Convert International table kilocalorie per hour per square metre to Thermochemical kilocalorie per hour per square metre

Convert International table kilocalorie per hour per square metre (kcal(IT)/(h·m²)) to Thermochemical kilocalorie per hour per square metre (kcal(th)/(h·m²)) instantly and accurately.

International table kilocalorie per hour per square metre (kcal(IT)/(h·m²))
Thermochemical kilocalorie per hour per square metre (kcal(th)/(h·m²))

Conversion Formula

kcal(th)/(h·m²) = kcal(IT)/(h·m²) × 1.000669216

About International table kilocalorie per hour per square metre

The international table kilocalorie per hour per square metre (kcal(IT)/(h·m²)) equals 4186.8/3600 ≈ 1.1633 W/m² (1 kcal(IT) = 4186.8 J; 1 h = 3600 s). The IT variant used in steam engineering, solar thermal collector standards, and process heat calculations. 1 kcal(IT)/(h·m²) ≈ 1.1633 W/m².

About Thermochemical kilocalorie per hour per square metre

The thermochemical kilocalorie per hour per square metre (kcal(th)/(h·m²)) equals 4184/3600 ≈ 1.1622 W/m² (1 kcal(th) = 4184 J; 1 h = 3600 s). Used in older continental European and Soviet-era building physics standards for wall and roof heat loss calculations. 1 kcal(th)/(h·m²) ≈ 1.1622 W/m².

Quick Reference Table

International table kilocalorie per hour per square metre (kcal(IT)/(h·m²))Thermochemical kilocalorie per hour per square metre (kcal(th)/(h·m²))
1 kcal(IT)/(h·m²)1.00067 kcal(th)/(h·m²)
2 kcal(IT)/(h·m²)2.00134 kcal(th)/(h·m²)
5 kcal(IT)/(h·m²)5.00335 kcal(th)/(h·m²)
10 kcal(IT)/(h·m²)10.0067 kcal(th)/(h·m²)
25 kcal(IT)/(h·m²)25.0167 kcal(th)/(h·m²)
50 kcal(IT)/(h·m²)50.0335 kcal(th)/(h·m²)
100 kcal(IT)/(h·m²)100.067 kcal(th)/(h·m²)

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