Concrete Patio Calculator
Concrete volume for a patio slab.
Amortization schedule
| # | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
Showing first 12 of months.
Growth over time
| Year | Invested | Value |
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Introduction
Concrete Patio Calculator — Concrete volume for a patio slab. Enter Length (m), Width (m), Thickness (m), Waste (%) to get an instant, accurate result.
Formula
Volume = length × width × thickness, plus a waste percentage allowance, converted to cubic yards.
Step-by-step
- Enter the Length (m).
- Enter the Width (m).
- Enter the Thickness (m).
- Enter the Waste (%).
- Click Calculate to see your result instantly.
Real-world example
Example: With Length (m) = 4, Width (m) = 3, Thickness (m) = 0.1, Waste (%) = 10, the Concrete Patio Calculator gives Volume M3: 1.32, Volume Without Waste M3: 1.2, Volume Cubic Yards: 1.7265.
Frequently Asked Questions
What thickness works for a patio slab?
A standard 4 in (0.10 m) slab is typical for pedestrian-only patios not supporting vehicles.
How much extra should I order for waste?
10% is a common default for spillage and form imperfections; increase it for irregular shapes.
What inputs does the Concrete Patio Calculator need?
You'll need to provide: Length (m), Width (m), Thickness (m), Waste (%). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Concrete Patio Calculator?
The Concrete Patio Calculator applies the formula exactly as calculated — Volume = length × width × thickness, plus a waste percentage allowance, converted to cubic yards. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Concrete Patio Calculator free to use?
Yes, the Concrete Patio Calculator is completely free, requires no signup, and runs instantly in your browser.
About the Concrete Patio Calculator
The Concrete Patio Calculator uses a real, verifiable formula — Volume = length × width × thickness, plus a waste percentage allowance, converted to cubic yards. — so results are accurate every time, not an approximation.