Number Base Conversion

Use this tool to convert the numbers from one base to another. Any numbers in the popular number systems such as Binary, Octal, Decimal or Hexadecimal can be easily converted to each other.

** Select source and target number base as per your requirement, and then click GO to access your converter.

Popular Numerical Systems

Numerical SystemDigits in Numerical System
Binary (Base 2) 01
Octal (Base 8) 01234567
Decimal (Base 10) 0123456789
Hexadecimal (Base 16) 0123456789ABCDEF

Decimal, Octal, Hexadecimal, Binary Conversion Chart Table

Download as PDF
DecOctHexBin
0 0 0 0
1 1 1 1
2 2 2 10
3 3 3 11
4 4 4 100
5 5 5 101
6 6 6 110
7 7 7 111
8 10 8 1000
9 11 9 1001
10 12 A 1010
11 13 B 1011
12 14 C 1100
13 15 D 1101
14 16 E 1110
15 17 F 1111
16 20 10 10000
17 21 11 10001
18 22 12 10010
19 23 13 10011
20 24 14 10100
21 25 15 10101
22 26 16 10110
23 27 17 10111
24 30 18 11000
25 31 19 11001
26 32 1A 11010
27 33 1B 11011
28 34 1C 11100
29 35 1D 11101
30 36 1E 11110
31 37 1F 11111
32 40 20 100000
33 41 21 100001
34 42 22 100010
35 43 23 100011
36 44 24 100100
37 45 25 100101
38 46 26 100110
39 47 27 100111
40 50 28 101000
41 51 29 101001
42 52 2A 101010
43 53 2B 101011
44 54 2C 101100
45 55 2D 101101
46 56 2E 101110
47 57 2F 101111
48 60 30 110000
49 61 31 110001
50 62 32 110010
51 63 33 110011
52 64 34 110100
53 65 35 110101
54 66 36 110110
55 67 37 110111
56 70 38 111000
57 71 39 111001
58 72 3A 111010
59 73 3B 111011
60 74 3C 111100
61 75 3D 111101
62 76 3E 111110
63 77 3F 111111
DecOctHexBin
64 100 40 1000000
65 101 41 1000001
66 102 42 1000010
67 103 43 1000011
68 104 44 1000100
69 105 45 1000101
70 106 46 1000110
71 107 47 1000111
72 110 48 1001000
73 111 49 1001001
74 112 4A 1001010
75 113 4B 1001011
76 114 4C 1001100
77 115 4D 1001101
78 116 4E 1001110
79 117 4F 1001111
80 120 50 1010000
81 121 51 1010001
82 122 52 1010010
83 123 53 1010011
84 124 54 1010100
85 125 55 1010101
86 126 56 1010110
87 127 57 1010111
88 130 58 1011000
89 131 59 1011001
90 132 5A 1011010
91 133 5B 1011011
92 134 5C 1011100
93 135 5D 1011101
94 136 5E 1011110
95 137 5F 1011111
96 140 60 1100000
97 141 61 1100001
98 142 62 1100010
99 143 63 1100011
100 144 64 1100100
101 145 65 1100101
102 146 66 1100110
103 147 67 1100111
104 150 68 1101000
105 151 69 1101001
106 152 6A 1101010
107 153 6B 1101011
108 154 6C 1101100
109 155 6D 1101101
110 156 6E 1101110
111 157 6F 1101111
112 160 70 1110000
113 161 71 1110001
114 162 72 1110010
115 163 73 1110011
116 164 74 1110100
117 165 75 1110101
118 166 76 1110110
119 167 77 1110111
120 170 78 1111000
121 171 79 1111001
122 172 7A 1111010
123 173 7B 1111011
124 174 7C 1111100
125 175 7D 1111101
126 176 7E 1111110
127 177 7F 1111111
DecOctHexBin
128 200 80 10000000
129 201 81 10000001
130 202 82 10000010
131 203 83 10000011
132 204 84 10000100
133 205 85 10000101
134 206 86 10000110
135 207 87 10000111
136 210 88 10001000
137 211 89 10001001
138 212 8A 10001010
139 213 8B 10001011
140 214 8C 10001100
141 215 8D 10001101
142 216 8E 10001110
143 217 8F 10001111
144 220 90 10010000
145 221 91 10010001
146 222 92 10010010
147 223 93 10010011
148 224 94 10010100
149 225 95 10010101
150 226 96 10010110
151 227 97 10010111
152 230 98 10011000
153 231 99 10011001
154 232 9A 10011010
155 233 9B 10011011
156 234 9C 10011100
157 235 9D 10011101
158 236 9E 10011110
159 237 9F 10011111
160 240 A0 10100000
161 241 A1 10100001
162 242 A2 10100010
163 243 A3 10100011
164 244 A4 10100100
165 245 A5 10100101
166 246 A6 10100110
167 247 A7 10100111
168 250 A8 10101000
169 251 A9 10101001
170 252 AA 10101010
171 253 AB 10101011
172 254 AC 10101100
173 255 AD 10101101
174 256 AE 10101110
175 257 AF 10101111
176 260 B0 10110000
177 261 B1 10110001
178 262 B2 10110010
179 263 B3 10110011
180 264 B4 10110100
181 265 B5 10110101
182 266 B6 10110110
183 267 B7 10110111
184 270 B8 10111000
185 271 B9 10111001
186 272 BA 10111010
187 273 BB 10111011
188 274 BC 10111100
189 275 BD 10111101
190 276 BE 10111110
191 277 BF 10111111
DecOctHexBin
192 300 C0 11000000
193 301 C1 11000001
194 302 C2 11000010
195 303 C3 11000011
196 304 C4 11000100
197 305 C5 11000101
198 306 C6 11000110
199 307 C7 11000111
200 310 C8 11001000
201 311 C9 11001001
202 312 CA 11001010
203 313 CB 11001011
204 314 CC 11001100
205 315 CD 11001101
206 316 CE 11001110
207 317 CF 11001111
208 320 D0 11010000
209 321 D1 11010001
210 322 D2 11010010
211 323 D3 11010011
212 324 D4 11010100
213 325 D5 11010101
214 326 D6 11010110
215 327 D7 11010111
216 330 D8 11011000
217 331 D9 11011001
218 332 DA 11011010
219 333 DB 11011011
220 334 DC 11011100
221 335 DD 11011101
222 336 DE 11011110
223 337 DF 11011111
224 340 E0 11100000
225 341 E1 11100001
226 342 E2 11100010
227 343 E3 11100011
228 344 E4 11100100
229 345 E5 11100101
230 346 E6 11100110
231 347 E7 11100111
232 350 E8 11101000
233 351 E9 11101001
234 352 EA 11101010
235 353 EB 11101011
236 354 EC 11101100
237 355 ED 11101101
238 356 EE 11101110
239 357 EF 11101111
240 360 F0 11110000
241 361 F1 11110001
242 362 F2 11110010
243 363 F3 11110011
244 364 F4 11110100
245 365 F5 11110101
246 366 F6 11110110
247 367 F7 11110111
248 370 F8 11111000
249 371 F9 11111001
250 372 FA 11111010
251 373 FB 11111011
252 374 FC 11111100
253 375 FD 11111101
254 376 FE 11111110
255 377 FF 11111111