Home Improvement Calculators
Free home improvement calculators to help you plan, estimate, and budget.
Back to all calculators.
Related Calculator Hubs
Free landscaping calculators for topsoil, mulch, gravel, river rock, sand, sod, pavers, pine straw, and other landscaping materials. Estimate quantities using transparent formulas and worked examples.
ADU Calculators with transparent formulas and editable inputs.
Free construction and building material calculators — covering framing, masonry, roofing, soil and aggregate volume, and more. Each calculator shows its exact formula and a worked example.
Home Improvement Calculators
- Lawn Mowing Cost CalculatorEstimate what a professional lawn mowing service should cost.
- Candle Wax CalculatorCalculate exactly how much wax and fragrance oil you need for your candle container.
- Firewood CalculatorCalculate stacked firewood volume in cubic feet and full-cord equivalents.
- Christmas Tree Light CalculatorEstimate Christmas tree light count and strand quantity from tree height, lights per foot and lights available on each strand.
- Recessed Lighting CalculatorEstimate recessed light count and spacing from room dimensions and target coverage.
- Square Footage CalculatorCalculate the square footage of a rectangular area.
- Aluminum Fence Cost CalculatorEstimate the installed cost of an aluminum fence based on fence length and average price per linear foot.
- Air Conditioning Installation Cost CalculatorEstimate central air conditioning installation cost from equipment, labor and project extras.
- Furnace and AC Replacement Cost CalculatorEstimate combined furnace and central AC replacement cost with labor and project adjustments.
- TV Mounting Height CalculatorEstimate TV center and bottom mounting height from seated eye level, viewing distance, screen size and preferred viewing angle.
- Pond Liner CalculatorCalculate recommended rectangular pond liner length and width with depth and overlap.
- Hardwood Floor Refinishing Cost CalculatorEstimate hardwood floor refinishing cost from floor area, sanding rate, finishing rate, repair allowance and moving costs.
- Carpet Cleaning Cost CalculatorEstimate carpet cleaning cost from cleaned area, price per square foot, room minimums, stairs and optional treatments.
- Artificial Turf Cost CalculatorEstimate artificial turf installation cost from lawn area, material rate, labor rate, preparation cost and optional extras.
- ADU ROI CalculatorEstimate accessory dwelling unit return on investment from project cost, expected rent, operating expenses, vacancy and estimated resale value added.
- ADU Calculator CaliforniaBuild a California ADU planning estimate from floor area, construction rate, design and permit allowances, utility work, site work and contingency.
- Home Inspection Cost CalculatorEstimate home inspection cost from base fee, home size surcharge, age surcharge and optional specialty inspections.
- Pressure Washing Estimate CalculatorEstimate pressure washing price from area, rate, minimum charge and add-ons.
- Accent Wall CalculatorEstimate accent wall paint coverage, material quantity, paint cost, labor cost and total project cost from wall dimensions and editable assumptions.
- Epoxy CalculatorEstimate epoxy volume from surface area, thickness, coats and waste.
Related Guides
- How to Calculate Paint for an Accent Wall
Learn how to measure an accent wall, subtract openings, account for coats and estimate the required paint quantity.
- How to Use the ADU ROI Calculator
Learn how to use the ADU ROI Calculator, check its formula and interpret the result.
- How to Use the ADU Calculator California
Learn how to use the ADU Calculator California, check its formula and interpret the result.
- Artificial Turf Cost Guide: Installation Price Breakdown for 2026
Understand what artificial turf installation really costs in 2026, what drives per-square-foot prices, and how to get an accurate estimate for your yard.
- Carpet Cleaning Cost Guide: What to Expect and How to Estimate
Understand professional carpet cleaning pricing in 2026 — per-room vs. per-square-foot rates, what methods cost different amounts, and when to clean vs. replace.
- Hardwood Floor Refinishing Cost: 2026 Prices & What Affects Them
Estimate hardwood floor refinishing costs for 2026. Covers per-square-foot rates, the sanding process, finish coats, staining, and when refinishing makes more sense than replacement.
- Home Inspection Cost Guide: What's Included & What to Expect
Understand home inspection costs in 2026, what a standard inspection covers, when to add specialized inspections, and how size affects the price.
- TV Mounting Height Guide: How High Should a TV Be Mounted?
Find the correct TV mounting height for any screen size and room. The center of the screen should be at seated eye level — about 42 inches — with adjustments for viewing distance and screen size.