| foot, metric (short) | 1 smf | 2 smf | 3 smf | 4 smf | 5 smf | 6 smf | 7 smf | 8 smf | 9 smf | 10 smf | 11 smf | 12 smf | 13 smf | 14 smf | 15 smf | 16 smf | 17 smf | 18 smf | 19 smf | 20 smf | 21 smf | 22 smf | 23 smf | 24 smf | 25 smf | 26 smf | 27 smf | 28 smf | 29 smf | 30 smf | 31 smf | 32 smf | 33 smf | 34 smf | 35 smf | 36 smf | 37 smf | 38 smf | 39 smf | 40 smf | 41 smf | 42 smf | 43 smf | 44 smf | 45 smf | 46 smf | 47 smf | 48 smf | 49 smf | 50 smf | 51 smf | 52 smf | 53 smf | 54 smf | 55 smf | 56 smf | 57 smf | 58 smf | 59 smf | 60 smf | 61 smf | 62 smf | 63 smf | 64 smf | 65 smf | 66 smf | 67 smf | 68 smf | 69 smf | 70 smf | 71 smf | 72 smf | 73 smf | 74 smf | 75 smf | 76 smf | 77 smf | 78 smf | 79 smf | 80 smf | 81 smf | 82 smf | 83 smf | 84 smf | 85 smf | 86 smf | 87 smf | 88 smf | 89 smf | 90 smf | 91 smf | 92 smf | 93 smf | 94 smf | 95 smf | 96 smf | 97 smf | 98 smf | 99 smf | 100 smf |
| earth radius | 4.7088369172814 × 10-8R⊕ | 9.4176738345629 × 10-8R⊕ | 1.4126510751844 × 10-7R⊕ | 1.8835347669126 × 10-7R⊕ | 2.3544184586407 × 10-7R⊕ | 2.8253021503689 × 10-7R⊕ | 3.296185842097 × 10-7R⊕ | 3.7670695338251 × 10-7R⊕ | 4.2379532255533 × 10-7R⊕ | 4.7088369172814 × 10-7R⊕ | 5.1797206090096 × 10-7R⊕ | 5.6506043007377 × 10-7R⊕ | 6.1214879924659 × 10-7R⊕ | 6.592371684194 × 10-7R⊕ | 7.0632553759221 × 10-7R⊕ | 7.5341390676503 × 10-7R⊕ | 8.0050227593784 × 10-7R⊕ | 8.4759064511066 × 10-7R⊕ | 8.9467901428347 × 10-7R⊕ | 9.4176738345629 × 10-7R⊕ | 9.888557526291 × 10-7R⊕ | 1.0359441218019 × 10-6R⊕ | 1.0830324909747 × 10-6R⊕ | 1.1301208601475 × 10-6R⊕ | 1.1772092293204 × 10-6R⊕ | 1.2242975984932 × 10-6R⊕ | 1.271385967666 × 10-6R⊕ | 1.3184743368388 × 10-6R⊕ | 1.3655627060116 × 10-6R⊕ | 1.4126510751844 × 10-6R⊕ | 1.4597394443572 × 10-6R⊕ | 1.5068278135301 × 10-6R⊕ | 1.5539161827029 × 10-6R⊕ | 1.6010045518757 × 10-6R⊕ | 1.6480929210485 × 10-6R⊕ | 1.6951812902213 × 10-6R⊕ | 1.7422696593941 × 10-6R⊕ | 1.7893580285669 × 10-6R⊕ | 1.8364463977398 × 10-6R⊕ | 1.8835347669126 × 10-6R⊕ | 1.9306231360854 × 10-6R⊕ | 1.9777115052582 × 10-6R⊕ | 2.024799874431 × 10-6R⊕ | 2.0718882436038 × 10-6R⊕ | 2.1189766127766 × 10-6R⊕ | 2.1660649819495 × 10-6R⊕ | 2.2131533511223 × 10-6R⊕ | 2.2602417202951 × 10-6R⊕ | 2.3073300894679 × 10-6R⊕ | 2.3544184586407 × 10-6R⊕ | 2.4015068278135 × 10-6R⊕ | 2.4485951969863 × 10-6R⊕ | 2.4956835661592 × 10-6R⊕ | 2.542771935332 × 10-6R⊕ | 2.5898603045048 × 10-6R⊕ | 2.6369486736776 × 10-6R⊕ | 2.6840370428504 × 10-6R⊕ | 2.7311254120232 × 10-6R⊕ | 2.778213781196 × 10-6R⊕ | 2.8253021503689 × 10-6R⊕ | 2.8723905195417 × 10-6R⊕ | 2.9194788887145 × 10-6R⊕ | 2.9665672578873 × 10-6R⊕ | 3.0136556270601 × 10-6R⊕ | 3.0607439962329 × 10-6R⊕ | 3.1078323654057 × 10-6R⊕ | 3.1549207345786 × 10-6R⊕ | 3.2020091037514 × 10-6R⊕ | 3.2490974729242 × 10-6R⊕ | 3.296185842097 × 10-6R⊕ | 3.3432742112698 × 10-6R⊕ | 3.3903625804426 × 10-6R⊕ | 3.4374509496154 × 10-6R⊕ | 3.4845393187883 × 10-6R⊕ | 3.5316276879611 × 10-6R⊕ | 3.5787160571339 × 10-6R⊕ | 3.6258044263067 × 10-6R⊕ | 3.6728927954795 × 10-6R⊕ | 3.7199811646523 × 10-6R⊕ | 3.7670695338251 × 10-6R⊕ | 3.814157902998 × 10-6R⊕ | 3.8612462721708 × 10-6R⊕ | 3.9083346413436 × 10-6R⊕ | 3.9554230105164 × 10-6R⊕ | 4.0025113796892 × 10-6R⊕ | 4.049599748862 × 10-6R⊕ | 4.0966881180348 × 10-6R⊕ | 4.1437764872077 × 10-6R⊕ | 4.1908648563805 × 10-6R⊕ | 4.2379532255533 × 10-6R⊕ | 4.2850415947261 × 10-6R⊕ | 4.3321299638989 × 10-6R⊕ | 4.3792183330717 × 10-6R⊕ | 4.4263067022445 × 10-6R⊕ | 4.4733950714174 × 10-6R⊕ | 4.5204834405902 × 10-6R⊕ | 4.567571809763 × 10-6R⊕ | 4.6146601789358 × 10-6R⊕ | 4.6617485481086 × 10-6R⊕ | 4.7088369172814 × 10-6R⊕ |
≡ 0.30 m
| 1 feet, metric (short) ≈ 4.7088369172814E-8 earth radius | 4 feet, metric (short) ≈ 1.8835347669126E-7 earth radius |
| 1.5 feet, metric (short) ≈ 7.0632553759221E-8 earth radius | 4.5 feet, metric (short) ≈ 2.1189766127766E-7 earth radius |
| 2 feet, metric (short) ≈ 9.4176738345629E-8 earth radius | 5 feet, metric (short) ≈ 2.3544184586407E-7 earth radius |
| 2.5 feet, metric (short) ≈ 1.1772092293204E-7 earth radius | 5.5 feet, metric (short) ≈ 2.5898603045048E-7 earth radius |
| 3 feet, metric (short) ≈ 1.4126510751844E-7 earth radius | 6 feet, metric (short) ≈ 2.8253021503689E-7 earth radius |
Earth radius is the distance from Earth's center to its surface, about 6,371 km (3,959 mi). This length is also used as a unit of distance, especially in astronomy and geology, where it is usually denoted by R⊕.
| 1 earth radius ≈ 21236666.666667 feet, metric (short) | 4 earth radius ≈ 84946666.666667 feet, metric (short) |
| 1.5 earth radius ≈ 31855000 feet, metric (short) | 4.5 earth radius ≈ 95565000 feet, metric (short) |
| 2 earth radius ≈ 42473333.333333 feet, metric (short) | 5 earth radius ≈ 106183333.33333 feet, metric (short) |
| 2.5 earth radius ≈ 53091666.666667 feet, metric (short) | 5.5 earth radius ≈ 116801666.66667 feet, metric (short) |
| 3 earth radius ≈ 63710000 feet, metric (short) | 6 earth radius ≈ 127420000 feet, metric (short) |
| 1 feet, metric (short) ≈ 4.7088369172814 × 10-8 earth radius |
| 1 earth radius ≈ 21,236,666.666667 feet, metric (short) |