Decimal to Hexadecimal Conversion

Convert between Decimal and Hexadecimal quickly and accurately.

dec
hex

How to Convert Decimal to Hexadecimal

Conversion Formula

1 dec = 0.625 hex
1 hex = 1.6 dec

Example

Convert 15 dec to hex:

15 dec = 15 × 0.625 hex = 9.375 hex

Unit Information

Learn about the numbers units you're converting between

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

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 to Hexadecimal Conversion Table

Decimal [dec] Hexadecimal [hex]
1 dec 0.625 hex
10 dec 6.25 hex
25 dec 15.625 hex
50 dec 31.25 hex
100 dec 62.5 hex
0 dec 0E+0 hex
-10 dec -6.25 hex
-40 dec -25 hex