Construction
151 tools available
Created by Kaushik Rabadiya
Construction Calculators: Construction calculators instantly estimate material quantities, dimensions, and costs for concrete, roofing, framing, and flooring projects.
Who it's for: Designed for contractors, DIY home improvers, and builders who need to plan material purchases accurately and avoid waste.
Explore Construction Calculators
Showing 36 of 151 calculators
AC tonnage
Instantly calculate ac tonnage using manualjcalculatedbtu, manualjcalculation, ceilingheight. Free, accurate construction calculator with real-world examples.
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Air changes per hour
Instantly calculate air changes per hour using air changes per hour, airflow cubic feet, area. Free, accurate construction calculator with real-world examples.
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Air conditioner BTU
Instantly calculate air conditioner btu using additionalpeople, calculatoroptions, ceilingheight. Free, accurate construction calculator with real-world example
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Aluminum weight
Instantly calculate aluminum weight using baseheight, density, height. Free, accurate construction calculator with real-world examples.
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Angle cut
Instantly calculate angle cut using along, aplank, ashort. Free, accurate construction calculator with real-world examples.
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Angle of depression
Instantly calculate angle of depression using angleofdepression, horizontaldistance, verticaldistance. Free, accurate construction calculator with real-world ex
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Asphalt
Instantly calculate asphalt using area, costperweight, density. Free, accurate construction calculator with real-world examples.
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Baluster
Instantly calculate baluster using baluster width, balusters needed, post number. Free, accurate construction calculator with real-world examples.
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Beam deflection
Instantly calculate beam deflection using ssmax, ssmid, areamomentofinertia. Free, accurate construction calculator with real-world examples.
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Beam load
Instantly calculate beam load using a1, a10, a2. Free, accurate construction calculator with real-world examples.
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Bending stress
Instantly calculate bending stress using i beam ix, i beam sx, i beam section bendingstress. Free, accurate construction calculator with real-world examples.
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Birdsmouth cut
Instantly calculate birdsmouth cut using building width, heel cut, height above plate. Free, accurate construction calculator with real-world examples.
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Board and batten
Instantly calculate board and batten using battenmaterial, battens, boardmaterial. Free, accurate construction calculator with real-world examples.
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Board foot
Instantly calculate board foot using board foot, length, no of pieces. Free, accurate construction calculator with real-world examples.
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Board on board fence
Instantly calculate board on board fence using fence height, fence length, number of pickets. Free, accurate construction calculator with real-world examples.
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Boiler size
Instantly calculate boiler size using age, bedroombaths, bedrooms. Free, accurate construction calculator with real-world examples.
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Bolt circle
Instantly calculate bolt circle using a, n, offsetx. Free, accurate construction calculator with real-world examples.
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Bolt torque
Instantly calculate bolt torque using boltmaterial, bolt dia, clamplingforce. Free, accurate construction calculator with real-world examples.
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Bowl segment
Instantly calculate bowl segment using cutting angle, inner diameter, inner fudge factor. Free, accurate construction calculator with real-world examples.
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Box fill
Instantly calculate box fill using aclamps, adevice, aground. Free, accurate construction calculator with real-world examples.
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Brick
Instantly calculate brick using bag weight, bags needed, brick height. Free, accurate construction calculator with real-world examples.
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Carbon equivalent
Instantly calculate carbon equivalent using b, c, ce aws. Free, accurate construction calculator with real-world examples.
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Carpet (rug)
Instantly calculate carpet (rug) using areacirc, areaeli, areahex. Free, accurate construction calculator with real-world examples.
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Cement
Instantly calculate cement using a, b, bag weight. Free, accurate construction calculator with real-world examples.
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CFM
Instantly calculate cfm using ach, airflow, area. Free, accurate construction calculator with real-world examples.
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Chicken coop size
Instantly calculate chicken coop size using area per 1 bantam, area per 1 regular, quantity bantam. Free, accurate construction calculator with real-world examp
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Clearance hole
Instantly calculate clearance hole using clearancehole, diameter, diameterhead. Free, accurate construction calculator with real-world examples.
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Concrete
Instantly calculate concrete using area, bag weight, bags. Free, accurate construction calculator with real-world examples.
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Concrete - column
Instantly calculate concrete - column using bag weight, bags, cement1. Free, accurate construction calculator with real-world examples.
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Concrete - tube
Instantly calculate concrete - tube using bag weight, bags, density. Free, accurate construction calculator with real-world examples.
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Concrete block
Instantly calculate concrete block using blockheight, blockprice, blockpricecustom. Free, accurate construction calculator with real-world examples.
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Concrete block fill
Instantly calculate concrete block fill using blockheight, blockthickness, blockwidth. Free, accurate construction calculator with real-world examples.
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Concrete cylinder
Instantly calculate concrete cylinder using bag weight, bags, cement1. Free, accurate construction calculator with real-world examples.
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Concrete driveway cost
Instantly calculate concrete driveway cost using concretecost, concreteprice, concretetotal. Free, accurate construction calculator with real-world examples.
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Concrete stairs
Instantly calculate concrete stairs using area carriage, area nosing, area step. Free, accurate construction calculator with real-world examples.
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Concrete weight
Instantly calculate concrete weight using concrete, density, volume. Free, accurate construction calculator with real-world examples.
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FAQs
Do construction calculators account for waste or offcuts?
Many of our construction tools include an optional 'waste percentage' field (typically 5-10%) so you can accurately order enough material for the job.
Are these estimates suitable for professional bidding?
They provide an excellent baseline for estimating quantities, though professionals should always verify final numbers against site-specific conditions and local building codes.
Information on this page is informed by ACI/ASTM engineering standards.