Free Trade & Home Improvement Calculators
Practical estimation tools for homeowners and trade businesses. No registration, no ads — just quick, accurate numbers.
Available in English
Solar Panel Cost Calculator
Annual savings, payback period and 25-year profit projection. US & Australia. Updated for 2026: the 30% federal credit expired Dec 31, 2025.
Open calculator →Heat Pump Savings & Payback Calculator
Compare gas, oil, propane or electric heating against an air-source heat pump: annual savings, payback, net cost after 2026 HEEHRA rebates, 15-year cash flow and CO₂ cut. Models backup heat and the expired 25C credit honestly.
Open calculator →Roof Replacement Cost Calculator
Roof area in m² and sq ft, roofing squares, 8 materials from asphalt to slate. Labor included.
Open calculator →Window Cost Calculator (US)
Replacement window costs by material (vinyl, wood, fiberglass) and size. Includes Energy Star guide and Low-E upgrades. Note: the federal 25C window credit expired Dec 31, 2025.
Open calculator →Garden Cost Calculator
Landscaping costs for lawn, patio, paths and planting. Three quality tiers with DIY savings.
Open calculator →German Exterior Shutters Calculator
Calculate the cost of retrofitting your US home with premium European Rollladen, Raffstore, or ZIP screens.
Open calculator →Schüco Windows Import Calculator
Estimate the cost of importing ultra high-end Schüco tilt-and-turn windows or lift-and-slide doors directly from Germany.
Open calculator →Concrete Calculator (US)
Calculate cubic yards, bags (40/60/80 lb) and ready-mix cost for slabs, footings and post holes. Imperial units, PSI grades, 10% waste included.
Open calculator →Drywall Calculator (US)
Sheets (4×8, 4×10, 4×12), joint compound, tape, screws & corner bead. Horizontal vs vertical hanging, waste by room complexity, DIY vs pro cost.
Open calculator →Flooring Calculator (US)
Estimate material and labor costs for LVP, hardwood, carpet, and tile. Includes waste factors, underlayment, and baseboards in sq ft.
Open calculator →Markup vs. Margin Calculator
Instantly convert between markup % and margin %. Enter cost, markup, or selling price — with trade benchmarks for 7 contractor types from NAHB and CFMA data.
Open calculator →Contractor Hourly Rate Calculator
Calculate the exact rate you need to charge to hit your income target, cover overhead, and earn a profit. Step-by-step waterfall with trade benchmarks from BLS and HomeGuide.
Open calculator →Contractor Overhead Calculator
Enter your 9 overhead line items and see your overhead %, overhead per billable hour, and the gross margin you must charge on every job. NCCI workers comp rates included.
Open calculator →Labor Burden Rate Calculator
A $28/hr carpenter costs $37–$42/hr once you add FICA, workers comp, health insurance, and PTO. Find the true cost per productive hour for 8 trades — the number to use when bidding.
Open calculator →Paint Calculator (US)
Exact gallons for walls, ceiling and primer based on room size, surface type and coats. DIY vs. professional cost comparison with PDCA labor benchmarks.
Open calculator →Insulation Calculator (US)
R-value gap, insulation thickness and project cost by DOE climate zone. Covers attic, walls, crawl space and basement for all 8 material types — batt, blown-in, spray foam and rigid foam.
Open calculator →HVAC Replacement Cost Calculator
Installed cost for AC, heat pump, mini-split and geothermal by tonnage, SEER2, brand and US region. Includes annual operating cost, payback period, 2023 minimums and 2026 tax credit status.
Open calculator →Kitchen Renovation Cost Calculator
Line-item estimate for cabinets (stock to custom), countertops, appliances, GC scope and flooring. Regional labor multipliers for all 50 states. Includes ROI data from Remodeling Magazine 2025.
Open calculator →Deck & Patio Cost Calculator
Installed cost for composite, PT lumber, cedar decks and concrete, paver, stone patios. Includes railing (wood to cable), stairs, pergola and regional labor adjustments.
Open calculator →Bathroom Renovation Cost Calculator
Line-item estimate for shower/tub (prefab to walk-in tile), vanity, toilet, flooring and renovation scope. Regional labor adjustments. Includes ROI data from Remodeling Magazine 2025.
Open calculator →More calculators (German only)
These tools are currently only available in German. Click to open — German is easy to navigate for the numbers.
Heat Pump Calculator
Heating load, grant & payback (DE)
Open →Tile Calculator
Tiles, adhesive & grout quantity (DE)
Open →Flooring Calculator
Area, waste & cost estimate (DE)
Open →PV Calculator (German)
German regions & EEG tariffs (DE)
Open →Energy Grant Calculator
BAFA/KfW grant amounts (DE)
Open →Concrete Calculator
Volume, mix & cost (DE)
Open →Looking for the full platform with 50+ calculators, trade guides and business tools?
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