Convert btu per hour square foots to kilowatt per square meters

1 BTU/(h·ft²) = 0.00315459074506 kW/m² — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

From

0.003 154 590 745 06kW/m²

≈ Rounded to 12 s.f. 1 BTU/(h·ft²) ≈ 0.003 154 590 745 06 kW/m²

As a fraction: 52752792631/16722547200000

Significant digits 12 Notation 1 BTU/(h·ft²) = 0.00315459074506 kW/m²

How to convert btu per hour square foots to kilowatt per square meters

Multiply the number of btu per hour square foots by 0.00315459074506 to get kilowatt per square meters.

BTU per hour square foots (BTU/(h·ft²))	Kilowatt per square meters (kW/m²)
1 BTU/(h·ft²)	0.003 154 590 7
2 BTU/(h·ft²)	0.006 309 181 5
3 BTU/(h·ft²)	0.009 463 772 2
5 BTU/(h·ft²)	0.015 772 954
10 BTU/(h·ft²)	0.031 545 907
20 BTU/(h·ft²)	0.063 091 815
25 BTU/(h·ft²)	0.078 864 769
50 BTU/(h·ft²)	0.157 729 54
100 BTU/(h·ft²)	0.315 459 07
250 BTU/(h·ft²)	0.788 647 69
500 BTU/(h·ft²)	1.577 295 4
1000 BTU/(h·ft²)	3.154 590 7

Kilowatt per square meters (kW/m²)	BTU per hour square foots (BTU/(h·ft²))
1 kW/m²	316.998 33
2 kW/m²	633.996 66
3 kW/m²	950.994 99
5 kW/m²	1584.9917
10 kW/m²	3169.9833
20 kW/m²	6339.9666
25 kW/m²	7924.9583
50 kW/m²	15 849.917
100 kW/m²	31 699.833
250 kW/m²	79 249.583
500 kW/m²	158 499.17
1000 kW/m²	316 998.33

One btu per hour square foot equals 0.003154590745 kilowatt per square meters (BTU/(h·ft²) → kW/m²). That figure is exact, not rounded.

Multiply the number of btu per hour square foots by 0.00315459074506 to get kilowatt per square meters.

One kilowatt per square meter is 316.9983306 btu per hour square foots.

10 BTU/(h·ft²) = 0.031 545 907 kW/m².