Convert Kilometers to Astronomical Units

Enter the number of kilometers to convert into astronomical units. Easy km to AU conversion.
1 Kilometer =
6.6845871 x 10-9 Astronomical Units
(rounded to 8 digits)
A kilometer, or kilometre, is a unit of length equal to 1,000 meters, or about 0.621 miles. In most of the world, it is the most common unit for measuring distance between places.
An astronomical unit is the average distance between the Earth and the Sun. Estimates of this distance have varied over time. It is now defined as exactly 149,597,870.7 kilometers.
Kilometers to Astronomical Units Conversion Table
(some results rounded)
km AU
1 6.6846 x 10-9
2 1.3369 x 10-8
3 2.0054 x 10-8
4 2.6738 x 10-8
5 3.3423 x 10-8
6 4.0108 x 10-8
7 4.6792 x 10-8
8 5.3477 x 10-8
9 6.0161 x 10-8
10 6.6846 x 10-8
11 7.3530 x 10-8
12 8.0215 x 10-8
13 8.6900 x 10-8
14 9.3584 x 10-8
15 1.0027 x 10-7
16 1.0695 x 10-7
17 1.1364 x 10-7
18 1.2032 x 10-7
19 1.2701 x 10-7
20 1.3369 x 10-7
21 1.4038 x 10-7
22 1.4706 x 10-7
23 1.5375 x 10-7
24 1.6043 x 10-7
25 1.6711 x 10-7
26 1.7380 x 10-7
27 1.8048 x 10-7
28 1.8717 x 10-7
29 1.9385 x 10-7
30 2.0054 x 10-7
31 2.0722 x 10-7
32 2.1391 x 10-7
33 2.2059 x 10-7
34 2.2728 x 10-7
35 2.3396 x 10-7
36 2.4065 x 10-7
37 2.4733 x 10-7
38 2.5401 x 10-7
39 2.6070 x 10-7
40 2.6738 x 10-7
41 2.7407 x 10-7
42 2.8075 x 10-7
43 2.8744 x 10-7
44 2.9412 x 10-7
45 3.0081 x 10-7
46 3.0749 x 10-7
47 3.1418 x 10-7
48 3.2086 x 10-7
49 3.2754 x 10-7
50 3.3423 x 10-7
51 3.4091 x 10-7
52 3.4760 x 10-7
53 3.5428 x 10-7
54 3.6097 x 10-7
55 3.6765 x 10-7
56 3.7434 x 10-7
57 3.8102 x 10-7
58 3.8771 x 10-7
59 3.9439 x 10-7
60 4.0108 x 10-7
61 4.0776 x 10-7
62 4.1444 x 10-7
63 4.2113 x 10-7
64 4.2781 x 10-7
65 4.3450 x 10-7
66 4.4118 x 10-7
67 4.4787 x 10-7
68 4.5455 x 10-7
69 4.6124 x 10-7
70 4.6792 x 10-7
71 4.7461 x 10-7
72 4.8129 x 10-7
73 4.8797 x 10-7
74 4.9466 x 10-7
75 5.0134 x 10-7
76 5.0803 x 10-7
77 5.1471 x 10-7
78 5.2140 x 10-7
79 5.2808 x 10-7
80 5.3477 x 10-7
81 5.4145 x 10-7
82 5.4814 x 10-7
83 5.5482 x 10-7
84 5.6151 x 10-7
85 5.6819 x 10-7
86 5.7487 x 10-7
87 5.8156 x 10-7
88 5.8824 x 10-7
89 5.9493 x 10-7
90 6.0161 x 10-7
91 6.0830 x 10-7
92 6.1498 x 10-7
93 6.2167 x 10-7
94 6.2835 x 10-7
95 6.3504 x 10-7
96 6.4172 x 10-7
97 6.4840 x 10-7
