Construction
Roofing Sheet Calculator
Calculate the number of roofing sheets, ridge caps, screws, and total cost.
Roof Shape
Length
m
Roof length (longest side)
Width
m
Roof width (shorter side)
Height / Rise
m
Height of triangle/trapezoid
Sheet Dimensions
m
×
m
Standard sheet size (length × width)
Material Prices
Per Sheet
$
Per Screw (100 pcs)
$
Sheet price per piece, screws per 100 pieces
Coverage
0%
Total Cost
$0
estimated total cost
Sheets Required
0
Ridge Caps
0
Screws Required
0
Roof Area
0 m²
📊 Material Breakdown
| Material | Quantity | Unit Cost | Total Cost |
|---|
How the formula works
Area = Length × Width (Rectangle) | Sheets = Area ÷ (Sheet Length × Sheet Width) | Add 10% Wastage
- Rectangle Area = Length × Width
- Triangle Area = ½ × Base × Height
- Trapezoid Area = ½ × (Top + Bottom) × Height
- Sheets Required = (Area × 1.1) ÷ (Sheet Length × Sheet Width)
- Ridge Caps = Length of ridge ÷ Standard cap length (2m)
- Screws = Approximately 6-8 screws per sheet