Free Home Renovation Calculators

Every tool below is free, runs in your browser, and explains the rule behind its answer.

• Bed Size Calculator — Match mattress size to sleeper height, position and who shares the bed.
• Sofa Size Calculator — Find a sofa length and depth your wall and walkway can actually handle.
• Rug Size Calculator — Pick a rug that anchors the furniture instead of floating in the middle.
• Wallpaper Calculator — Count rolls properly, including pattern repeat, openings and waste.
• Appliance Depreciation Calculator — See what your appliance is worth now, two ways.
• Bathroom Mirror Size Calculator — Size a mirror to your vanity and sinks, not the other way round.
• Electrical Power Cost Calculator — What any appliance really costs per day, month and year.
• Gas vs Electric Dryer Calculator — Compare running costs side by side and see the yearly winner.