We'd love to hear from you! Whether you've found a bug, have a suggestion for a new tool, or just want to say hello, drop us a line.
Bug Reports
Found a tool that's not working right? Let us know the tool name, what you entered, and what went wrong. Screenshots help too.
Feature Requests
Got an idea for a new calculator, solver, or utility? We're always building new tools and would love to hear what you need.
Calculation Questions
If a calculator result doesn't match your expectations, we're happy to explain the methodology and check if something needs fixing.
General Feedback
Tells us what you love, what you'd improve, or what's missing. We read every message.
We're a small team and we do this in our spare time, so please allow a few days for a response. We read every email and we'll get back to you as soon as we can.
Our calculators provide estimates for illustration purposes only — they are not financial advice.
If you need professional financial advice, please consult a qualified financial adviser. We cannot provide personalised financial recommendations via email.