Result1 IGal/hr = 4.54609 L/hr

Conversion table

IGal/hrL/hr
14.5461
29.0922
522.73
1045.461
2090.922
50227.3
100454.61
200909.22
5002273
10004546.1

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from IGal/hr to L/hr?
1 IGal/hr equals 4.54609 L/hr. To convert, multiply the value in Imperial gallons per hour by 4.54609.
How do I convert 1 IGal/hr to L/hr?
1 IGal/hr = 4.54609 L/hr. For any value, multiply by 4.54609.
How do I convert L/hr back to IGal/hr?
Divide by the same factor — or equivalently, multiply by 0.2199692. So 1 L/hr = 0.219969 IGal/hr.
When would I need to convert Imperial gallon per hour to litre 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. IGal/hr to L/hr 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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