4 calculators in this category
- Beam Deflection CalculatorEuler–Bernoulli beam theory; IRC 2021 Table R301.7 / IBC 2021 Table 1604.3This calculator returns the maximum elastic deflection of a beam, together with the bending moment and end reactions that go…
- Section Modulus & Moment of Inertia CalculatorAWC NDS 2018 allowable stress design; NDS Supplement section propertiesThis calculator returns the two geometric properties that decide whether a beam is stiff enough and strong enough: the moment…
- Header & Beam Size CalculatorIRC 2021 R301.5 / R301.6 loads; AWC NDS 2018 allowable stress designThis calculator turns the loads over an opening into a header size. Give it the clear span, the tributary width of roof and…
- Roof Snow Load CalculatorASCE/SEI 7-16 Chapter 7Enter the ground snow load for your site and this calculator returns the balanced design snow load on your roof, following…
Which one do you need?
- Beam Deflection Calculator
- Calculate maximum deflection, bending moment and reactions for a simply supported or cantilever beam under uniform or point loads, and check L/360.
- Section Modulus & Moment of Inertia Calculator
- Calculate section modulus, moment of inertia and required S from a design moment for solid, built-up and hollow rectangular wood or steel beams.
- Header & Beam Size Calculator
- Size a load-bearing header from the roof and floor loads over the opening. Get the uniform load, design moment, required section modulus and candidate sizes.
- Roof Snow Load Calculator
- Convert ground snow load to flat and sloped roof design snow load using ASCE 7 exposure, thermal, importance and slope factors, plus rafter load.