1 cubic foot per hour [ft3/h] = 0.000278 cubic foot per second [ft3/s]
Example: 1 cubic foot per hour [ft3/h] equals 0.000278 cubic foot per second [ft3/s].
Examples
1 cubic foot per hour [ft3/h] = 0.000278 cubic foot per second [ft3/s]
2 cubic foot per hour [ft3/h] = 0.000556 cubic foot per second [ft3/s]
5 cubic foot per hour [ft3/h] = 0.001389 cubic foot per second [ft3/s]
10 cubic foot per hour [ft3/h] = 0.002778 cubic foot per second [ft3/s]
20 cubic foot per hour [ft3/h] = 0.005556 cubic foot per second [ft3/s]
25 cubic foot per hour [ft3/h] = 0.006944 cubic foot per second [ft3/s]
Practical Uses for cubic foot per hour to cubic foot per second
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
cubic foot per hour [ft3/h]
Definition
The cubic foot per hour (ft3/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 cubic foot per hour when comparing flow rate values, checking specifications, converting between systems, or preparing quick estimates.
cubic foot per second [ft3/s]
Definition
The cubic foot per second (ft3/s) 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 second 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 cubic foot per hour [ft3/h].
Confirm the target unit is cubic foot per second [ft3/s].
Read the instant result and formula.
Where This Conversion Is Used
pumps and plumbingHVAC airflowirrigation systemsindustrial process flow
cubic foot per hour to cubic foot per second Conversion Chart
How do I convert cubic foot per hour to cubic foot per second?
Use this formula: 1 cubic foot per hour [ft3/h] = 0.000278 cubic foot per second [ft3/s] Enter your value in the calculator and the result updates instantly.
How many cubic foot per second are in 1 cubic foot per hour?
1 cubic foot per hour [ft3/h] equals 0.000278 cubic foot per second [ft3/s].
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.