DECIMAL Function in Excel: Any Base Back to a Number

⏱ 1 min readUpdated 28 September 2026

EngineeringLevel: IntermediateAvailable in: Excel 2013+

In this article
  1. Syntax
  2. Examples
  3. Example 1
  4. Related functions

DECIMAL reverses BASE.

Syntax

=DECIMAL(text, radix)
Argument What it means
radix 2 to 36.

Examples

Example 1

=DECIMAL("FF", 16)

255.

BASE · HEX2DEC

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