AC BTU Sizing
Calculate AC BTU Sizing instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
AC BTU Sizing
Area, m²
Ceiling height, m
BTU
9,775BTU/h
More about: AC BTU Sizing
What it calculates
The “AC BTU Sizing” calculator computes BTU in BTU/h from 2 parameters: area, m², ceiling height, m.
Used in design, material estimation, and structural calculations.
Example calculation
With parameters Area, m² = 25, Ceiling height, m = 2.7 the result is 9,775 BTU/h.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.