You know all those videos you see about setting E Steps in Marlin? In Klipper we have rotation_distance in the extrusion section.
You should have already set this during these proceedures, if not, do them now BEFORE you follow the rest of this guide: https://docs.vorondesign.com/build/startup/#extruder-calibration-e-steps
Calculator: https://docs.google.com/spreadsheets/d/1HBQ3tBS9mwyUj1_yVTHpZ1Cl7MJMwlZ7g1gwFzFumBQ/edit?usp=sharing