Mulch Calculator
Estimate mulch volume in cubic feet and cubic yards, then compare whole-bag quantities with an adjustable extra-material allowance.
Open calculatorPractical project calculators
Plan your project. Buy the right amount.
Clear material estimates for lawn, landscape, concrete, painting, and everyday DIY projects—before you head to the store.
Start here
Browse by category →Project calculators
Topsoil Calculator
Estimate topsoil by area and desired depth in cubic feet, cubic yards, and common whole-bag sizes.
Open calculatorGravel Calculator
Estimate gravel volume and approximate weight using project dimensions, depth, and an editable material density.
Open calculatorConcrete Calculator
Estimate slab concrete in cubic feet and cubic yards, plus planning equivalents for common 40, 60, and 80 lb bags.
Open calculatorGrass Seed Calculator
Calculate seed weight from lawn area and the application rate printed on your chosen seed product.
Open calculatorPaint Calculator
Estimate interior wall paint using room perimeter, wall height, openings, coats, and your paint’s editable coverage rate.
Open calculatorBuilt for the project aisle
A useful answer, not just a number
Measured vs. recommended
See the calculated material separately from an adjustable purchase allowance.
Units you actually buy
Compare cubic yards, cubic feet, pounds, gallons, and common package sizes.
Transparent math
Every calculator explains its formula, assumptions, and limits in plain language.