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Watt per square meter to BTU per hour square foot

1 W/m² = 0.316998 BTU/(h·ft²)

1 Watt per square meter (W/m²) is equal to 0.316998 BTU per hour square foot (BTU/(h·ft²)).To convert from watt per square meter into btu per hour square foot, calculate using the recognized factor equation: 1 × 0.316998 = 0.317 BTU/(h·ft²). Enter any value into the calculator below for automatic multi-unit calculations across the entire system.

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

Exact Formula

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

Value in BTU/(h·ft²) = Value in W/m² × (0.316998)
Example: 1 × 0.316998 = 0.317 BTU/(h·ft²)

1 Watt per square meter (W/m²) is equal to exactly 0.316998 BTU per hour square foot (BTU/(h·ft²)).

Reverse conversion: 1 BTU/(h·ft²) = 3.154591 W/m².

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

Quick lookup for standard increments from 1 to 100 W/m²

Reference Table
Watt per square meter (W/m²)BTU per hour square foot (BTU/(h·ft²))Quick Copy
1 W/m²0.317 BTU/(h·ft²)
2 W/m²0.634 BTU/(h·ft²)
3 W/m²0.951 BTU/(h·ft²)
5 W/m²1.585 BTU/(h·ft²)
10 W/m²3.17 BTU/(h·ft²)
15 W/m²4.755 BTU/(h·ft²)
20 W/m²6.34 BTU/(h·ft²)
25 W/m²7.925 BTU/(h·ft²)
50 W/m²15.8499 BTU/(h·ft²)
75 W/m²23.7749 BTU/(h·ft²)
100 W/m²31.6998 BTU/(h·ft²)

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Frequently Asked Questions

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

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

There are exactly 0.316998 btu per hour square foot (BTU/(h·ft²)) in 1 watt per square meter (W/m²).

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

To convert Watt per square meter to BTU per hour square foot: Value in BTU/(h·ft²) = Value in W/m² × (0.316998). 1 Watt per square meter (W/m²) is equal to exactly 0.316998 BTU per hour square foot (BTU/(h·ft²)).

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

To convert in reverse from BTU per hour square foot to Watt per square meter, 1 BTU/(h·ft²) equals approximately 3.154591 W/m².