Have feedback, found a bug, or want to suggest a feature? We'd love to hear from you.
Email: astl02r@gmail.com
Response time: We usually reply within 1–2 business days.
Is the calculator free? Yes, completely free. No signup, no paywall.
Do you store my data? No. All calculations run in your browser. See our Privacy Policy.
Can I suggest a feature? Absolutely. Use the form above or email us directly.