Contact Us

Have a suggestion or found a bug? Let us know.

We read every message. Since all tools run entirely in your browser with no server, we don't store or have access to your data — so please don't include sensitive information in your message.

Suggest a new tool: Tell us what calculator you'd like to see added.

Report a bug: Include the tool name, what you entered, what you expected, and what happened instead.

General feedback: We'd love to hear how CalcInstant helped you.

Email us at: hr@calcinstant.com

We aim to respond within 2 business days.