Siding Calculator
Calculate how much siding you need for your home exterior. Works for vinyl, fiber cement, wood, and all siding types.
🏠 Enter Your Measurements
Combined length of all walls
Height of triangular gable area
Total area of windows and doors
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How to Calculate Siding for Your Home
Our siding calculator helps you estimate materials for vinyl, fiber cement, wood, and other siding types. Enter your wall dimensions, gable areas, and window/door openings to get accurate estimates.
What is a Square of Siding?
A "square" is an industry-standard measurement equal to 100 square feet of siding coverage. This is how siding is typically sold by manufacturers and contractors.
How Much Extra Siding Should I Order?
We recommend ordering 10-15% extra siding to account for:
- Cuts and waste around windows and doors
- Mistakes during installation
- Damaged pieces that may need replacement
- Complex architectural features
FAQ
How many squares of siding for a 1500 sq ft house?
A typical 1500 sq ft single-story home needs about 15-20 squares of siding, depending on layout and window/door openings.