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The Bohr radius (a0 or rBohr) is a physical constant, approximately equal to the most probable distance between the proton and electron in a hydrogen atom in its ground state. It is named after Niels Bohr, due to its role in the Bohr model of an atom. Its value is 5.2917721067×10^−11 m.
In relation to the base unit of [length] => (meters), 1 Roman Actus (actus) is equal to 35.5 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 1 Roman Actus | to common length units |
|---|---|
| 1 actus | = 35.5 meters (m) |
| 1 actus | = 0.0355 kilometers (km) |
| 1 actus | = 3550 centimeters (cm) |
| 1 actus | = 116.46981627297 feet (ft) |
| 1 actus | = 1397.6377952756 inches (in) |
| 1 actus | = 38.823272090989 yards (yd) |
| 1 actus | = 0.022058677324425 miles (mi) |
| 1 actus | = 3.7522460627841E-15 light years (ly) |
| 1 actus | = 134173.24525017 pixels (PX) |
| 1 actus | = 2.21875E+36 planck length (pl) |
| Roman Actus | to Bohr Radius (table conversion) |
|---|---|
| 1 actus | = 670853041609.9 Bohr |
| 2 actus | = 1341706083219.8 Bohr |
| 3 actus | = 2012559124829.7 Bohr |
| 4 actus | = 2683412166439.6 Bohr |
| 5 actus | = 3354265208049.5 Bohr |
| 6 actus | = 4025118249659.4 Bohr |
| 7 actus | = 4695971291269.3 Bohr |
| 8 actus | = 5366824332879.2 Bohr |
| 9 actus | = 6037677374489.1 Bohr |
| 10 actus | = 6708530416099 Bohr |
| 20 actus | = 13417060832198 Bohr |
| 30 actus | = 20125591248297 Bohr |
| 40 actus | = 26834121664396 Bohr |
| 50 actus | = 33542652080495 Bohr |
| 60 actus | = 40251182496594 Bohr |
| 70 actus | = 46959712912693 Bohr |
| 80 actus | = 53668243328792 Bohr |
| 90 actus | = 60376773744891 Bohr |
| 100 actus | = 67085304160990 Bohr |
| 200 actus | = 1.3417060832198E+14 Bohr |
| 300 actus | = 2.0125591248297E+14 Bohr |
| 400 actus | = 2.6834121664396E+14 Bohr |
| 500 actus | = 3.3542652080495E+14 Bohr |
| 600 actus | = 4.0251182496594E+14 Bohr |
| 700 actus | = 4.6959712912693E+14 Bohr |
| 800 actus | = 5.3668243328792E+14 Bohr |
| 900 actus | = 6.0376773744891E+14 Bohr |
| 1000 actus | = 6.708530416099E+14 Bohr |
| 2000 actus | = 1.3417060832198E+15 Bohr |
| 4000 actus | = 2.6834121664396E+15 Bohr |
| 5000 actus | = 3.3542652080495E+15 Bohr |
| 7500 actus | = 5.0313978120742E+15 Bohr |
| 10000 actus | = 6.708530416099E+15 Bohr |
| 25000 actus | = 1.6771326040247E+16 Bohr |
| 50000 actus | = 3.3542652080495E+16 Bohr |
| 100000 actus | = 6.708530416099E+16 Bohr |
| 1000000 actus | = 6.708530416099E+17 Bohr |
| 1000000000 actus | = 6.708530416099E+20 Bohr |