| mil | 1 mil | 2 mil | 3 mil | 4 mil | 5 mil | 6 mil | 7 mil | 8 mil | 9 mil | 10 mil | 11 mil | 12 mil | 13 mil | 14 mil | 15 mil | 16 mil | 17 mil | 18 mil | 19 mil | 20 mil | 21 mil | 22 mil | 23 mil | 24 mil | 25 mil | 26 mil | 27 mil | 28 mil | 29 mil | 30 mil | 31 mil | 32 mil | 33 mil | 34 mil | 35 mil | 36 mil | 37 mil | 38 mil | 39 mil | 40 mil | 41 mil | 42 mil | 43 mil | 44 mil | 45 mil | 46 mil | 47 mil | 48 mil | 49 mil | 50 mil | 51 mil | 52 mil | 53 mil | 54 mil | 55 mil | 56 mil | 57 mil | 58 mil | 59 mil | 60 mil | 61 mil | 62 mil | 63 mil | 64 mil | 65 mil | 66 mil | 67 mil | 68 mil | 69 mil | 70 mil | 71 mil | 72 mil | 73 mil | 74 mil | 75 mil | 76 mil | 77 mil | 78 mil | 79 mil | 80 mil | 81 mil | 82 mil | 83 mil | 84 mil | 85 mil | 86 mil | 87 mil | 88 mil | 89 mil | 90 mil | 91 mil | 92 mil | 93 mil | 94 mil | 95 mil | 96 mil | 97 mil | 98 mil | 99 mil | 100 mil |
| spat | 2.54 × 10-17 S | 5.08 × 10-17 S | 7.62 × 10-17 S | 1.016 × 10-16 S | 1.27 × 10-16 S | 1.524 × 10-16 S | 1.778 × 10-16 S | 2.032 × 10-16 S | 2.286 × 10-16 S | 2.54 × 10-16 S | 2.794 × 10-16 S | 3.048 × 10-16 S | 3.302 × 10-16 S | 3.556 × 10-16 S | 3.81 × 10-16 S | 4.064 × 10-16 S | 4.318 × 10-16 S | 4.572 × 10-16 S | 4.826 × 10-16 S | 5.08 × 10-16 S | 5.334 × 10-16 S | 5.588 × 10-16 S | 5.842 × 10-16 S | 6.096 × 10-16 S | 6.35 × 10-16 S | 6.604 × 10-16 S | 6.858 × 10-16 S | 7.112 × 10-16 S | 7.366 × 10-16 S | 7.62 × 10-16 S | 7.874 × 10-16 S | 8.128 × 10-16 S | 8.382 × 10-16 S | 8.636 × 10-16 S | 8.89 × 10-16 S | 9.144 × 10-16 S | 9.398 × 10-16 S | 9.652 × 10-16 S | 9.906 × 10-16 S | 1.016 × 10-15 S | 1.0414 × 10-15 S | 1.0668 × 10-15 S | 1.0922 × 10-15 S | 1.1176 × 10-15 S | 1.143 × 10-15 S | 1.1684 × 10-15 S | 1.1938 × 10-15 S | 1.2192 × 10-15 S | 1.2446 × 10-15 S | 1.27 × 10-15 S | 1.2954 × 10-15 S | 1.3208 × 10-15 S | 1.3462 × 10-15 S | 1.3716 × 10-15 S | 1.397 × 10-15 S | 1.4224 × 10-15 S | 1.4478 × 10-15 S | 1.4732 × 10-15 S | 1.4986 × 10-15 S | 1.524 × 10-15 S | 1.5494 × 10-15 S | 1.5748 × 10-15 S | 1.6002 × 10-15 S | 1.6256 × 10-15 S | 1.651 × 10-15 S | 1.6764 × 10-15 S | 1.7018 × 10-15 S | 1.7272 × 10-15 S | 1.7526 × 10-15 S | 1.778 × 10-15 S | 1.8034 × 10-15 S | 1.8288 × 10-15 S | 1.8542 × 10-15 S | 1.8796 × 10-15 S | 1.905 × 10-15 S | 1.9304 × 10-15 S | 1.9558 × 10-15 S | 1.9812 × 10-15 S | 2.0066 × 10-15 S | 2.032 × 10-15 S | 2.0574 × 10-15 S | 2.0828 × 10-15 S | 2.1082 × 10-15 S | 2.1336 × 10-15 S | 2.159 × 10-15 S | 2.1844 × 10-15 S | 2.2098 × 10-15 S | 2.2352 × 10-15 S | 2.2606 × 10-15 S | 2.286 × 10-15 S | 2.3114 × 10-15 S | 2.3368 × 10-15 S | 2.3622 × 10-15 S | 2.3876 × 10-15 S | 2.413 × 10-15 S | 2.4384 × 10-15 S | 2.4638 × 10-15 S | 2.4892 × 10-15 S | 2.5146 × 10-15 S | 2.54 × 10-15 S |
A thousandth of an inch is a derived unit of length in an inch-based system of units. Equal to 0.001 inches, it is normally referred to as a thou /ˈθaʊ/, a thousandth, or (particularly in the United States) a mil.
| 1 mils ≡ 2.54E-17 spats | 4 mils ≡ 1.016E-16 spats |
| 1.5 mils ≡ 3.81E-17 spats | 4.5 mils ≡ 1.143E-16 spats |
| 2 mils ≡ 5.08E-17 spats | 5 mils ≡ 1.27E-16 spats |
| 2.5 mils ≡ 6.35E-17 spats | 5.5 mils ≡ 1.397E-16 spats |
| 3 mils ≡ 7.62E-17 spats | 6 mils ≡ 1.524E-16 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 ≡ 3.9370078740157E+16 mils | 4 spats ≡ 1.5748031496063E+17 mils |
| 1.5 spats ≡ 5.9055118110236E+16 mils | 4.5 spats ≡ 1.7716535433071E+17 mils |
| 2 spats ≡ 7.8740157480315E+16 mils | 5 spats ≡ 1.9685039370079E+17 mils |
| 2.5 spats ≡ 9.8425196850394E+16 mils | 5.5 spats ≡ 2.1653543307087E+17 mils |
| 3 spats ≡ 1.1811023622047E+17 mils | 6 spats ≡ 2.3622047244094E+17 mils |
| 1 mils ≡ 2.54 × 10-17 spats |
| 1 spats ≡ 3.9370078740157 × 1016 mils |