How it works
Fee = gross × percentage/100 + fixed fee
Input definitions
- Gross payment
- Enter the value in the labeled unit.
- Fee (%)
- Enter the value in the labeled unit.
- Fixed fee
- Enter the value in the labeled unit.
A worked example
- Gross payment
- 100
- Fee (%)
- 2.9
- Fixed fee
- 0.3
3.20
Assumptions & limits
User-defined fee model only; no provider quote, fee taxes, caps, tiers or FX charges.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.
Common questions
Are tax, overhead and refunds included automatically?
Only the costs and rates explicitly entered or described in the formula are included. Use consistent currencies and periods, and check what your own accounting policy requires.
How does the Custom processing fee tool work?
Fee = gross × percentage/100 + fixed fee.
What are the assumptions and limits of Custom processing fee?
User-defined fee model only; no provider quote, fee taxes, caps, tiers or FX charges.