98 6.5509 x 10-7
99 6.6177 x 10-7
100 6.6846 x 10-7
101 6.7514 x 10-7
102 6.8183 x 10-7
103 6.8851 x 10-7
104 6.9520 x 10-7
105 7.0188 x 10-7
106 7.0857 x 10-7
107 7.1525 x 10-7
108 7.2194 x 10-7
109 7.2862 x 10-7
110 7.3530 x 10-7
111 7.4199 x 10-7
112 7.4867 x 10-7
113 7.5536 x 10-7
114 7.6204 x 10-7
115 7.6873 x 10-7
116 7.7541 x 10-7
117 7.8210 x 10-7
118 7.8878 x 10-7
119 7.9547 x 10-7
120 8.0215 x 10-7
121 8.0884 x 10-7
122 8.1552 x 10-7
123 8.2220 x 10-7
124 8.2889 x 10-7
125 8.3557 x 10-7
126 8.4226 x 10-7
127 8.4894 x 10-7
128 8.5563 x 10-7
129 8.6231 x 10-7
130 8.6900 x 10-7
131 8.7568 x 10-7
132 8.8237 x 10-7
133 8.8905 x 10-7
134 8.9573 x 10-7
135 9.0242 x 10-7
136 9.0910 x 10-7
137 9.1579 x 10-7
138 9.2247 x 10-7
139 9.2916 x 10-7
140 9.3584 x 10-7
141 9.4253 x 10-7
142 9.4921 x 10-7
143 9.5590 x 10-7
144 9.6258 x 10-7
145 9.6927 x 10-7
146 9.7595 x 10-7
147 9.8263 x 10-7
148 9.8932 x 10-7
149 9.9600 x 10-7
km AU
150 1.0027 x 10-6
151 1.0094 x 10-6
152 1.0161 x 10-6
153 1.0227 x 10-6
154 1.0294 x 10-6
155 1.0361 x 10-6
156 1.0428 x 10-6
157 1.0495 x 10-6
158 1.0562 x 10-6
159 1.0628 x 10-6
160 1.0695 x 10-6
161 1.0762 x 10-6
162 1.0829 x 10-6
163 1.0896 x 10-6
164 1.0963 x 10-6
165 1.1030 x 10-6
166 1.1096 x 10-6
167 1.1163 x 10-6
168 1.1230 x 10-6
169 1.1297 x 10-6
170 1.1364 x 10-6
171 1.1431 x 10-6
172 1.1497 x 10-6
173 1.1564 x 10-6
174 1.1631 x 10-6
175 1.1698 x 10-6
176 1.1765 x 10-6
177 1.1832 x 10-6
178 1.1899 x 10-6
179 1.1965 x 10-6
180 1.2032 x 10-6
181 1.2099 x 10-6
182 1.2166 x 10-6
183 1.2233 x 10-6
184 1.2300 x 10-6
185 1.2366 x 10-6
186 1.2433 x 10-6
187 1.2500 x 10-6
188 1.2567 x 10-6
189 1.2634 x 10-6
190 1.2701 x 10-6
191 1.2768 x 10-6
192 1.2834 x 10-6
193 1.2901 x 10-6
194 1.2968 x 10-6
195 1.3035 x 10-6
196 1.3102 x 10-6
197 1.3169 x 10-6
198 1.3235 x 10-6
199 1.3302 x 10-6
200 1.3369 x 10-6
201 1.3436 x 10-6
202 1.3503 x 10-6
203 1.3570 x 10-6
204 1.3637 x 10-6
205 1.3703 x 10-6
206 1.3770 x 10-6
207 1.3837 x 10-6
208 1.3904 x 10-6
209 1.3971 x 10-6
210 1.4038 x 10-6
211 1.4104 x 10-6
212 1.4171 x 10-6
213 1.4238 x 10-6
214 1.4305 x 10-6
215 1.4372 x 10-6
216 1.4439 x 10-6
217 1.4506 x 10-6
218 1.4572 x 10-6
219 1.4639 x 10-6
220 1.4706 x 10-6
221 1.4773 x 10-6
222 1.4840 x 10-6
223 1.4907 x 10-6
