| 0AU | 0ftm |
| 1AU | 81,801,110,400ftm |
| 2AU | 163,602,220,800ftm |
| 3AU | 245,403,331,200ftm |
| 4AU | 327,204,441,600ftm |
| 5AU | 409,005,552,000ftm |
| 6AU | 490,806,662,400ftm |
| 7AU | 572,607,772,800ftm |
| 8AU | 654,408,883,200ftm |
| 9AU | 736,209,993,600ftm |
| 10AU | 818,011,104,000ftm |
| 11AU | 899,812,214,400ftm |
| 12AU | 981,613,324,800ftm |
| 13AU | 1,063,414,435,000ftm |
| 14AU | 1,145,215,546,000ftm |
| 15AU | 1,227,016,656,000ftm |
| 16AU | 1,308,817,766,000ftm |
| 17AU | 1,390,618,877,000ftm |
| 18AU | 1,472,419,987,000ftm |
| 19AU | 1,554,221,098,000ftm |
| 20AU | 1,636,022,208,000ftm |
| 21AU | 1,717,823,318,000ftm |
| 22AU | 1,799,624,429,000ftm |
| 23AU | 1,881,425,539,000ftm |
| 24AU | 1,963,226,650,000ftm |
| 25AU | 2,045,027,760,000ftm |
| 26AU | 2,126,828,870,000ftm |
| 27AU | 2,208,629,981,000ftm |
| 28AU | 2,290,431,091,000ftm |
| 29AU | 2,372,232,202,000ftm |
| 30AU | 2,454,033,312,000ftm |
| 31AU | 2,535,834,422,000ftm |
| 32AU | 2,617,635,533,000ftm |
| 33AU | 2,699,436,643,000ftm |
| 34AU | 2,781,237,754,000ftm |
| 35AU | 2,863,038,864,000ftm |
| 36AU | 2,944,839,974,000ftm |
| 37AU | 3,026,641,085,000ftm |
| 38AU | 3,108,442,195,000ftm |
| 39AU | 3,190,243,306,000ftm |
| 40AU | 3,272,044,416,000ftm |
| 41AU | 3,353,845,526,000ftm |
| 42AU | 3,435,646,637,000ftm |
| 43AU | 3,517,447,747,000ftm |
| 44AU | 3,599,248,858,000ftm |
| 45AU | 3,681,049,968,000ftm |
| 46AU | 3,762,851,078,000ftm |
| 47AU | 3,844,652,189,000ftm |
| 48AU | 3,926,453,299,000ftm |
| 49AU | 4,008,254,410,000ftm |
| 50AU | 4,090,055,520,000ftm |
| 51AU | 4,171,856,630,000ftm |
| 52AU | 4,253,657,741,000ftm |
| 53AU | 4,335,458,851,000ftm |
| 54AU | 4,417,259,962,000ftm |
| 55AU | 4,499,061,072,000ftm |
| 56AU | 4,580,862,182,000ftm |
| 57AU | 4,662,663,293,000ftm |
| 58AU | 4,744,464,403,000ftm |
| 59AU | 4,826,265,514,000ftm |
| 60AU | 4,908,066,624,000ftm |
| 61AU | 4,989,867,734,000ftm |
| 62AU | 5,071,668,845,000ftm |
| 63AU | 5,153,469,955,000ftm |
| 64AU | 5,235,271,066,000ftm |
| 65AU | 5,317,072,176,000ftm |
| 66AU | 5,398,873,286,000ftm |
| 67AU | 5,480,674,397,000ftm |
| 68AU | 5,562,475,507,000ftm |
| 69AU | 5,644,276,618,000ftm |
| 70AU | 5,726,077,728,000ftm |
| 71AU | 5,807,878,838,000ftm |
| 72AU | 5,889,679,949,000ftm |
| 73AU | 5,971,481,059,000ftm |
| 74AU | 6,053,282,170,000ftm |
| 75AU | 6,135,083,280,000ftm |
| 76AU | 6,216,884,390,000ftm |
| 77AU | 6,298,685,501,000ftm |
| 78AU | 6,380,486,611,000ftm |
| 79AU | 6,462,287,722,000ftm |
| 80AU | 6,544,088,832,000ftm |
| 81AU | 6,625,889,942,000ftm |
| 82AU | 6,707,691,053,000ftm |
| 83AU | 6,789,492,163,000ftm |
| 84AU | 6,871,293,274,000ftm |
| 85AU | 6,953,094,384,000ftm |
| 86AU | 7,034,895,494,000ftm |
| 87AU | 7,116,696,605,000ftm |
| 88AU | 7,198,497,715,000ftm |
| 89AU | 7,280,298,826,000ftm |
| 90AU | 7,362,099,936,000ftm |
| 91AU | 7,443,901,046,000ftm |
| 92AU | 7,525,702,157,000ftm |
| 93AU | 7,607,503,267,000ftm |
| 94AU | 7,689,304,378,000ftm |
| 95AU | 7,771,105,488,000ftm |
| 96AU | 7,852,906,598,000ftm |
| 97AU | 7,934,707,709,000ftm |
| 98AU | 8,016,508,819,000ftm |
| 99AU | 8,098,309,930,000ftm |
The astronomical unit is a unit of length and is used in the Astronomical system of units and denoted by the symbol au.
It represents the average distance between the Earth and the Sun which is approximately 150 million kilometres (or 93 million miles).
It's used mostly to express distances within our Solar System.
The fathom is a unit of length in the imperial unit system and uses the symbol ftm.
One fathom is equal to 6 feet or 1.8288m.
The phrase fathom derives from an old English derivative of a Viking / Danish word "favn" meaning emracing a pair of arms or a pair of oustretched hands. The fathom is mostly used in the nautical world to describe depths of water.