Hexadecimal to Decimal Conversion
Convert between Hexadecimal and Decimal quickly and accurately.
How to Convert Hexadecimal to Decimal
Conversion Formula
Example
Convert 15 hex to dec:
Unit Information
Learn about the numbers units you're converting between
Hexadecimal
hex
Definition
Hexadecimal is a base-16 numeral system using digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, and F. It is widely used in computer science, programming, and digital systems.
History/Origin
Hexadecimal became important with the development of computers. It maps easily to binary (4 bits per hex digit) and is more compact than binary for representing large numbers.
Current Use
Hexadecimal is used extensively in computer programming, memory addresses, color codes (RGB), debugging, and digital systems.
Multiplier
16
Offset
0
Decimal
dec
Definition
Decimal is a base-10 numeral system using digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. It is the most widely used numeral system in the world, forming the foundation of modern mathematics.
History/Origin
Decimal systems have been used for thousands of years, likely originating from counting on ten fingers. The Hindu-Arabic numeral system standardized decimal notation.
Current Use
Decimal is used in all aspects of daily life, mathematics, science, engineering, finance, and virtually every field that involves numbers.
Multiplier
10
Offset
0
Hexadecimal to Decimal Conversion Table
| Hexadecimal [hex] | Decimal [dec] |
|---|---|
| 1 hex | 1.6 dec |
| 10 hex | 16 dec |
| 25 hex | 40 dec |
| 50 hex | 80 dec |
| 100 hex | 160 dec |
| 0 hex | 0E+0 dec |
| -10 hex | -16 dec |
| -40 hex | -64 dec |
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