Tested
Board Foot Calculator
Board feet of lumber from thickness, width and length.
Construction Calculators
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Free construction calculators for everyday questions, from quick checks to detailed breakdowns.
Construction tools (10)
- Tested
Concrete Calculator
Cubic yards of concrete for a slab.
Construction Calculators
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Gravel Calculator
Cubic yards of gravel for an area.
Construction Calculators
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Lumber Weight Calculator
Weight of boards or beams from species, actual dimensions and quantity (air-dried, 12% moisture).
Construction Calculators
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Mulch Calculator
Cubic yards of mulch for a bed.
Construction Calculators
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Paint Calculator
Paint needed for a room.
Construction Calculators
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Sand Calculator
Cubic yards of sand for an area.
Construction Calculators
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Soil Calculator
Cubic yards of soil for an area.
Construction Calculators
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Square Footage Calculator
Area of a rectangular space in square feet, square metres and square yards.
Construction Calculators
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Wood Weight Calculator
Weight of a volume of wood by species (air-dried, 12% moisture).
Construction Calculators
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All construction calculators by topic (73)
Concrete
Earthwork
Estimating
Flooring
Insulation
Landscaping
Machining
Materials
Mechanical
Roofing
Volume
About construction calculators
Construction Calculators help you turn a question into a clear, checkable answer. Each tool lists its inputs, shows the formula it relies on and explains how to read the result.
Browse by topic using the filters, or search for a specific tool. Tools that are still being built are clearly marked as previews and are not presented as finished calculators.
Frequently asked questions
Are the construction calculators calculators free?
Yes. Every calculator on Calculator Atlas is free to use and requires no sign-up.
How are results verified?
A calculator is only published after its formula has been implemented, tested against independently computed reference values. It is an automated check, not a professional review.