Write to contact@fee-math.com. We read every message and usually reply within a few working days.
What to write about
- An outdated rate or a result that does not match your statement. Please include the calculator link, the numbers you entered and, if possible, a link to the marketplace page with the current rate.
- A calculator you would like to see: a marketplace, payment service or tax that is not covered yet.
- Advertising, partnerships and press questions.
- Privacy requests, as described in the privacy policy.
What we cannot help with
We cannot access your marketplace account, resolve disputes with a marketplace or give individual tax, legal or financial advice. For those, contact the marketplace’s seller support or a qualified adviser.