Paint Calculator
Figure out exactly how many gallons or litres of paint you need based on room size, doors, windows, and number of coats.
Calculate Paint NeededFree Tools
Home Improvement Calculators
Fast, accurate, no-nonsense calculators for your next home project. No sign-up, no clutter — just plug in your numbers and get an instant estimate.
Flooring Calculator
Estimate how much hardwood, laminate, vinyl, carpet, or tile you need, including a waste allowance for cuts and offcuts.
Calculate Flooring NeededConcrete Calculator
Estimate concrete volume for slabs, footings, columns, or circular footings/cylinders — in cubic feet, yards, and meters.
Calculate Concrete NeededTile Calculator
Figure out how many tiles and boxes you need for bathroom, kitchen, floor, or wall tiling projects.
Calculate Tiles NeededFence Calculator
Estimate posts, rails, and pickets or boards for privacy, picket, or horizontal fences, including gate deductions.
Calculate Fence MaterialsRent Affordability Calculator
Find a safe monthly rent range and a recommended maximum based on your income, debts, and other expenses.
Calculate Safe RentFirst Apartment Budget Calculator
Add up rent, deposit, moving, furniture, utilities, and supplies to get your total move-in cost and a recommended savings target.
Calculate Move-In BudgetMoving Cost Calculator
Estimate a realistic total moving cost range based on your apartment size, move distance, truck rental, labor, supplies, and fuel.
Calculate Moving CostRent Split Calculator
Split rent fairly between roommates, adjusting for room size, the master bedroom, and a private bathroom.
Calculate Rent SplitRoom Size Calculator
Find your room's total square footage and an estimated usable space after furniture, walkways, and doors.
Calculate Room SizeFurniture Fit Calculator
Check whether a piece of furniture fits your room with enough walking clearance — or if it's too large or a tight squeeze.
Check Furniture FitMoving Box Calculator
Estimate how many boxes you'll need based on your home size, household, and what you're packing, plus a suggested box size mix.
Estimate Moving BoxesElectricity Split Calculator
Split the electric bill fairly between roommates, adjusting for usage level, room size, and AC/heater use.
Calculate Electricity SplitStorage Space Calculator
Estimate your total storage volume and get a Small/Medium/Large size recommendation based on what you're storing.
Estimate Storage SpaceSecurity Deposit Calculator
Get an estimated security deposit range and total move-in cost based on your rent, pet fees, and state policy.
Estimate Security DepositWallpaper Calculator
Calculate how many wallpaper rolls you need based on wall dimensions and pattern repeat.
Why Use These Calculators?
Instant, client-side results
Every calculator on this page runs directly in your browser using JavaScript. There's no waiting on a server round-trip and no need to create an account.
Built for accuracy
Each tool uses the same formulas professional contractors rely on, and shows you exactly how the number was calculated so you can double-check it yourself.
Works in feet or meters
Switch between imperial and metric units depending on what's most convenient for your project.