Heat Density converter
Energy delivered per unit area, solar insolation totals and radiant exposure figures.
Converter
Quick pairs
tap to loadOne megajoule per square meter in every heat density unit
6 rows| Unit | Symbol | 1 MJ/m² equals |
|---|---|---|
| Joule per square meter | J/m² | 1,000,000 |
| Kilojoule per square meter | kJ/m² | 1,000 |
| Calorie per square centimeter | cal/cm² | 23.90057361 |
| Langley | Ly | 23.90057361 |
| BTU per square foot | BTU/ft² | 88.05509184 |
| Kilowatt-hour per square meter | kWh/m² | 0.2777777778 |
How the megajoule per square meter to btu per square foot conversion works
Multiply by 88.05509184 to go from megajoule per square meter to btu per square foot:
BTU/ft² = MJ/m² × 88.05509184
Going the other way, multiply by 0.01135652668, which is the same as dividing by 88.05509184.
Questions
How many btu per square foot are in one megajoule per square meter?
One megajoule per square meter equals 88.05509184 btu per square foot.
Which units does this heat density converter cover?
7 units in total, all referenced to the joule per square meter. They include joule per square meter, kilojoule per square meter, megajoule per square meter, calorie per square centimeter, langley, btu per square foot and more. Pick any pair from the two dropdown lists.
How precise are the results?
Every conversion is computed in your browser at double precision from the factors listed on this page, which follow the SI definitions and the exact international agreements for imperial and US customary units. Use the Decimals control to round the display without changing the underlying value.
Does anything I type leave my device?
No. The converter is plain JavaScript running locally, with no server round-trip, and the page keeps working offline once loaded.