Converters

Hex to Decimal

A hex to decimal converter changes base-16 numbers into everyday base-10. Enter a hex value (digits 0–9, A–F) to get its decimal equivalent with the place-value working shown.

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Why base 16

Hexadecimal packs one of sixteen values into a single digit, which is why it is used for colors, memory addresses, and bytes. Each position is worth sixteen times the one to its right.

The conversion

Multiply each hex digit by the power of 16 matching its position and sum the results. The converter maps A–F to 10–15 for you and lays out every term.

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Frequently asked questions

1

How do I convert hex to decimal?

Hexadecimal is base 16, using digits 0–9 and letters A–F (where A = 10, F = 15). Multiply each digit by the matching power of 16 and add the results.

2

How do I read a hex number?

Count the hex digits and multiply each by its place value (16⁰, 16¹, 16² …) reading right to left. For example, 2F = 2×16 + 15 = 47.

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