Contact
Have a question, a bug report, or an idea for a new tool? We would love to hear from you.
Get in touch
Email us at hello@hardcalc.com and we will reply as soon as we can.
When reporting a problem, it helps to include which tool you were using and what browser and device you are on.
Tool requests
Building the tools people actually ask for is how this hub grows. Send your request and it may be next on the list.