Spoke calculator

Calculate the correct spoke length with SpokeCalc. Please read disclaimer and use tooltips for guidance. Need help?

Lite version only calculates your desired spoke length.
In PRO version you can name your components, view tension details and access print sheet.

FRONT WHEEL

Hub

Type:

i
i
i
i
i
i
i
i
i
i
i
i
i
i

Rim

i
i
i
i

Lacing

i
i
i
LEFT SIDE

RIGHT SIDE

?

REAR WHEEL

Hub

Type:

i
i
i
i
i
i
i
i
i
i
i
i
i
i

Rim

i
i
i
i

Lacing

i
i
i
LEFT SIDE

RIGHT SIDE

?

Disclaimer

IMPORTANT: All measurements are in mm. Also, please enter all the measurements without units.
REMARKS: You can enter decimal values if desired. Make sure you use DOT(.) instead of comma(,) as a separator.
NOTE: This spoke calculator is intended for metal or stainless only and not titanium spokes.

This spoke calculator is provided only as a guide for your convenience in determining spoke lengths. It is provided on an "AS IS" and "WITH ALL FAULTS" basis only. For the calculation function to take place, the disclaimer must be accepted. Spoke calculator for classic hub type is Damon’s Rinard exact spoke calc, just rewritten as a web application. All the calculations should be the same. If you like this tool, please like it and share it.

HUB
L R
Type
Flange to center
Flange diameter
RIM
Type
Effective rim diameter
Max rim tension
LACING
Type
Spoke number
Lacing
Non-drive side spokes:
Drive side spokes:
Total weight:
Hub
Rim
Spokes
680 g

Max recommended tension

KgF

KgF

Left: Right:

Tension ratio

Right:

Left:

Bracing angles

INPUT ERROR

Please check the following inputs: