Resources

Tubeless Sealant Calculator

A starting point for how much sealant your tires need.

Tire width

Lower end = lighter setup and faster rolling.
Upper end = more puncture protection and longer sealant life.

Suggested Starting Range

Per tire baseline.
Starting point
Milliliters
--
per tire
Fluid Ounces
--
per tire

How to use this

Select a tire width to see the starting range.

Important note

Assumes a properly seated tubeless tire. Add sealant if your casing is porous or you ride in very dry conditions, and always check your sealant brand's own guidance.

How much tubeless sealant should you use?

The amount of tubeless sealant needed depends primarily on tire volume. Narrow road tires need far less than high-volume gravel, mountain, plus, or fat bike tires. The calculator above gives a practical starting range by tire width.

Typical sealant amounts

  • Road tires (25-32 mm): about 30-60 ml
  • Gravel tires (35-50 mm): about 50-100 ml
  • Mountain bike tires (2.1-2.6"): about 70-150 ml
  • Plus tires (2.8-3.0"): about 120-180 ml
  • Fat bike tires (3.8-5.0"): about 170-240 ml

When should you add more?

Lean toward the higher end of the range if your tire casing is thin or porous, you ride rough terrain or sharp gravel, you want maximum puncture protection, or you prefer longer intervals between top-offs. For most riders, start with the recommended amount and adjust by conditions and how often the sealant needs refreshing.

Numbers are a starting point — if you want a second opinion on setup, ask us.

Talk it through with us →