Fork Oil Level Calculator
Calculate fork oil volume and air gap for suspension tuning.
Inputs
mm
mm
mm
lb
Results
Oil per Leg
435.7 mL
Total Oil Needed
871.4 mL
≈ 2 soda cans
Air Gap Volume158.4 mL
Adjusted Oil Level120 mm
Level Adjustment0 mm
Recommended Viscosity10W
How to Use This Calculator
- Enter Fork Tube Inner Diameter, Fork Tube Length, and Oil Level (from top).
- Set Oil Viscosity, 5W, and 10W.
- Adjust 15W, 20W as needed.
- Review Oil per Leg (mL) and Total Oil Needed (mL).
- Use Air Gap Volume (mL) and Adjusted Oil Level (mm) to inform your decision.
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