Hex Calculator
Convert between hexadecimal and decimal numbers
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
Result—
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- Hex 1A3F → decimal → 6719
- Decimal 6719 → hex → 1A3F
Formula
Hex → decimal: sum each digit × 16position, counting from 0 on the right (A = 10 … F = 15). Decimal → hex: divide by 16 and map remainders 10-15 to A-F.
About Hex Calculator
Convert between hexadecimal and decimal numbers. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.
Frequently Asked Questions
Is this tool free to use? +
Yes, it is completely free with no registration or download required.
Is my data private? +
Yes. Everything is processed locally in your browser. Nothing is uploaded or stored on our servers.
Does it work on mobile? +
Yes, it works on any device — phone, tablet, or desktop.