Topsoil Calculator
Estimate topsoil by area and desired depth in cubic feet, cubic yards, and common whole-bag sizes.
Open calculatorPlan the materials for your next project
Choose a calculator, enter a few measurements, and get a transparent purchase estimate with useful units and assumptions.
Lawn & Garden
Grass Seed Calculator
Calculate seed weight from lawn area and the application rate printed on your chosen seed product.
Open calculatorLandscaping
Mulch Calculator
Estimate mulch volume in cubic feet and cubic yards, then compare whole-bag quantities with an adjustable extra-material allowance.
Open calculatorGravel Calculator
Estimate gravel volume and approximate weight using project dimensions, depth, and an editable material density.
Open calculatorConcrete & Masonry
Concrete Calculator
Estimate slab concrete in cubic feet and cubic yards, plus planning equivalents for common 40, 60, and 80 lb bags.
Open calculatorPainting
Paint Calculator
Estimate interior wall paint using room perimeter, wall height, openings, coats, and your paint’s editable coverage rate.
Open calculatorHome Improvement
Additional practical home improvement calculators are planned after the first six tools are validated.