Hex to Decimal Converter
Convert hexadecimal (base 16) numbers to decimal (base 10)
Decimal Result
42
Step-by-Step Conversion
| Hex | Dec Value | Position | Power of 16 | Result |
|---|---|---|---|---|
| 2 | 2 | 1 | 16^1 = 16 | 2 × 16 = 32 |
| A | 10 | 0 | 16^0 = 1 | 10 × 1 = 10 |
Sum: 32 + 10 = 42
Hex Digit Values
0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
A
10
B
11
C
12
D
13
E
14
F
15
Common Hex Values
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
📚
Formula Source: NIST Guide to SI Units
by National Institute of Standards
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.