Home & DIY Calculators

Free calculators for home improvement projects. Calculate materials, costs, and measurements.

Acreage Calculator

Calculate land area in acres from length and width. Converts to sq ft, hectares, sq m, and more.

Calculate square yardage from length and width. Includes unit conversion and optional cost estimation for carpet and flooring.

Calculate square footage for rooms and spaces. Get paint and flooring estimates.

Calculate how much paint you need for any room. Account for doors, windows, and multiple coats.

Calculate flooring needed for any room. Get boxes, cost estimates for laminate, hardwood, tile.

Calculate concrete for slabs, patios, driveways. Get cubic yards and number of bags needed.

Calculate fence materials: posts, rails, pickets, and concrete. Estimate costs by fence style.

Calculate mulch, gravel, or stone needed. Get cubic yards, bags, and weight for landscaping.

Calculate gravel, crushed stone, or pea gravel needed. Get cubic yards, tons, and cost estimates.

Calculate tiles needed for floors, walls, and surfaces. Account for grout gaps, box sizes, and costs.

Calculate BTU needed for AC and heating. Estimate AC size based on room size, insulation, climate, and more.

Calculate voltage drop for electrical wire runs. Check NEC compliance for copper and aluminum wiring.

Calculate how many gallons of water your pool holds. Supports rectangular, circular, oval, and oblong shapes.