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Volumetric Flow Rate

cfstoIGal/min

Convert cubic feet per second (cfs) to Imperial gallons per minute (IGal/min).

Factor1 cfs = 373.7301 IGal/min

Converter

cfs

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

Result
373.73IGal/min

Rendered to 6 significant figures.

Formula

Formula
IGal/min = cfs × 373.7301

Multiply any value in cubic feet per second by 373.7301 to obtain the value in Imperial gallons per minute.

Worked example

Convert 1 cfs to IGal/min.

  1. 01Start with 1 cfs.
  2. 02Multiply by the conversion factor: 1 × 373.7301 = 373.73 IGal/min.
Result1 cfs = 373.73 IGal/min

Conversion table

cfsIGal/min
1373.73
2747.46
51868.7
103737.3
207474.6
5018687
10037373
20074746
5001.8687e+5
10003.7373e+5

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from cfs to IGal/min?
1 cfs equals 373.7301 IGal/min. To convert, multiply the value in cubic feet per second by 373.7301.
How do I convert 1 cfs to IGal/min?
1 cfs = 373.73 IGal/min. For any value, multiply by 373.7301.
How do I convert IGal/min back to cfs?
Divide by the same factor — or equivalently, multiply by 0.002675728. So 1 IGal/min = 0.00267573 cfs.
When would I need to convert cubic foot per second to Imperial gallon per minute?
Flow-rate conversions show up in pump curve interpretation, control valve sizing (Cv vs Kv), and aligning vendor specifications with process simulation outputs. cfs to IGal/min 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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