TikTok Shop UK Commission Calculator
Calculate TikTok Shop UK platform commission using TikTok's published formula and an editable commission rate.
What this tool calculates
Calculate TikTok Shop UK platform commission using TikTok's published formula and an editable commission rate. The main inputs on this page are Net sales, Customer-paid shipping, Platform discount, Net sales refund, Platform discount refund. The result is intended to be readable immediately, with the explanation below available when you need to verify the method.
Method and calculation basis
The result is calculated from the advertising or engagement values entered on the page. Ratios such as CPC, CPM, CTR and conversion rate must use consistent event counts and spend periods.
Worked examples
Simple verification
Start with small values where the expected scale of the answer is obvious.
Real-world use
Enter the actual values only after checking units and interpreting the output labels.
Understanding the result
The output should be read in the units shown beside the result. If you are comparing alternatives, keep all unchanged assumptions identical and alter one input at a time. That makes it easier to see which value is responsible for the difference.
Assumptions, edge cases and accuracy
Platform reporting definitions, attribution windows and delayed conversions can make dashboard figures differ from a simple ratio calculated from exported totals.
Sources and methodology
- Platform advertiser documentation — Metric definitions and attribution rules
- Instant Solvers methodology — Arithmetic ratios calculated from the entered totals
Method reviewed for Instant Solvers V10.0 · October 2026. If you find a calculation or explanation that needs correcting, use the site Contact page and include the tool URL and the values you entered.