It has been my experience to never use a beam smaller than a two ply 2 x 8.
Wood beam span calculator metric.
Rafter and ceiling joist forces.
The beam calculator is a great tool to quickly validate forces in beams.
Use it to help you design steel wood and concrete beams under various loading conditions.
Another simple column calculator.
Beam span calculator for help simply click on the beside the section you need help with watch this tutorial video.
Span calculator for wood joists and rafters also available for the android os.
Tr15 acoustic calculator based upon the data and methodologies compiled in american wood council s technical report no.
Length of beam is the total including all spans of the beam in mm or ft.
Two point loads at one third points on a simple beam.
While every effort has been made to insure the accuracy of the information presented and special effort has been made to assure that the information reflects the state of the art neither the west coast lumber inspection bureau the american wood council nor its members assume any responsibility for any particular design prepared from this online span calculator.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
This calculator matches up with 90 of the applications in the 2012 international residential code book.
Uniformly loaded beam overhanging post calculator.
15 tr15 this calculator simplifies the calculation of sound transmission through wood frame floor and ceilings.
Most interior beams need to include the roof load.
Although all possible efforts have been made to ensure that the information from this tool is accurate the cwc cannot guarantee the completeness accuracy or exactness of the information.
The canadian wood council s beam calculator has been developed for the purpose of information only.
Combined axial and bending load calculator.
Area of the cross section is specific to the beam section selected and is defaulted to the values.
Steel i beam.
If there is are any questions about anything else then you should contact your supplier or an engineer.
Lumber species southern pine douglas fir douglas fir larch hemlock fir spruce pine fir redwood western cedar ponderosa pine red pine.
Wood to wood wood to concrete and wood to steel connections are possible.
Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
The properties of the beam and section are specified by typing directly into the input fields.
Also remember you can add results from beams together using the method of superposition.
Young s modulus is set to a default value of 200 000 mpa or 29000 ksi for structural steel but can be edited by the user.