Practical numbers for real projects.
Fast calculators with visible formulas, useful defaults, and regional material estimates. No account required.
Popular calculators
Our most useful tools for planning materials, costs, and dimensions.
Concrete Calculator
Estimate concrete volume, ready-mix yards, and bag quantities for rectangular or circular projects.
Fence Calculator
Estimate panels, posts, rails, gates, and waste for a fence run.
Gravel Calculator
Calculate cubic yards and tons for driveways, paths, and landscape projects.
Flooring Calculator
Estimate flooring area, waste, and the number of boxes to purchase.
Tire Size Calculator
Compare two metric tire sizes for diameter, circumference, percentage difference, and speedometer effect.
3D Print Cost Calculator
Estimate a 3D print’s material, electricity, machine-time, overhead, and marked-up selling price.
All calculators
No calculators match that search.
Each tool shows its formula, assumptions, and worked example.