Calculator Comparison

See what SRAM, Silca, Vittoria and Wolf Tooth each recommend for one setup — and exactly where they disagree. Every formula is reverse-engineered from the original calculator.

01 Your setup
Weight
Width
Pressure
Width mounted on your rim, not the labelled size.
SRAM uses this to estimate effective tyre width.
Used by Silca only.
Advanced — Vittoria-specific & e-bike
02

Recommended pressures

Source Front Rear
How each calculator interpreted your inputs