Base 7 (Septenary) to Base 8 (Octal) conversion calculator

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1 b7 = 1 oct

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Base 7 (Septenary) to Base 8 (Octal) conversion formula

Base 7 (Septenary) to Base 8 (Octal) conversion formula

To convert from Base 7 (Septenary) to Base 8 (Octal), first convert the number to decimal (multiply each digit by 7 raised to the power of its position, counting from 0 at the right-hand end, and add the results), then convert the decimal number to Base 8 (Octal) (divide by 8 repeatedly and read the remainders from last to first).

Example: 202 b7 = 100 dec = 144 oct

Base 7 (Septenary) to Base 8 (Octal) calculation

1 b7 = 1 dec 1 dec = 1 oct

Base 8 (Octal) to Base 7 (Septenary) (Swap units)

 

 

Base 7 (Septenary) to Base 8 (Octal) table

Base 7 (Septenary) Base 8 (Octal)
0 0
1 1
2 2
3 3
4 4
5 5
6 6
10 7
11 10
12 11
13 12
14 13
15 14
16 15
20 16
21 17
22 20
23 21
24 22
25 23
26 24
30 25
31 26
32 27
33 30
Base 7 (Septenary) Base 8 (Octal)
34 31
35 32
36 33
40 34
41 35
42 36
43 37
44 40
45 41
46 42
50 43
51 44
52 45
53 46
54 47
55 50
56 51
60 52
61 53
62 54
63 55
64 56
65 57
66 60
100 61
Base 7 (Septenary) Base 8 (Octal)
101 62
102 63
103 64
104 65
105 66
106 67
110 70
111 71
112 72
113 73
114 74
115 75
116 76
120 77
121 100
122 101
123 102
124 103
125 104
126 105
130 106
131 107
132 110
133 111
134 112
Base 7 (Septenary) Base 8 (Octal)
135 113
136 114
140 115
141 116
142 117
143 120
144 121
145 122
146 123
150 124
151 125
152 126
153 127
154 130
155 131
156 132
160 133
161 134
162 135
163 136
164 137
165 140
166 141
200 142
201 143