Contact
Have questions, suggestions, or found a bug? We're here to help.
Write to us at hello@calcufast.com for general inquiries.
Suggestions
Tell us what calculators you'd like to see or how we can improve.
Response Time
We respond to most emails within 1-2 business days.
General Inquiries
For general questions about Calcufast, partnerships, or any other inquiry, send us an email.
Report a Bug
If you found an error in any calculator or a result that doesn't seem correct, please write to us with the details of the issue, including which calculator you used and what values you entered. This helps us fix the problem quickly.
New Calculator Suggestions
We're always looking to add useful calculators. If there's a tool you'd like to see on Calcufast, send us your suggestion and we'll evaluate it for inclusion in our upcoming updates.