Free home tools, no strings attached.
Every calculator runs right in your browser. No account, no email wall, nothing saved or sold. Get a real answer, then dig into the guides if you want the why.
Home Value
Read the guide →Home Value Estimator
Get a ballpark figure for what your home is worth today, based on size, location, and condition.
Increase Home Value Calculator
Start with your home's value, then add ROI-positive renovations to see your new estimated value and return.
Relocation Calculator
See where your home budget goes furthest — buy the same house for less, or a bigger home, across 700+ U.S. cities.
Finished Basement ROI Calculator
Estimate how much value finishing a basement adds, your net gain, and whether it pays back.
ADU Value Calculator
See the value an ADU adds plus rental income and payback — for a granny flat, garage conversion, or cottage.
Does a Pool Add Value?
Estimate what an in-ground pool adds (or costs you) — and the climate and market factors that decide.
Mortgage Payoff Calculator
See your monthly payment and an amortization graph — then add extra payments to pay off faster.
Home Equity Calculator
See how much of your home you own and roughly how much you could borrow against it.
Buy vs. Invest Calculator
See what you'd have if you rented and invested the difference instead of buying.
Rent vs. Buy Calculator
Enter price, rate, rent, and how long you'll stay — see which is cheaper, and your break-even year.
Free CAD room planners
See all planners →Kitchen Remodel Planner
Design your kitchen to scale — draw walls, drop in cabinets and appliances with snapping, get live layout warnings and a cost estimate, then export a DXF.
Bathroom Remodel Planner
Lay out a toilet, vanity, tub, and shower to scale with snapping and clearance warnings, see a live cost estimate, and export a DXF.
Laundry Room Planner
Place a washer, dryer, utility sink, and cabinets to scale — side-by-side or stacked — with a live cost estimate and CAD export.
Closet & Wardrobe Planner
Lay out hanging sections, shelving towers, drawers, and shoe storage along your closet walls, to scale, with a live cost estimate.
Home Office Planner
Position a desk, bookcase, filing cabinet, and shelves to scale, leave room for the chair, and export a DXF or scaled print.
Fence Builder
Draw a wood-privacy or chain-link fence to scale, add corners and gates, and get a materials list — posts, rails, pickets, concrete — with a cost estimate.
Deck Builder
Size a deck and get an auto framing plan — joists, beams, posts, footings — plus a full materials list (decking, lumber, hardware, concrete) and a cost estimate.
Paint Cost Planner
Draw your room with its real doors and windows — get exact gallons (openings subtracted), coats and primer suggested from your color change, a supplies list, and DIY vs pro cost.
Furniture Planner
Arrange your living room or bedroom to scale — sofas, sectionals, beds, dressers, media consoles, and rugs at real US sizes, with walkway and bed-clearance checks.
Renovation
Read the guide →Renovation ROI Calculator
Add projects line by line and see the real resale value each adds — or removes — before you commit.
Renovation ROI Calculator
Add projects line by line and see the real resale value each adds — or removes — before you commit.
Renovation Cost Estimator
Estimate your remodel by room, work type, and area using 2026 US prices — with a running total.
Drywall Calculator
Sheets (4×8/4×10/4×12), joint compound, tape and screws for your room — doors and windows subtracted, waste included.
HVAC Sizing (BTU)
What size AC and furnace you actually need — multi-factor load from insulation, climate, sun and windows, not the naive 20-BTU rule.
Painting Estimate Calculator
What a paint job should cost — labor hours from published production rates, materials, overhead and margin, as a line-itemed bid. Built for contractors, useful for checking a quote you were given.
Paint Coverage Chart
Square feet per gallon for every surface — smooth drywall, orange peel, knockdown, popcorn ceilings, trim, brick, stucco and primers — plus the quart-vs-gallon-vs-pail math.
Interior Painting Cost per Sq Ft
Why quotes look irreconcilable: $1–$3 per sq ft of wall and $3–$4.50 per sq ft of floor are both true. Conversion table, whole-house totals, and an honest look at the sources.
Paint Sheen Guide
Flat vs eggshell vs satin vs semi-gloss — what goes where, and why sheen does not change how far a gallon goes.
How Much Paint for a Room
A size chart for twelve common rooms — net wall area, gallons and exactly which cans to buy — plus the rule underneath it: wall paint follows the room's perimeter, not its floor area.
Paint Estimator
Add up your wall area room by room and get exactly how much paint to buy — gallons or litres.
Interior Design
Read the guide →Color Visualizer
See what paint really does to a room — pick a goal, add an accent wall, and try color schemes live.
Kitchen Color Visualizer
Test cabinet, countertop, and backsplash combos on a live kitchen — or start from a designer combo.
Design Style Quiz
Answer 8 quick questions to discover your decorating style — with a custom palette and next steps.