Have a question, found a mistake in one of our calculators, or want to suggest a new one? Send us a message using the form below and we will get back to you as soon as we can.
Please do not include sensitive personal or financial information (such as account numbers or passwords) in your message.
What to include in your message
- The name of the calculator and the web address of the page.
- The numbers you entered and the result you expected, if you think there is a mistake.
- The device and browser you use, if something does not display well on your phone or computer.
- Your idea, if you would like us to build a new calculator.
We read every message and aim to reply within a few business days. We cannot give personal financial, legal or tax advice, but we are glad to explain how a calculator works.