Hex to Decimal Calculator Online

Use this free hex to decimal calculator online to convert hexadecimal numbers to decimal, binary and octal.

How the hex to decimal calculator online works

Each hex digit is a power of 16. For example 1A3F = 1×4096 + 10×256 + 3×16 + 15 = 6719.

Frequently asked questions

Can I include 0x?

Yes, a leading 0x is ignored.

Results are estimates for general information only. They are not a substitute for professional advice where applicable. Found a mistake? Report an error.