UnitCon

Heat Transfer Coefficient

The heat transfer coefficient quantifies convective heat exchange between a surface and a surrounding fluid. It is central in heat exchangers, electronics cooling, HVAC systems, and building thermal analysis. This converter helps compare SI and customary heat-transfer units. It is useful for both quick checks and design calculations.

Common conversions

FromTo
1 Watt per Square Meter·Kelvin0.1761102 BTU per Hour·Square Foot·°F
1 BTU per Hour·Square Foot·°F5.678263 Watt per Square Meter·Kelvin
100 Watt per Square Meter·Kelvin17.61102 BTU per Hour·Square Foot·°F
10 BTU per Hour·Square Foot·°F56.78263 Watt per Square Meter·Kelvin

Frequently asked questions

It describes how effectively heat moves between a surface and a fluid by convection. Higher values usually mean faster convective heat transfer.

Conduction moves heat through a material, while convection involves heat transfer between a surface and moving fluid. Real systems often involve both at once.

Typical values vary widely based on fluid type, speed, surface shape, and whether flow is natural or forced. That is why reference ranges are more useful than one fixed number.

Related converters