Wheelpro spoke length calculator
This calculator can only be used for hubs and rims with equally spaced spoke holes.
I strongly recommend you measure the hubs and rims yourself, do not trust hub and rim data provided by others because it's often wrong and will result in inaccurate spoke lengths. Click the 
icons adjacent to the hub and rim for instructions on how to measure them.
Update 19 February 2016. Spoke lengths for straight pull hubs added.
If you want to know more about wheels and wheelbuilding then take a look at the wheelbuilding book. Currently at edition 6, but an update to edition 7 is in progress, so get this version and obtain a free copy of the next one when it becomes available.
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Roger Musson
Copyright © Wheelpro 2000-2016.
This calculator was designed and created at Wheelpro. No unauthorised copying.