Contact us
We read everything. Pick the address that fits and we’ll usually reply within a couple of working days.
Something looks wrong
A number that doesn't add up, a broken page, a formula that disagrees with your own maths. Tell us which calculator and what you expected — we fix these first.
[email protected]Suggest a calculator
Missing a tool you need? Describe the calculation and what you'd use it for. Suggestions drive most of what gets built next.
[email protected]Partnerships, press & advertising
Licensing, sponsorship, embedding our calculators, or a quote for an article.
[email protected]Privacy & data
Questions about how we handle data, or a request relating to your information.
[email protected]Faster than email
Every calculator page has a “Was this useful?” box at the bottom and a report link for wrong results. Those go straight into our queue with the calculator and your inputs attached, so they’re the quickest way to flag a specific problem. Browse all calculators to find the one you mean.
What we can’t help with
Calcvers is an informational tool. We can’t give personalised financial, medical, legal or tax advice, and we can’t review your individual numbers and tell you what to do — please speak to a qualified professional for that.
Please don’t send passwords, card numbers, or other sensitive personal details by email. We will never ask you for them.