Contact Us
We read every message. Response time is typically 1-2 business days.
Good reasons to contact us
Report a calculation error
Send us the calculator name, your inputs, the result you got, and what you believe is the correct answer with your source.
Request a calculator
Tell us what you need to calculate and why existing calculators don't work.
Technical issues
Describe what's broken (include your browser and device).
Send us an email
Report an error, request a calculator, or ask about technical issues.
hello@calcutotal.comWhat we can’t help with
- Homework help: We provide calculators and formulas, but can't solve problems for you.
- Financial advice: We calculate numbers, but don't advise on what you should do with them.
- Urgent responses: We're a small team. Allow 1-2 business days for replies.
Before you contact us
Check if your question is answered here.
Can you solve this math problem for me?
No. We provide calculators, not tutoring services.
Why isn't there a calculator for [specific thing]?
Either we haven't built it yet, or it requires information we can't standardize into a simple form. Request it using the contact form above.
How do I create an account?
You don't need one. All calculators are free to use without signing up.
Is my data saved?
No. We don't store the numbers you enter. Everything happens in your browser.
Response time
You’ll hear back within 1-2 business days. We fix calculation errors within 24 hours of verification.