BTU/hour·square feet to Kilowatt/square meters (BTU/h·ft² to kW/m²)

Free online btu/hour·square foot to kilowatt/square meter converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.

HEAT FLUX DENSITY CONVERTER — INSTANT RESULT
Formula: multiply the btu/hour·square foot value by 0.0031545907 — i.e. kW/m² = BTU/h·ft² × 0.0031545907
Quick check: 1 BTU/h·ft² = 0.0031545907 kW/m²

BTU/hour·square feet to Kilowatt/square meters conversion table

BTU/hour·square feet (BTU/h·ft²)Kilowatt/square meters (kW/m²)
1 BTU/h·ft²0.0031545907 kW/m²
2 BTU/h·ft²0.0063091815 kW/m²
3 BTU/h·ft²0.0094637722 kW/m²
4 BTU/h·ft²0.012618363 kW/m²
5 BTU/h·ft²0.015772954 kW/m²
6 BTU/h·ft²0.018927544 kW/m²
7 BTU/h·ft²0.022082135 kW/m²
8 BTU/h·ft²0.025236726 kW/m²
9 BTU/h·ft²0.028391317 kW/m²
10 BTU/h·ft²0.031545907 kW/m²
15 BTU/h·ft²0.047318861 kW/m²
20 BTU/h·ft²0.063091815 kW/m²
25 BTU/h·ft²0.078864769 kW/m²
30 BTU/h·ft²0.094637722 kW/m²
40 BTU/h·ft²0.12618363 kW/m²
50 BTU/h·ft²0.15772954 kW/m²
75 BTU/h·ft²0.23659431 kW/m²
100 BTU/h·ft²0.31545907 kW/m²
250 BTU/h·ft²0.78864769 kW/m²
500 BTU/h·ft²1.57729537 kW/m²
1,000 BTU/h·ft²3.15459075 kW/m²

How to convert btu/hour·square feet to kilowatt/square meters

To convert btu/hour·square feet to kilowatt/square meters, multiply the amount in btu/hour·square feet by 0.0031545907. For example, 10 BTU/h·ft² = 0.031545907 kW/m². To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.

Convert heat flux density between W/m² and BTU per hour per square foot — used in boiler, HVAC and electronics cooling design.

Frequently asked questions

How many kilowatt/square meters are in one btu/hour·square foot?
One btu/hour·square foot is exactly 0.0031545907 kilowatt/square meters.
How do I convert BTU/h·ft² to kW/m²?
Multiply the BTU/h·ft² value by 0.0031545907 to get kW/m². The converter at the top of this page does this automatically and works in both directions.
How much is 100 btu/hour·square feet in kilowatt/square meters?
100 btu/hour·square feet equals 0.31545907 kilowatt/square meters.

Related heat flux density conversions