Bundle Diameter Estimator

Calculate theoretical outer diameter of a wire bundle for conduit sizing.

Notice: JS Required.

Manual Calculation Formula:
Bundle OD = Wire OD * sqrt(Number of Wires * 1.15)
This assumes random packing of wires of similar sizes, using a 1.15 interstitial packing factor.

Number of Wires

Average OD per Wire (mm)

Est. Bundle OD

*Assumes 1.15 packing factor