Rectangular Pool Liner Surface calculator.
Measure the floor and four wall surfaces of a rectangular constant-depth shell for a supplier quote.
Your inputs
Use measurements from your plan and properties from your chosen product. Any prefilled values are illustrative.
A clear estimate starts here.
Enter your dimensions and product details to see the quantity and purchase breakdown.
Formula and assumptions
How this calculation works.
Area alone does not specify a liner pattern or cut shape. Sloped floors, steps, fixtures and welding allowances require a separate supplier plan.
A worked example
Illustrative inputs only. Product properties and design dimensions are not recommendations for your project.
- Inside floor length
- 8 m
- Inside floor width
- 4 m
- Inside constant depth
- 1.5 m
- Supplier-specified additional fabrication area
- 2 m²
Surface plus supplied fabrication area: 70 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.
Area alone does not specify a liner pattern or cut shape. Sloped floors, steps, fixtures and welding allowances require a separate supplier plan.
Method: dimensional arithmetic and user-supplied specifications. Software checks: 2026-10-04. Calculation and review policy.