Tool directory
Calculator directory
39 free trade calculators and counting. Search, filter by trade, and pin favorites for one-tap access on the job site.
Concrete, Masonry & Earthwork
Slabs, footings, rebar, block
Inputs L × W × thickness
Outputs Cubic yards · 80/60-lb bags · Order quantity
Inputs L × W × D per run
Outputs Cubic yards · Truckloads · Bags
Inputs Slab/footing dims + spacing
Outputs Linear feet · 20-ft sticks · Steel weight · Tie count
Inputs Diameter × depth × count
Outputs Cubic yards · Bags per pier
Inputs Wall L × H · block size · grout fill
Outputs Block count · Mortar bags · Grout yards · Rebar sticks
Framing, Carpentry & Roofing
Lumber, stairs, pitch, shingles
Inputs Plan L × W + pitch
Outputs Roofing squares · Bundles · Underlayment rolls
Inputs Total rise + run
Outputs Riser count · Unit rise/run · Stringer boards · IRC checks
Inputs Wall length + spacing
Outputs Stud count · Plates · Headers
Inputs Span + pitch + overhang
Outputs Rafter length · Cut angles · Stock length
Inputs T × W × L + count
Outputs Board feet · Piece count
Drywall, Tile & Finishes
Drywall, paint, flooring, tile
Inputs Room dims + openings
Outputs Stud count · Plate boards · Drywall sheets · Mud & tape
Inputs Wall/ceiling area + coats
Outputs Wall gallons · Ceiling gallons · Primer gallons
Inputs Floor area + box size
Outputs Flooring boxes · Underlayment rolls · Baseboard sticks
Inputs Area + tile size
Outputs Tile boxes · Thinset bags · Grout bags · Spacers
Inputs Area · R-value · type
Outputs Bags / bundles · Thickness · Net area
Inputs Perimeter · corners
Outputs Trim boards · Cut count · Caulk tubes
Inputs Area · style · depth
Outputs Bags / buckets · Primer gal · Mix water
Site Work, Decks & Fencing
Excavation, gravel, decks, fences
Inputs L × W × D · soil · truck
Outputs Bank yards · Loose yards · Truckloads
Inputs Length × exposed height
Outputs Wall blocks · Cap units · Drainage tons · Geogrid sq ft
Inputs Area · asphalt + base depth
Outputs HMA tons · Base tons · Square yards
Inputs Area × depth · material
Outputs Tons · Loose vs compacted yards
Inputs Deck W × projection
Outputs Joists · Decking planks · Posts · Concrete bags
Inputs Fence run · height · type
Outputs Posts · Rails · Pickets / rolls · Concrete bags
Inputs Patio area · paver size
Outputs Paver units · Base tons · Poly sand bags
Inputs Perimeter × height · gables
Outputs Siding squares · Housewrap rolls · Starter strips
MEP Quick-Check Estimators
Electrical, plumbing, HVAC
Inputs Run length + conductors
Outputs NEC fill % · Voltage drop % · Recommended size
Inputs Sq ft + climate zone
Outputs Cooling BTU · AC tons · Heating BTU · CFM
Inputs Room L × W
Outputs Fixture count · Spacing grid
Inputs Fixture counts + run
Outputs PEX coils · Main size · Fitting packs
Bidding, Markup & Financials
Markup, margin, overhead, bids
Inputs Cost + markup/margin
Outputs Bid price · Margin % · Markup % · Net profit
Inputs Wage + taxes + comp + PTO + benefits + efficiency
Outputs True cost per billable hour · Burden % multiplier · Annual cost breakdown
Inputs Trade unit + quantity + piece rate + crew + time
Outputs Total subcontract payout · Effective $/hr per worker · Units per man-hour
Inputs 5 annual cost buckets + billable days + profit target
Outputs Daily overhead cost · Hourly shop overhead · Minimum daily bid threshold
Inputs Fixed costs + margin
Outputs Break-even revenue · Jobs needed
Inputs CO cost + markup
Outputs CO price · Margin check
Field Converters & Master Proposal
Converters, fractions, trig
Inputs Tap-key dimension entry
Outputs Architectural result · Decimal + metric equivalents
Inputs Value + from/to units
Outputs Converted value · All-unit comparison table
Inputs Two sides
Outputs Hypotenuse · Angles
Inputs Bid cart lines + branding
Outputs Client-ready PDF proposal · Payment schedule · JSON backup