Paint and Wall Calculators

Paint Calculator

Estimate how many gallons of paint you need for any room or surface. Accounts for doors, windows, and number of coats.

Calculate how many rolls of wallpaper you need based on room dimensions and pattern repeat.

Find out how many sheets of drywall you need for walls and ceilings, with waste factor included.

Estimate how much plaster, bonding agent, and joint compound you need to repair damaged walls or ceilings.

Estimate insulation needs for older homes while preserving wall cavities, vapor dynamics, and historic materials.

Find the correct counterweight for your double-hung or single-hung window sash so it raises and holds smoothly.