// multi-utility computation suite · offline · instant · precise
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env.heat-island Calculator
Estimates the urban heat island intensity — how many degrees Celsius hotter a city centre is than surrounding rural areas — based on impervious surface fraction and building density. Urban areas can be 1–7°C hotter than nearby countryside, dramatically affecting cooling energy loads.
Inputs
Impervious
Reference formula or conversion factor shown for context.
Tree Cover
Reference formula or conversion factor shown for context.
Albedo
Reference formula or conversion factor shown for context.
Baseline T
Reference formula or conversion factor shown for context.
Results
urban heat island effect (°C)
The value at the specified point or condition.
estimated urban temp
The value at the specified point or condition.
+1% tree cover saves
Reference formula or conversion factor shown for context.
+10% albedo saves
Fraction of incident light reflected by the surface. 0 = perfect absorber (black body). 1 = perfect reflector.
impervious surfaces
Reference formula or conversion factor shown for context.