数学

Hex Converter

Number Base Converter

Convert From

Enter Decimal Number

🌐

Detailed Guide Coming Soon

We're working on a comprehensive educational guide for the Hex Converter in your language. The content below is shown in English.

是什么 Hex Converter?

▾

A hexadecimal converter converts hex numbers to decimal, binary, and octal. Hex is ubiquitous in computing — used for memory addresses, colour codes, and encoding.

PrimeCalcPro provides professional-grade tools trusted by businesses and academics.

公式

▾

f(x)Hex to decimal: Σ (digit × 16^position); Decimal to hex: repeatedly divide by 16, collect remainders

变量说明

▾

符号	名称	单位	描述
H	Hexadecimal value	—	0-9, A-F
D	Decimal value	—	—
p	Digit position (rightmost = 0)	—	—

如何 Hex Converter

▾

1Hex to decimal: each digit × 16ⁿ, sum all
2Hex to binary: each hex digit = 4 bits directly
3Digits: 0–9 then A=10, B=11, C=12, D=13, E=14, F=15
40xFF = 255 decimal = 11111111 binary

例题解析

▾

示例 1

已知:Hex: 2A

结果:Decimal: 42 (2×16+10); Binary: 00101010

实际应用

▾

🏗️

Web design colour selection

🔬

Programming and debugging

📊

Network MAC addresses

🏥

Computer memory addressing

Hex Digit Reference

▾

Hex	Decimal	Binary
A	10	1010
B	11	1011
C	12	1100
D	13	1101
E	14	1110
F	15	1111
FF	255	11111111

常见问题

▾

Why use hexadecimal?

Base 16 is compact: 1 hex digit = 4 bits. More readable than binary for memory addresses, colour codes.

What are common hex uses?

Web colours (#FF0000 = red), memory addresses, MAC addresses, Unicode escape sequences.

How do I convert hex F9 to decimal?

F=15, 9=9. (15×16¹) + (9×16⁰) = 240 + 9 = 249 decimal.

参考资料

›Hexadecimal — Wikipedia

Mathematically verified

Reviewed October 2026

Our methodology

获取每周数学提示

加入 12,000+ 订阅者，每周都会获得计算器提示。

🔒

100% 免费

无需注册

✓

准确

经过验证的公式

⚡

即时

即时结果

📱

移动友好