# BTU/Hour Square Foot to Watt/Square Meter Conversion

## BTU/Hour Square Foot to Watt/Square Meter Conversion - Convert BTU/Hour Square Foot to Watt/Square Meter (BTU/h∙ft² to W/m²)

### You are currently converting Heat Flux Density units from BTU/Hour Square Foot to Watt/Square Meter

1 BTU/Hour Square Foot (BTU/h∙ft²)

=

3.15459 Watt/Square Meter (W/m²)

BTU/Hour Square Foot : The BTU per hour per square foot is a unit of heat flux density which is a US Customary and British Imperial units. Its symbol is BTU/h•ft².

Watt/Square Meter : The watt per square meter is a derived unit of heat flux density in the International System of Units SI. Its symbol is W/m². One watt per square meter is equal to 1J/s•m².

### Heat Flux Density Conversion Calculator

1 BTU/Hour Square Foot = 3.15459 Watt/Square Meter

### How to convert BTU/Hour Square Foot to Watt/Square Meter ?

1 btu/hour square foot (BTU/h∙ft²) is equal to 3.15459 watt/square meter (W/m²).

1BTU/h∙ft² = 3.15459W/m²

The heat flux density Ǿq in watt/square meter (W/m²) is equal to the heat flux density Ǿq in btu/hour square foot (BTU/h∙ft²) times 3.15459, that conversion formula:

Ǿq(W/m²) = Ǿq(BTU/h∙ft²) × 3.15459

#### How many Watt/Square Meter in a BTU/Hour Square Foot?

One BTU/Hour Square Foot is equal to 3.15459 Watt/Square Meter:

1BTU/h∙ft² = 1BTU/h∙ft² × 3.15459 = 3.15459W/m²

#### How many BTU/Hour Square Foot in a Watt/Square Meter?

One Watt/Square Meter is equal to 0.317 BTU/Hour Square Foot:

1W/m² = 1W/m² × 0.317 = 0.317BTU/h∙ft²

#### How to Convert 5 BTU/Hour Square Foot to Watt/Square Meter?

Ǿq(W/m²) = 5(BTU/h∙ft²) × 3.15459 = 15.77295W/m²