Contractor calculators for the job site
Turn field measurements into purchase quantities, rough out remodeling budgets from your own allowances, and price the business side of contracting — from job estimates and labor burden to the revenue you need to break even.
Calculators in this collection
- Construction Estimate Calculator
Build a job price from costs, overhead, tax, and markup.
- Labor Burden Calculator
Turn an hourly wage into a loaded employer labor cost.
- Crew Labor Cost Calculator
Price a crew from headcount, hourly pay, burden, and hours.
- Change Order Calculator
Price added work with cost, markup, tax, and a revised contract.
- Progress Invoice / Retainage Calculator
Calculate a current draw, retainage, prior payments, and balance due.
- Roofing Shingle Calculator
Turn a roof footprint into squares, shingle bundles, and underlayment rolls.
- Drywall Sheet Calculator
Count 4×8 sheets, tape, and joint compound for a room.
- Wall Framing Calculator
Count studs and plate boards for a framed wall.
- Board Foot Calculator
Convert lumber dimensions into board feet and total cost.
- Insulation Calculator
Count insulation rolls or bags for an area and target R-value.
- Siding Calculator
Get net wall area, siding squares, and panel counts.
- Decking Calculator
Count deck boards and joists for a rectangular deck.
- Fence Calculator
Count fence posts, panels, rails, and concrete bags.
- Rebar Calculator
Count grid rebar runs, total length, weight, and bars to buy.
- Demolition Debris Calculator
Estimate debris volume, weight, and a dumpster size.
- Stair Calculator
Work out risers, treads, total run, and stringer length.
- Kitchen Remodel Cost Calculator
Build a kitchen budget from your own allowances and labor.
- Bathroom Remodel Cost Calculator
Total a bathroom budget from fixtures, tile, trades, and labor.
- Basement Finishing Cost Calculator
Budget a basement finish from area, your rate, and allowances.
- Room Addition Cost Calculator
Budget an addition from shell, finish, and site-work numbers.
- Window and Door Replacement Calculator
Price out replacing windows and doors, opening by opening.
- Contractor Break-Even Calculator
Find the revenue that covers overhead, owner pay, and profit.
Frequently asked questions
Do the material calculators replace a real takeoff from plans?
No. They convert your field measurements into planning quantities using standard geometry, common package sizes, and the waste percentage you choose. Complex roofs, patterned layouts, and code requirements can change quantities, so confirm against plans and your supplier before ordering.
Where do the prices in the remodeling budget calculators come from?
Entirely from you. Each budget combines the allowances, quantities, labor amounts, contingency, and markup you enter — the calculators never fill in national averages or present any figure as a guaranteed local price. Get real local quotes before committing money.