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Unit Converter

BTU per hour square foot to Watt per square meter

1 BTU/(h·ft²) = 3.154591 W/m²
Swap: Watt per square meter to BTU per hour square foot⇄

1 BTU per hour square foot (BTU/(h·ft²)) is equal to 3.154591 Watt per square meter (W/m²).To convert from btu per hour square foot into watt per square meter, calculate using the recognized factor equation: 1 × 3.154591 = 3.1546 W/m². Enter any value into the calculator below for automatic multi-unit calculations across the entire system.

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How to Convert BTU per hour square foot to Watt per square meter

Exact Formula

To convert from BTU per hour square foot (BTU/(h·ft²)) to Watt per square meter (W/m²), apply the standard mathematical equation:

Value in W/m² = Value in BTU/(h·ft²) × (3.154591)
Example: 1 × 3.154591 = 3.1546 W/m²

1 BTU per hour square foot (BTU/(h·ft²)) is equal to exactly 3.154591 Watt per square meter (W/m²).

Reverse conversion: 1 W/m² = 0.316998 BTU/(h·ft²).

BTU per hour square foot to Watt per square meter Conversion Table

Quick lookup for standard increments from 1 to 100 BTU/(h·ft²)

Reference Table
BTU per hour square foot (BTU/(h·ft²))Watt per square meter (W/m²)Quick Copy
1 BTU/(h·ft²)3.1546 W/m²
2 BTU/(h·ft²)6.3092 W/m²
3 BTU/(h·ft²)9.4638 W/m²
5 BTU/(h·ft²)15.773 W/m²
10 BTU/(h·ft²)31.5459 W/m²
15 BTU/(h·ft²)47.3189 W/m²
20 BTU/(h·ft²)63.0918 W/m²
25 BTU/(h·ft²)78.8648 W/m²
50 BTU/(h·ft²)157.7295 W/m²
75 BTU/(h·ft²)236.5943 W/m²
100 BTU/(h·ft²)315.4591 W/m²

Related Heat Flux Density Conversions

Quick jumps from BTU per hour square foot to other popular heat flux density units

Cluster Links
BTU per hour square foot to Kilowatt per square meter1 BTU/(h·ft²) = 0.0032 kW/m²BTU per hour square foot to Calorie per second cm²1 BTU/(h·ft²) = 7.5397e-5 cal/(s·cm²)

Frequently Asked Questions

Common queries regarding BTU per hour square foot to Watt per square meter calculation formulas

How many watt per square meter are in 1 btu per hour square foot?

There are exactly 3.154591 watt per square meter (W/m²) in 1 btu per hour square foot (BTU/(h·ft²)).

What is the formula to convert from BTU per hour square foot to Watt per square meter?

To convert BTU per hour square foot to Watt per square meter: Value in W/m² = Value in BTU/(h·ft²) × (3.154591). 1 BTU per hour square foot (BTU/(h·ft²)) is equal to exactly 3.154591 Watt per square meter (W/m²).

How do you convert Watt per square meter back into BTU per hour square foot?

To convert in reverse from Watt per square meter to BTU per hour square foot, 1 W/m² equals approximately 0.316998 BTU/(h·ft²).