Dosage calculator
The right amount. Every time.
Pick your formula, enter one tyre size, and get the exact dose per tyre — no guesswork.
01Choose your formula
02Enter one tyre size
Any format works — e.g. 165/70R16 · 180/55 ZR17 · 30.00/65 R33 · 4-9 · 13x5.00-6
03What you will need
OKO Cap
Applicator and valve-core tool in one
Included
Number of tyres
OKO Cap
Applicator and valve-core tool in one
Included
You spend
Extra tyre life
Find a distributor
In the UK? You can buy direct from OKO —
Make sure you choose the right OKO sealant for your vehicle before using this calculator. If you are unsure, seek advice from OKO or your local distributor before selecting and applying the sealant.