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ExactUnit

Heat Density converter

Convert heat energy per area, also called areal energy density.

Unit converter
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1 J/m² = 0.001 kJ/m²

Results rounded to 12 significant digits.

All heat density conversions

Choose your starting unit. Each direction has its own calculator, formula, and examples.

Convert Joules per square meter

Convert Kilojoules per square meter

Convert Thermochemical calories per square centimeter

Convert Btu IT per square foot

Using heat density measurements

This family follows the heat-per-surface-area convention J/m². Volumetric heat density J/m³ would need a thickness to relate to it. Energy density is not a rate of heat flow. Carry the same physical assumptions into subsequent physics calculations.

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Heat DensityJoules per square meter to kilojoules per square meterHeat DensityJoules per square meter to thermochemical calories per square centimeterHeat DensityJoules per square meter to Btu IT per square footHeat DensityKilojoules per square meter to joules per square meterHeat DensityKilojoules per square meter to thermochemical calories per square centimeterHeat DensityKilojoules per square meter to Btu IT per square foot