224 1.4973 x 10-6
225 1.5040 x 10-6
226 1.5107 x 10-6
227 1.5174 x 10-6
228 1.5241 x 10-6
229 1.5308 x 10-6
230 1.5375 x 10-6
231 1.5441 x 10-6
232 1.5508 x 10-6
233 1.5575 x 10-6
234 1.5642 x 10-6
235 1.5709 x 10-6
236 1.5776 x 10-6
237 1.5842 x 10-6
238 1.5909 x 10-6
239 1.5976 x 10-6
240 1.6043 x 10-6
241 1.6110 x 10-6
242 1.6177 x 10-6
243 1.6244 x 10-6
244 1.6310 x 10-6
245 1.6377 x 10-6
246 1.6444 x 10-6
247 1.6511 x 10-6
248 1.6578 x 10-6
249 1.6645 x 10-6
250 1.6711 x 10-6
251 1.6778 x 10-6
252 1.6845 x 10-6
253 1.6912 x 10-6
254 1.6979 x 10-6
255 1.7046 x 10-6
256 1.7113 x 10-6
257 1.7179 x 10-6
258 1.7246 x 10-6
259 1.7313 x 10-6
260 1.7380 x 10-6
261 1.7447 x 10-6
262 1.7514 x 10-6
263 1.7580 x 10-6
264 1.7647 x 10-6
265 1.7714 x 10-6
266 1.7781 x 10-6
267 1.7848 x 10-6
268 1.7915 x 10-6
269 1.7982 x 10-6
270 1.8048 x 10-6
271 1.8115 x 10-6
272 1.8182 x 10-6
273 1.8249 x 10-6
274 1.8316 x 10-6
275 1.8383 x 10-6
276 1.8449 x 10-6
277 1.8516 x 10-6
278 1.8583 x 10-6
279 1.8650 x 10-6
280 1.8717 x 10-6
281 1.8784 x 10-6
282 1.8851 x 10-6
283 1.8917 x 10-6
284 1.8984 x 10-6
285 1.9051 x 10-6
286 1.9118 x 10-6
287 1.9185 x 10-6
288 1.9252 x 10-6
289 1.9318 x 10-6
290 1.9385 x 10-6
291 1.9452 x 10-6
292 1.9519 x 10-6
293 1.9586 x 10-6
294 1.9653 x 10-6
295 1.9720 x 10-6
296 1.9786 x 10-6
297 1.9853 x 10-6
298 1.9920 x 10-6
km AU
299 1.9987 x 10-6
300 2.0054 x 10-6
305 2.0388 x 10-6
310 2.0722 x 10-6
315 2.1056 x 10-6
320 2.1391 x 10-6
325 2.1725 x 10-6
330 2.2059 x 10-6
335 2.2393 x 10-6
340 2.2728 x 10-6
345 2.3062 x 10-6
350 2.3396 x 10-6
355 2.3730 x 10-6
360 2.4065 x 10-6
365 2.4399 x 10-6
370 2.4733 x 10-6
375 2.5067 x 10-6
380 2.5401 x 10-6
385 2.5736 x 10-6
390 2.6070 x 10-6
395 2.6404 x 10-6
400 2.6738 x 10-6
405 2.7073 x 10-6
410 2.7407 x 10-6
415 2.7741 x 10-6
420 2.8075 x 10-6
425 2.8409 x 10-6
430 2.8744 x 10-6
435 2.9078 x 10-6
440 2.9412 x 10-6
445 2.9746 x 10-6
450 3.0081 x 10-6
455 3.0415 x 10-6
460 3.0749 x 10-6
465 3.1083 x 10-6
470 3.1418 x 10-6
475 3.1752 x 10-6
480 3.2086 x 10-6
485 3.2420 x 10-6
490 3.2754 x 10-6
495 3.3089 x 10-6
500 3.3423 x 10-6
505 3.3757 x 10-6
510 3.4091 x 10-6
515 3.4426 x 10-6
520 3.4760 x 10-6
525 3.5094 x 10-6
530 3.5428 x 10-6
535 3.5763 x 10-6
540 3.6097 x 10-6
545 3.6431 x 10-6
