Total surface area
Calculate Total surface area instantly with the exact formula and a worked example. Free online calculator — no signup.
Total surface area
Base area
Perimeter
Apothem
Total surface area
96
More about: Total surface area
What it calculates
The “Total surface area” calculator computes Total surface area from 3 parameters: base area, perimeter, apothem.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters Base area = 36, Perimeter = 24, Apothem = 5 the result is 96.
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.