MEASURE ONCE. PLAN YOUR PURCHASE.
Triangle Area calculator.
Measure a triangular surface using a base and its perpendicular height.
Your inputs
Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.
YOUR ESTIMATE
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A clear estimate starts here.
Enter your dimensions and product details to see the quantity and purchase breakdown.
Formula and assumptions
BEHIND THE NUMBERS
How this calculation works.
The perpendicular height is not the sloping edge.
A = base × perpendicular height / 2Calculated with normalised units
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Base
- 4 m
- Perpendicular height
- 3 m
Triangular area: 6 m²
Before you purchase
Use dimensions from your plan and properties from your chosen product. Any design spacing, section or fixing pattern must already be specified.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-04. Calculation and review policy.