Home Improvement Cost Calculators
Start with the question you need answered. Use the renovation planner when you are still shaping a full budget, or open a dedicated calculator when you already know the job and need a more specific quantity or cost breakdown.
Choose by the question you are trying to answer.
HomeCostEngine separates project-budget tools from quantity and decision tools so you do not have to force one calculator to answer every part of a job.
Build a project budget
Start with renovation, roofing or HVAC when you need a broad project range.
Budget calculators →Calculate material quantity
Concrete, cubic yards, square footage, paint, flooring, mulch and roofing-square tools.
Quantity calculators →Compare a decision
Normalize contractor quotes, split labor/material and set a project contingency.
Decision tools →How these calculators are maintained
Inputs, formulas and limitations stay visible on the page. Major revisions are documented in the Editorial Update Log, and state or national planning assumptions are explained in the Cost Methodology.
Home Renovation Cost Calculator
Estimate kitchens, bathrooms, whole-home renovations, windows, siding, decks, basements, roofing, water heaters, electrical panels, garage doors and driveways.
Build a complete project budget →Roof Replacement Cost Calculator
Estimate cost by roof size, state, material, pitch, tear-off layers, decking, permits and contingency.
Estimate roof replacement cost →Concrete Calculator
Calculate how much concrete you need in cubic yards and estimate cost per yard.
Calculate concrete yards →HVAC Replacement Cost Calculator
Estimate HVAC replacement cost using home size, system type and efficiency.
Estimate HVAC replacement cost →Paint Calculator
Estimate how much paint you need, wall area, gallons required and paint material cost.
Calculate paint needed →Flooring Cost Calculator
Estimate flooring cost per square foot with material, waste and labor assumptions.
Estimate flooring cost →Mulch Calculator
Calculate cubic yards of mulch from landscape area and desired depth.
Calculate mulch →Square Footage Calculator
Calculate area for rectangles, squares and circles, with square-yard and acre conversions.
Calculate square footage →Cubic Yard Calculator
Convert length, width and depth into cubic yards with an optional waste allowance.
Calculate cubic yards →Gravel Driveway Cost Calculator
Estimate tons, cubic yards, material, delivery, site preparation and total driveway cost.
Calculate driveway cost →Roofing Square Calculator
Convert roof area into roofing squares, add waste and estimate shingle bundles.
Calculate roofing squares →Roof Decking Replacement Cost Calculator
Estimate 4×8 sheathing panels, installed cost per sheet, waste and a documented decking allowance.
Calculate decking replacement cost →Roof Tear-Off Cost Calculator
Estimate old-roof removal by roof area, material, layer count and a separate disposal allowance.
Calculate tear-off cost →Roof Underlayment Cost Calculator
Estimate rolls, overlap, material cost, labor and effective cost per square foot.
Calculate underlayment cost →Roof Flashing Cost Calculator
Build a line-item allowance for linear flashing, chimneys, vent boots and skylights.
Calculate flashing cost →Roof Drip Edge Cost Calculator
Estimate eave and rake length, stock pieces, waste and installed cost per linear foot.
Calculate drip edge cost →Roof Ventilation Cost Calculator
Build a cost allowance for ridge, soffit, static and powered vents from verified quantities.
Calculate ventilation cost →Roof Pitch Calculator
Convert rise/run, degrees or percent slope and estimate pitch factor, rafter length, roof surface area and roofing squares.
Calculate roof pitch & area →Project Contingency Calculator
Add a separate reserve for concealed conditions and project uncertainty.
Calculate contingency →Home Maintenance Budget
Estimate an annual and monthly reserve, then refine it by home components.
Plan maintenance reserve →Labor & Material Split
Separate an estimate into labor, materials and other project costs.
Split project cost →Contractor Quote Comparison
Compare three proposals by price, allowances, scope and warranty clarity.
Compare contractor quotes →Toilet Installation Cost Calculator
Combine local fixture and labor prices with removal, connections, repair allowances, permits and contingency.
Plan toilet installation cost →Choose the calculator that matches the decision in front of you
If you are still trying to understand the size of the overall budget, start with the renovation planner. If you already know the project and need more specific quantities or technical inputs, use a dedicated calculator. Then read the related guides for deeper questions such as roof replacement cost for a 2,000 sq ft house, HVAC replacement cost for a 2,000 sq ft house, window replacement cost per window, flooring cost per square foot, and cost to paint a room.