Bathroom exhaust CFM calculator
Estimate bathroom exhaust fan CFM class from floor area and moisture load.
Home & cleaning calculators and tools
Choose a paint finish, estimate coverage and compare pressure washer types for home maintenance and cleaning projects.
Choose a tool
Concrete slab volume (yd³)
Estimate rectangular slab volume in cubic feet and yards plus bag count from length, width, and thickness.
Cylinder lateral wrap area
Compute lateral surface area of a right circular cylinder from diameter and length for wrap or paint.
Dehumidifier pints calculator
Estimate commercial dehumidifier class from floor area and moisture load.
Evaporative cooler size calculator
Estimate portable evaporative cooler CFM class from floor area and ventilation.
Gravel tons from volume
Estimate gravel or aggregate tons from bed length, width, depth, and bulk density.
Manual tile cutter length calculator
Size a manual snap tile cutter by required cutting length across 24, 31.5, and 47 in classes, including square diagonals.
Paint coverage gallons
Estimate paint gallons from area, coats, and coverage rate.
Paint selector & coverage
Choose a finish and estimate paint for your next project.
Pressure washer sizing tool
Compare pressure washer types and cleaning output for the selected cleaning job.
Retractable garden hose reel reach calculator
Match farthest garden watering reach from a wall mount to a 50 or 100 ft retractable reel shopping class — or NO_MATCH when reach exceeds this ladder.
Roof pitch angle and slope
Convert roof rise and run into pitch angle, percent slope, and X-in-12 pitch for roofing discussions.
Utility pump GPH calculator
Match standing-water gallons and drain time to a 2,000 / 4,000 / 5,000 GPH utility pump that also clears your lift head.
Choose for the surface you are working on
Painting and cleaning both start with the surface. Identify its material, condition and the result you need before estimating supplies or selecting equipment.
- Paint coverage depends on the product, number of coats and surface preparation.
- For pressure washing, check the surface manufacturer's care instructions and suitable accessories.
- Check the language and market shown on each tool before using its product suggestions.