Contact Us
We'd love to hear from you. Whether you've spotted an error in our rates, want to suggest a new calculator, or have a question about privacy or advertising, get in touch and we'll reply as soon as we can — usually within 2 business days.
The fastest way to reach us is by email. We read every message.
[email protected]What to contact us about
📊 Rate corrections
Found a tax rate or threshold that looks out of date? Tell us the calculator and the correct figure with a source, and we'll fix it quickly.
💡 Calculator requests
Need a calculator we don't offer yet? Suggestions help us decide what to build next.
📣 Advertising & partnerships
For advertising or partnership enquiries, email us with details of your proposal.
🔒 Privacy requests
Questions about how we handle data, cookies, or advertising — or a request relating to your privacy — are always welcome.
About the rates we publish
Every calculator is based on official sources — the IRS, HMRC, ATO, and CRA — and shows a "rates verified" date so you know how current it is. Our calculators are only useful if they're accurate, so we take corrections seriously and act on them fast.