550 3.6765 x 10-6
555 3.7099 x 10-6
560 3.7434 x 10-6
565 3.7768 x 10-6
570 3.8102 x 10-6
575 3.8436 x 10-6
580 3.8771 x 10-6
585 3.9105 x 10-6
590 3.9439 x 10-6
595 3.9773 x 10-6
600 4.0108 x 10-6
605 4.0442 x 10-6
610 4.0776 x 10-6
615 4.1110 x 10-6
620 4.1444 x 10-6
625 4.1779 x 10-6
630 4.2113 x 10-6
635 4.2447 x 10-6
640 4.2781 x 10-6
645 4.3116 x 10-6
650 4.3450 x 10-6
655 4.3784 x 10-6
660 4.4118 x 10-6
665 4.4453 x 10-6
670 4.4787 x 10-6
675 4.5121 x 10-6
680 4.5455 x 10-6
685 4.5789 x 10-6
690 4.6124 x 10-6
695 4.6458 x 10-6
700 4.6792 x 10-6
705 4.7126 x 10-6
710 4.7461 x 10-6
715 4.7795 x 10-6
720 4.8129 x 10-6
725 4.8463 x 10-6
730 4.8797 x 10-6
735 4.9132 x 10-6
740 4.9466 x 10-6
745 4.9800 x 10-6
750 5.0134 x 10-6
755 5.0469 x 10-6
760 5.0803 x 10-6
765 5.1137 x 10-6
770 5.1471 x 10-6
775 5.1806 x 10-6
780 5.2140 x 10-6
785 5.2474 x 10-6
790 5.2808 x 10-6
795 5.3142 x 10-6
800 5.3477 x 10-6
805 5.3811 x 10-6
810 5.4145 x 10-6
815 5.4479 x 10-6
820 5.4814 x 10-6
825 5.5148 x 10-6
830 5.5482 x 10-6
835 5.5816 x 10-6
840 5.6151 x 10-6
845 5.6485 x 10-6
850 5.6819 x 10-6
855 5.7153 x 10-6
860 5.7487 x 10-6
865 5.7822 x 10-6
870 5.8156 x 10-6
875 5.8490 x 10-6
880 5.8824 x 10-6
885 5.9159 x 10-6
890 5.9493 x 10-6
895 5.9827 x 10-6
900 6.0161 x 10-6
905 6.0496 x 10-6
910 6.0830 x 10-6
915 6.1164 x 10-6
920 6.1498 x 10-6
925 6.1832 x 10-6
930 6.2167 x 10-6
935 6.2501 x 10-6
940 6.2835 x 10-6
945 6.3169 x 10-6
950 6.3504 x 10-6
955 6.3838 x 10-6
960 6.4172 x 10-6
965 6.4506 x 10-6
970 6.4840 x 10-6
975 6.5175 x 10-6
980 6.5509 x 10-6
985 6.5843 x 10-6
990 6.6177 x 10-6
995 6.6512 x 10-6
1,000 6.6846 x 10-6
1,100 7.3530 x 10-6
1,200 8.0215 x 10-6
1,300 8.6900 x 10-6
1,400 9.3584 x 10-6
1,500 1.0027 x 10-5
1,600 1.0695 x 10-5
1,700 1.1364 x 10-5
km AU
1,800 1.2032 x 10-5
1,900 1.2701 x 10-5
2,000 1.3369 x 10-5
2,100 1.4038 x 10-5
2,200 1.4706 x 10-5
2,300 1.5375 x 10-5
2,400 1.6043 x 10-5
2,500 1.6711 x 10-5
2,600 1.7380 x 10-5
2,700 1.8048 x 10-5
2,800 1.8717 x 10-5
2,900 1.9385 x 10-5
3,000 2.0054 x 10-5
3,100 2.0722 x 10-5
3,200 2.1391 x 10-5
3,300 2.2059 x 10-5
3,400 2.2728 x 10-5
3,500 2.3396 x 10-5
3,600 2.4065 x 10-5
3,700 2.4733 x 10-5
3,800 2.5401 x 10-5
3,900 2.6070 x 10-5
4,000 2.6738 x 10-5
4,100 2.7407 x 10-5
4,200 2.8075 x 10-5
