Decimal to Octal converter

Decimal to octal converter helps you to calculate a decimal value from a octal number. To use this converter tool, type any decimal number in the first area below. Hit the blue convert button and then you will see the octal result of the calculation. You can easily convert up to 19 decimal characters to octal in our converter.




The result of Decimal to Octal conversion in base numbers

Result

Decimal number

A decimal number system is positional numeral system employing 10 as the base. It uses 10 different symbols 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.
It is the standard system for denoting integer and non-integer numbers. Decimal number refers to the notation of number in the decimal system (base-10), which contains a decimal separator. In this system the number 423.15 represents the sum ( 4 × 102 ) + ( 2 × 101 ) + ( 3 × 100 ) + ( 1 × 10−1 ) + ( 5 × 10−2 ). Humans mostly use the decimal system.

Octal number

The octal numeral system (oct), is the base-8 number system, which uses the digits 0 - 7. In the octal system each place is a power of eight. It is used for examle as a shorthand for representing file permissions on UNIX systems.

 

Decimal octal conversion table

In the table below there are decimal to octal conversions for values 0 - 255. You can navigate the table using Previous and Next buttons. You can also sort the table by click on the header.

DecimalOctal
00
11
22
33
44
55
66
77
810
911
1012
1113
1214
1315
1416
1517
1620
1721
1822
1923
2024
2125
2226
2327
2430
2531
2632
2733
2834
2935
3036
3137
3240
3341
3442
3543
3644
3745
3846
3947
4050
4151
4252
4353
4454
4555
4656
4757
4860
4961
5062
5163
5264
5365
5466
5567
5670
5771
5872
5973
6074
6175
6276
6377
64100
65101
66102
67103
68104
69105
70106
71107
72110
73111
74112
75113
76114
77115
78116
79117
80120
81121
82122
83123
84124
85125
86126
87127
88130
89131
90132
91133
92134
93135
94136
95137
96140
97141
98142
99143
100144
101145
102146
103147
104150
105151
106152
107153
108154
109155
110156
111157
112160
113161
114162
115163
116164
117165
118166
119167
120170
121171
122172
123173
124174
125175
126176
127177
128200
129201
130202
131203
132204
133205
134206
135207
136210
137211
138212
139213
140214
141215
142216
143217
144220
145221
146222
147223
148224
149225
150226
151227
152230
153231
154232
155233
156234
157235
158236
159237
160240
161241
162242
163243
164244
165245
166246
167247
168250
169251
170252
171253
172254
173255
174256
175257
176260
177261
178262
179263
180264
181265
182266
183267
184270
185271
186272
187273
188274
189275
190276
191277
192300
193301
194302
195303
196304
197305
198306
199307
200310
201311
202312
203313
204314
205315
206316
207317
208320
209321
210322
211323
212324
213325
214326
215327
216330
217331
218332
219333
220334
221335
222336
223337
224340
225341
226342
227343
228344
229345
230346
231347
232350
233351
234352
235353
236354
237355
238356
239357
240360
241361
242362
243363
244364
245365
246366
247367
248370
249371
250372
251373
252374
253375
254376
255377

Examples of decimal to octal conversions

In the list below there are examples of dec to oct conversions.

  • Decimal 8 is 10 in octal.
  • Decimal 31 is 37 in octal.
  • Decimal 256 in 400 octal.

Back to Decimal to Octal converter