Construction
Concrete, paint, flooring, roofing — estimate materials before you build.
Concrete Calculator
Cubic yards of concrete and number of bags for any slab or footing.
Paint Calculator
Gallons of paint needed for a room, with door and window deductions.
Flooring Calculator
Square feet of flooring with waste allowance and box count.
Gravel Calculator
Cubic yards and tons of gravel for driveways, paths, and landscaping.
Mulch Calculator
Cubic yards and bags of mulch for garden beds and landscaping.
Fence Calculator
Posts, rails, and pickets needed for any wood fence.
Roof Pitch Calculator
Roof pitch in X:12, degrees, and area multiplier from rise and run.
Staircase Calculator
Steps, riser height, and total run for building a staircase.
Explore related categories
Popular across all categories
Mortgage Calculator
See your monthly payment, total interest, and PMI risk for any home loan.
Finance & MoneyLoan Calculator
Monthly payment, total interest, and total cost for any fixed-rate loan.
Health & FitnessBMI Calculator
Body mass index, WHO category, and your healthy weight range.
Math & EducationPercentage Calculator
Percent of a number, percent one number is of another, and percent change.
Developer ToolsJSON Formatter & Validator
Format, validate, and minify JSON with precise error messages.
Text ToolsWord Counter
Words, characters, sentences, paragraphs, and reading time — live.
PDF ToolsMerge PDF
Combine several PDF files into one, in any order.
Image ToolsImage Compressor
Shrink image file size with a live quality preview.