1 gallon (US) per hour [gal/h] = 3.208333 cubic foot per day [ft3/day]
Example: 1 gallon (US) per hour [gal/h] equals 3.208333 cubic foot per day [ft3/day].
Examples
1 gallon (US) per hour [gal/h] = 3.208333 cubic foot per day [ft3/day]
2 gallon (US) per hour [gal/h] = 6.416667 cubic foot per day [ft3/day]
5 gallon (US) per hour [gal/h] = 16.041667 cubic foot per day [ft3/day]
10 gallon (US) per hour [gal/h] = 32.083333 cubic foot per day [ft3/day]
20 gallon (US) per hour [gal/h] = 64.166667 cubic foot per day [ft3/day]
25 gallon (US) per hour [gal/h] = 80.208333 cubic foot per day [ft3/day]
Practical Uses for gallon us per hour to cubic foot per day
pumps and plumbingHVAC airflowirrigation systemsindustrial process flow
Sources and Accuracy
Flow rate conversions use cubic meter per second as the reference unit and include common pump, plumbing, HVAC, and process-flow units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
About These Units
gallon (US) per hour [gal/h]
Definition
The gallon (US) per hour (gal/h) is a flow rate unit used to express measurements in this converter.
History
This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current use
Use gallon (US) per hour when comparing flow rate values, checking specifications, converting between systems, or preparing quick estimates.
cubic foot per day [ft3/day]
Definition
The cubic foot per day (ft3/day) is a flow rate unit used to express measurements in this converter.
History
This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current use
Use cubic foot per day when comparing flow rate values, checking specifications, converting between systems, or preparing quick estimates.
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How to Convert
Enter the value in the “From value” field.
Confirm the source unit is gallon (US) per hour [gal/h].
Confirm the target unit is cubic foot per day [ft3/day].
Read the instant result and formula.
Where This Conversion Is Used
pumps and plumbingHVAC airflowirrigation systemsindustrial process flow
gallon us per hour to cubic foot per day Conversion Chart
How do I convert gallon (US) per hour to cubic foot per day?
Use this formula: 1 gallon (US) per hour [gal/h] = 3.208333 cubic foot per day [ft3/day] Enter your value in the calculator and the result updates instantly.
How many cubic foot per day are in 1 gallon (US) per hour?
1 gallon (US) per hour [gal/h] equals 3.208333 cubic foot per day [ft3/day].
Can I reverse this conversion?
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.