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Hexadecimal to Decimal Conversion Calculator

Applications and Design
Electronics and Instrumentation Design and Engineering

 

Hexadecimal to Decimal Conversion Calculator

Remarks

  • If number is not a valid hexadecimal number, calculator returns the #NUM! error value.
  • Number cannot contain more than 10 characters (40 bits).
  • The most significant bit of number is the sign bit. The remaining 39 bits are magnitude bits.
  • Negative numbers are represented using two's-complement notation.
Base 16
Hex
Base 10
Decimal
Equation
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
-
10
16
1 x 161 +0 x 160 = 16
11
17
1 x 161 +1 x 160 = 17
12
18
1 x 161 +2 x 160 = 18
13
19
1 x 161 +3 x 160 = 19
14
20
1 x 161 +4 x 160 = 20
15
21
1 x 161 +5 x 160 = 21
16
22
1 x 161 +6 x 160 = 22
17
23
1 x 161 +7 x 160 = 23
18
24
1 x 161 +8 x 160 = 24
19
25
1 x 161 +9 x 160 = 25
1A
26
1 x 161 +10 x 160 = 26
1B
27
1 x 161 +11 x 160 = 27
1C
28
1 x 161 +12 x 160 = 28
1D
29
1 x 161 +13 x 160 = 29
1E
30
1 x 161 +14 x 160 = 30
1F
31
1 x 161 +15 x 160 = 31
20
32
2 x 161 +0 x 160 = 32
30
48
3 x 161 +0 x 160 = 48
40
64
4 x 161 +0 x 160 = 64
50
80
5 x 161 +0 x 160 = 80
60
96
6 x 161 +0 x 160 = 96
70
112
7 x 161 +0 x 160 = 112
80
128
8 x 161 +0 x 160 = 128
90
144
9 x 161 +0 x 160 = 144
A0
160
10 x 161 +0 x 160 = 160
B0
176
11 x 161 +0 x 160 = 176
C0
192
12 x 161 +0 x 160 = 192
D0
208
13 x 161 +0 x 160 = 208
E0
224
14 x 161 +0 x 160 = 224
F0
240
15 x 161 +0 x 160 = 240
100
256
1 x 162 +0 x 161 +0 x 160 = 256
200
512
2 x 162 + 0 x 161 +0 x 160 = 512
300
768
3 x 162 + 0 x 161 +0 x 160 = 768
400
1024
4 x 162 + 0 x 161 +0 x 160 = 1024
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