4,300 2.8744 x 10-5
4,400 2.9412 x 10-5
4,500 3.0081 x 10-5
4,600 3.0749 x 10-5
4,700 3.1418 x 10-5
4,800 3.2086 x 10-5
4,900 3.2754 x 10-5
5,000 3.3423 x 10-5
5,100 3.4091 x 10-5
5,200 3.4760 x 10-5
5,300 3.5428 x 10-5
5,400 3.6097 x 10-5
5,500 3.6765 x 10-5
5,600 3.7434 x 10-5
5,700 3.8102 x 10-5
5,800 3.8771 x 10-5
5,900 3.9439 x 10-5
6,000 4.0108 x 10-5
6,100 4.0776 x 10-5
6,200 4.1444 x 10-5
6,300 4.2113 x 10-5
6,400 4.2781 x 10-5
6,500 4.3450 x 10-5
6,600 4.4118 x 10-5
6,700 4.4787 x 10-5
6,800 4.5455 x 10-5
6,900 4.6124 x 10-5
7,000 4.6792 x 10-5
7,100 4.7461 x 10-5
7,200 4.8129 x 10-5
7,300 4.8797 x 10-5
7,400 4.9466 x 10-5
7,500 5.0134 x 10-5
7,600 5.0803 x 10-5
7,700 5.1471 x 10-5
7,800 5.2140 x 10-5
7,900 5.2808 x 10-5
8,000 5.3477 x 10-5
8,100 5.4145 x 10-5
8,200 5.4814 x 10-5
8,300 5.5482 x 10-5
8,400 5.6151 x 10-5
8,500 5.6819 x 10-5
8,600 5.7487 x 10-5
8,700 5.8156 x 10-5
8,800 5.8824 x 10-5
8,900 5.9493 x 10-5
9,000 6.0161 x 10-5
9,100 6.0830 x 10-5
9,200 6.1498 x 10-5
9,300 6.2167 x 10-5
9,400 6.2835 x 10-5
9,500 6.3504 x 10-5
9,600 6.4172 x 10-5
9,700 6.4840 x 10-5
9,800 6.5509 x 10-5
9,900 6.6177 x 10-5
10,000 6.6846 x 10-5
20,000 0.00013369
30,000 0.00020054
40,000 0.00026738
50,000 0.00033423
60,000 0.00040108
70,000 0.00046792
80,000 0.00053477
90,000 0.00060161
100,000 0.00066846
200,000 0.0013369
300,000 0.0020054
400,000 0.0026738
500,000 0.0033423
600,000 0.0040108
700,000 0.0046792
800,000 0.0053477
900,000 0.0060161
1,000,000 0.0066846
2,000,000 0.013369
3,000,000 0.020054
4,000,000 0.026738
5,000,000 0.033423
6,000,000 0.040108
7,000,000 0.046792
8,000,000 0.053477
9,000,000 0.060161
10,000,000 0.066846
20,000,000 0.13369
30,000,000 0.20054
40,000,000 0.26738
50,000,000 0.33423
60,000,000 0.40108
70,000,000 0.46792
80,000,000 0.53477
90,000,000 0.60161
100,000,000 0.66846
200,000,000 1.3369
300,000,000 2.0054
400,000,000 2.6738
500,000,000 3.3423
600,000,000 4.0108
700,000,000 4.6792
800,000,000 5.3477
900,000,000 6.0161
1 x 109 6.6846
2 x 109 13.369
3 x 109 20.054
4 x 109 26.738
5 x 109 33.423
6 x 109 40.108
7 x 109 46.792
8 x 109 53.477
9 x 109 60.161
1 x 1010 66.846
2 x 1010 133.69
3 x 1010 200.54
4 x 1010 267.38
5 x 1010 334.23
6 x 1010 401.08
7 x 1010 467.92
8 x 1010 534.77
9 x 1010 601.61
1 x 1011 668.46