cubic foot/hour [ft^3/h] Unit Converter

Definition of cubic foot/hour [ft^3/h] unit

Cubic foot per hour (ft³/h) is a unit of volumetric flow rate equal to the movement of one cubic foot of fluid, gas, or particulate material through a specified point during one hour. It equals approximately 0.000007865 cubic meters per second.

History of cubic foot/hour [ft^3/h] unit

The cubic foot developed from the foot, an English length unit that became standardized in customary measurement systems, and from the widespread use of cubic volume measures in Britain and North America. Combining it with “per hour” created a practical flow unit for slow gas, air, and liquid movement. It gained importance during industrialization, especially in ventilation, fuel-gas distribution, and process engineering. Although the SI cubic meter per second is preferred internationally, cubic feet per hour remains familiar in US customary practice and in specifications for low-rate metering equipment.

Applications of cubic foot/hour [ft^3/h] unit

It is used to express low-volume flow in applications where hourly throughput is convenient. Examples include measuring natural gas consumption in small appliances, airflow through ventilation components, leakage rates, and dosing of liquids or chemicals. Manufacturers may specify instrument capacity in ft³/h, while technicians use it for calibrating rotameters, flow controllers, and domestic or laboratory gas meters.

Complete list of cubic foot/hour [ft^3/h] unit conversion