FREE TOOLS FOR THE WORK AHEAD
Useful tools. No cost. Just results.
Eleven real construction calculators. No sign-up, no email wall, no hidden math. Every formula, assumption, limitation, worked example and FAQ is printed on the tool page.
Planning aids, not binding bids. Verify site conditions, local codes and supplier pricing.
Deck Material Calculator
Joists, decking, fasteners, footings, and concrete bags for a rectangular deck.
Open calculatorPaint Estimator
Finish and primer gallons from wall area, coats, and coverage.
Open calculatorDrywall Calculator
Sheets, mud, tape, and screws from wall and ceiling area.
Open calculatorRoofing Calculator
Squares, bundles, underlayment, and nails from roof area and pitch.
Open calculatorConcrete Volume Calculator
Cubic yards and bag counts for slabs and pads.
Open calculatorFlooring Calculator
Square footage with waste, box counts, and underlayment.
Open calculatorSiding Calculator
Squares to order from wall area, openings, and waste.
Open calculatorFence Material Calculator
Posts, pickets, rails, and post concrete for a straight run.
Open calculatorMarkup Calculator
Price from cost and markup — and the margin that markup really produces.
Open calculatorMargin Calculator
Gross profit, margin %, and equivalent markup from cost and price.
Open calculatorContractor Time-Cost Calculator
The weekly hours estimating, scheduling, and job-cost admin really take.
Open calculator
BUILD THE NEXT JOB ON WHAT YOU KNOW.
Bring your experience to Drevanto.
Beta applications are reviewed. An invitation is not a website team account.