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Volumetric Flow Rate

IGal/hrtom³/hr

Convert Imperial gallons per hour (IGal/hr) to cubic metres per hour (m³/hr).

Factor1 IGal/hr = 0.00454609 m³/hr

Converter

IGal/hr

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

Result
4.54609m³/hr

Rendered to 6 significant figures.

Formula

Formula
m³/hr = IGal/hr × 0.00454609

Multiply any value in Imperial gallons per hour by 0.00454609 to obtain the value in cubic metres per hour.

Worked example

Convert 1000 IGal/hr to m³/hr.

  1. 01Start with 1000 IGal/hr.
  2. 02Multiply by the conversion factor: 1000 × 0.00454609 = 4.54609 m³/hr.
Result1000 IGal/hr = 4.54609 m³/hr

Conversion table

IGal/hrm³/hr
10.0045461
20.0090922
50.02273
100.045461
200.090922
500.2273
1000.45461
2000.90922
5002.273
10004.5461

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from IGal/hr to m³/hr?
1 IGal/hr equals 0.00454609 m³/hr. To convert, multiply the value in Imperial gallons per hour by 0.00454609.
How do I convert 1 IGal/hr to m³/hr?
1 IGal/hr = 0.00454609 m³/hr. For any value, multiply by 0.00454609.
How do I convert m³/hr back to IGal/hr?
Divide by the same factor — or equivalently, multiply by 219.9692. So 1 m³/hr = 219.969 IGal/hr.
When would I need to convert Imperial gallon per hour to cubic metre 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 m³/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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