Spoke Length Calculator
Precision wheel building powered by exact trigonometric geometry
1. Rim Geometry
mm
Diameter from nipple seat to opposite nipple seat inside rim.
View Diagram
2. Hub Flange Dimensions
LEFT (Non-Drive / Disc)
mm
mm
RIGHT (Drive Side)
mm
mm
3. Hub Spoke Hole Diameter
mm
Standard hubs utilize 2.4mm – 2.6mm holes.
View Diagram
Calculation Results
LEFT SIDE
—
Exact Calculated
— mm
RIGHT SIDE
—
Exact Calculated
— mm
💡 Spoke Ordering Tip: Rounded values reflect standard 2mm spoke increments. If exact calculated length falls between even sizes (e.g. 293.4mm), round down to 293mm or 292mm depending on rim depth/nipple specs to prevent bottoming out threads.
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