| fathom | 1 ftm | 2 ftm | 3 ftm | 4 ftm | 5 ftm | 6 ftm | 7 ftm | 8 ftm | 9 ftm | 10 ftm | 11 ftm | 12 ftm | 13 ftm | 14 ftm | 15 ftm | 16 ftm | 17 ftm | 18 ftm | 19 ftm | 20 ftm | 21 ftm | 22 ftm | 23 ftm | 24 ftm | 25 ftm | 26 ftm | 27 ftm | 28 ftm | 29 ftm | 30 ftm | 31 ftm | 32 ftm | 33 ftm | 34 ftm | 35 ftm | 36 ftm | 37 ftm | 38 ftm | 39 ftm | 40 ftm | 41 ftm | 42 ftm | 43 ftm | 44 ftm | 45 ftm | 46 ftm | 47 ftm | 48 ftm | 49 ftm | 50 ftm | 51 ftm | 52 ftm | 53 ftm | 54 ftm | 55 ftm | 56 ftm | 57 ftm | 58 ftm | 59 ftm | 60 ftm | 61 ftm | 62 ftm | 63 ftm | 64 ftm | 65 ftm | 66 ftm | 67 ftm | 68 ftm | 69 ftm | 70 ftm | 71 ftm | 72 ftm | 73 ftm | 74 ftm | 75 ftm | 76 ftm | 77 ftm | 78 ftm | 79 ftm | 80 ftm | 81 ftm | 82 ftm | 83 ftm | 84 ftm | 85 ftm | 86 ftm | 87 ftm | 88 ftm | 89 ftm | 90 ftm | 91 ftm | 92 ftm | 93 ftm | 94 ftm | 95 ftm | 96 ftm | 97 ftm | 98 ftm | 99 ftm | 100 ftm |
| spat | 1.8288 × 10-12 S | 3.6576 × 10-12 S | 5.4864 × 10-12 S | 7.3152 × 10-12 S | 9.144 × 10-12 S | 1.09728 × 10-11 S | 1.28016 × 10-11 S | 1.46304 × 10-11 S | 1.64592 × 10-11 S | 1.8288 × 10-11 S | 2.01168 × 10-11 S | 2.19456 × 10-11 S | 2.37744 × 10-11 S | 2.56032 × 10-11 S | 2.7432 × 10-11 S | 2.92608 × 10-11 S | 3.10896 × 10-11 S | 3.29184 × 10-11 S | 3.47472 × 10-11 S | 3.6576 × 10-11 S | 3.84048 × 10-11 S | 4.02336 × 10-11 S | 4.20624 × 10-11 S | 4.38912 × 10-11 S | 4.572 × 10-11 S | 4.75488 × 10-11 S | 4.93776 × 10-11 S | 5.12064 × 10-11 S | 5.30352 × 10-11 S | 5.4864 × 10-11 S | 5.66928 × 10-11 S | 5.85216 × 10-11 S | 6.03504 × 10-11 S | 6.21792 × 10-11 S | 6.4008 × 10-11 S | 6.58368 × 10-11 S | 6.76656 × 10-11 S | 6.94944 × 10-11 S | 7.13232 × 10-11 S | 7.3152 × 10-11 S | 7.49808 × 10-11 S | 7.68096 × 10-11 S | 7.86384 × 10-11 S | 8.04672 × 10-11 S | 8.2296 × 10-11 S | 8.41248 × 10-11 S | 8.59536 × 10-11 S | 8.77824 × 10-11 S | 8.96112 × 10-11 S | 9.144 × 10-11 S | 9.32688 × 10-11 S | 9.50976 × 10-11 S | 9.69264 × 10-11 S | 9.87552 × 10-11 S | 1.00584 × 10-10 S | 1.024128 × 10-10 S | 1.042416 × 10-10 S | 1.060704 × 10-10 S | 1.078992 × 10-10 S | 1.09728 × 10-10 S | 1.115568 × 10-10 S | 1.133856 × 10-10 S | 1.152144 × 10-10 S | 1.170432 × 10-10 S | 1.18872 × 10-10 S | 1.207008 × 10-10 S | 1.225296 × 10-10 S | 1.243584 × 10-10 S | 1.261872 × 10-10 S | 1.28016 × 10-10 S | 1.298448 × 10-10 S | 1.316736 × 10-10 S | 1.335024 × 10-10 S | 1.353312 × 10-10 S | 1.3716 × 10-10 S | 1.389888 × 10-10 S | 1.408176 × 10-10 S | 1.426464 × 10-10 S | 1.444752 × 10-10 S | 1.46304 × 10-10 S | 1.481328 × 10-10 S | 1.499616 × 10-10 S | 1.517904 × 10-10 S | 1.536192 × 10-10 S | 1.55448 × 10-10 S | 1.572768 × 10-10 S | 1.591056 × 10-10 S | 1.609344 × 10-10 S | 1.627632 × 10-10 S | 1.64592 × 10-10 S | 1.664208 × 10-10 S | 1.682496 × 10-10 S | 1.700784 × 10-10 S | 1.719072 × 10-10 S | 1.73736 × 10-10 S | 1.755648 × 10-10 S | 1.773936 × 10-10 S | 1.792224 × 10-10 S | 1.810512 × 10-10 S | 1.8288 × 10-10 S |
A fathom is a unit of length in the imperial and the U.S. customary systems equal to 6 feet (1.8288 metres), used especially for measuring the depth of water.
There are two yards (6 feet) in an imperial fathom. Originally the span of a man's outstretched arms, the size of a fathom has varied slightly depending on whether it was defined as a thousandth of an (Admiralty) nautical mile or as a multiple of the imperial yard. Formerly, the term was used for any of several units of length varying around 5–5 1⁄2 feet.
| 1 fathoms = 1.8288E-12 spats | 4 fathoms = 7.3152E-12 spats |
| 1.5 fathoms = 2.7432E-12 spats | 4.5 fathoms = 8.2296E-12 spats |
| 2 fathoms = 3.6576E-12 spats | 5 fathoms = 9.144E-12 spats |
| 2.5 fathoms = 4.572E-12 spats | 5.5 fathoms = 1.00584E-11 spats |
| 3 fathoms = 5.4864E-12 spats | 6 fathoms = 1.09728E-11 spats |
The spat (symbol S) is also an obsolete unit of distance used in astronomy. It is equal to 1000000000 kilometres (1 Tm or 1012 m). It is about 6.6846 astronomical units (AU), 1.057×10−4 light-years or3.240×10−5 parsecs.
| 1 spats = 546806649168.85 fathoms | 4 spats = 2187226596675.4 fathoms |
| 1.5 spats = 820209973753.28 fathoms | 4.5 spats = 2460629921259.8 fathoms |
| 2 spats = 1093613298337.7 fathoms | 5 spats = 2734033245844.3 fathoms |
| 2.5 spats = 1367016622922.1 fathoms | 5.5 spats = 3007436570428.7 fathoms |
| 3 spats = 1640419947506.6 fathoms | 6 spats = 3280839895013.1 fathoms |
| 1 fathoms = 1.8288 × 10-12 spats |
| 1 spats = 546,806,649,168.85 fathoms |