Heat Flux Density conversion
1 kilowatt/square meter (kW/m²) equals 1,000 joule/square meter/second (J/(m²·s)). Enter any value below to convert from kW/m² to J/(m²·s).
Enter a value and choose units. Results update instantly.
1 kW/m² = 1,000 J/(m²·s)
| Unit | Value |
|---|---|
| Watt/square meter W/m² | 1,000 |
| Kilowatt/square meter kW/m² | 1 |
| Watt/square centimeter W/cm² | 0.1 |
| Watt/square inch W/in² | 0.6451599996 |
| Joule/square meter/second J/(m²·s) | 1,000 |
| Btu (IT)/square foot/second Btu/(ft²·s) | 0.0880550919 |
| Btu (IT)/square foot/minute Btu/(ft²·min) | 5.2833055106 |
| Btu (IT)/square foot/hour Btu/(ft²·h) | 316.9983306345 |
| Calorie (IT)/square centimeter/second cal/(cm²·s) | 0.0238845897 |
| Kilocalorie (IT)/square meter/hour kcal/(m²·h) | 859.845227859 |
| Kilocalorie (IT)/square meter/second kcal/(m²·s) | 0.2388458966 |
Formula
Use this relationship for a direct conversion:
2 kW/m² = 2,000 J/(m²·s).
SI relationships follow the cited reference. Conventional and domain-specific factors use the established ConvertWin factor inventory; verify safety-critical work against the governing standard.
Quick reference
| Kilowatt/square meter (kW/m²) | Joule/square meter/second (J/(m²·s)) |
|---|---|
| 0.01 | 10 |
| 0.1 | 100 |
| 1 | 1,000 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
From unit
Kilowatt/square meter (kW/m²) is a metric prefix multiple of the Watt/square meter (W/m²). 1 kW/m² = 1,000 W/m².
Symbol: kW/m²
To unit
Joule/square meter/second (J/(m²·s)) is the base unit of Heat Flux Density in the International System of Units (SI).
Symbol: J/(m²·s)
Keep converting
Source
The SI framework is checked against NIST Guide for the Use of the International System of Units; conventional factors come from the extended factor inventory. Calculations use full internal precision before display rounding.
View the complete heat flux density converterQuestions
Use the formula J/(m²·s) = kW/m² x 1,000. 1 kilowatt/square meter (kW/m²) equals 1,000 joule/square meter/second (J/(m²·s)).
SI relationships follow the cited reference. Conventional and domain-specific factors use the established ConvertWin factor inventory; verify safety-critical work against the governing standard.
