Calculator Hub

Browse all available construction calculators and pick the one that matches your job. Each calculator uses industry-standard formulas and runs entirely in your browser for quick planning on desktop and mobile. Need reference tables instead? Visit the chart hub.

7 calculators available

Concrete Slab Calculator

Calculates concrete volume for slabs, pads, and footings. Outputs cubic yards, bag quantities, and estimated material requirements based on entered dimensions.

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Paint Calculator | How Much Paint Do I Need? (By Square Feet, Room Size)

Free paint calculator by square feet. Find out paint coverage per gallon (interior/exterior), how much paint for a 10x12 room, bathroom, or garage. Includes step-by-step guide.

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Gravel Calculator | How Much Gravel Do I Need? (Tons, Cubic Yards)

Free gravel calculator: convert cubic yards to tons, calculate coverage per ton for driveways and paths. Pea gravel, crushed stone, and #57 gravel density charts included.

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Mulch Calculator | Yards, Bags and Cost Estimator

Use this mulch calculator to estimate how much mulch you need in cubic yards, cubic feet, and bags. Enter area, mulch depth, and price per yard to calculate volume, bags, and cost.

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Roofing Calculator | Shingles & Cost

Use this roofing calculator to estimate how many shingle bundles you need for your roof. Enter roof area or footprint dimensions with pitch to calculate bundles, squares, ridge cap, starter strip, underlayment, and estimated cost.

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Drywall Calculator | Sheets & Cost

Use this drywall calculator to estimate sheets, joint compound, tape, screws, weight, and cost. Supports quick area, room-by-room, and whole-house pro takeoff modes with finish levels and disposal planning.

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Flooring Calculator | Sq Ft & Cost

Free flooring calculator to measure square footage, estimate boxes/planks, and calculate flooring cost with waste factor. Works for LVP, laminate, hardwood, and tile.

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All Calculators

  • Concrete Slab Calculator — Estimate cubic yards, bags, and cost for slabs, pads, driveways, and footings based on length, width, and thickness.
  • Paint Calculator — Calculate gallons of paint and primer needed for interior and exterior walls, accounting for doors, windows, surface condition, and number of coats.
  • Gravel Calculator — Estimate cubic yards and tons of gravel for driveways, walkways, and landscaping, with waste and compaction allowances.
  • Mulch Calculator — Calculate cubic yards, cubic feet, and bags of mulch for landscape beds, flower gardens, and play areas.
  • Roofing Calculator — Estimate shingle bundles, squares, ridge cap, starter strip, and underlayment from roof area or building footprint with pitch.
  • Drywall Calculator — Estimate sheets, joint compound, tape, screws, weight, and cost with quick area, room-by-room, or whole-house modes.
  • Flooring Calculator — Calculate square footage, boxes, and cost for laminate, vinyl plank, hardwood, and tile with multi-room support and pattern-aware waste.

Printable Cheat Sheets

Download a one-page PDF reference for any calculator and keep it on the jobsite.

Need Printable References?

Visit the chart hub for quick lookup tables you can print and take on-site.

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