megameter
Lengthexact by definition
The megametre is one million metres, an exact decimal prefix on the SI base unit. It is the convenient scale for planetary bodies: the Earth's mean radius is 6.371 Mm, its equatorial circumference just over 40 Mm, and the Moon's orbit about 384 Mm across.
Watch out: Almost nobody writes it. Planetary radii are quoted in kilometres in practice, so a figure in megametres will usually need converting before anyone else will read it.
| 1 | 1,000,000 |
One megameter in every length unit
| 6.18714e+40 | Planck length (lP) | |
| 1.00000e+21 | femtometer (fm) | |
| 1.00000e+18 | picometer (pm) | |
| 1.88973e+16 | bohr radius (a0) | |
| 1.00000e+16 | angstrom (Å) | |
| 1.00000e+15 | nanometer (nm) | |
| 1,000,000,000,000 | micrometer (μm) | |
| 39,370,100,000 | thou (thou) | |
| 2,834,650,000 | point (pt) | |
| 1,000,000,000 | millimeter (mm) | |
| 236,220,000 | pica (pc) | |
| 100,000,000 | centimeter (cm) | |
| 39,370,100 | inch (in) | |
| 10,000,000 | decimeter (dm) | |
| 9,842,520 | hand (hh) | |
| 4,970,970 | link (li) | |
| 3,280,840 | foot (ft) | |
| 3,280,830 | US survey foot (ftUS) | |
| 1,093,610 | yard (yd) | |
| 1,000,000 | meter (m) | |
| 546,807 | fathom (ftm) | |
| 198,839 | rod (rd) | |
| 49,709.7 | chain (ch) | |
| 5,399.57 | cable length (cb) | |
| 4,970.97 | furlong (fur) | |
| 1,000 | kilometer (km) | |
| 621.371 | mile (mi) | |
| 539.957 | nautical mile (nmi) | |
| 207.124 | league (lea) | |
| 1 | megameter (Mm)this unit | |
| 0.156961 | Earth radius (REarth) | |
| 0.00333564 | light-second (ls) | |
| 0.00260146 | lunar distance (LD) | |
| 0.0014374 | solar radius (Rsun) | |
| 0.000055594 | light-minute (lmin) | |
| 0.00000668459 | astronomical unit (AU) | |
| 1.05700e-10 | light-year (ly) | |
| 3.24078e-11 | parsec (pc) | |
| 3.24078e-14 | kiloparsec (kpc) | |
| 3.24078e-17 | megaparsec (Mpc) | |
| 3.24078e-20 | gigaparsec (Gpc) |
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