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The yoctometer (symbol: ym) or yoctometre (International spelling) is an SI measure of length that is equal to 10-24 (yocto) of a meter. It is the smallest named subdivision of the meter in the SI base unit of length.
A light-year (abbreviation: ly), sometimes referred to incorrectly as a light year, is a unit of length used informally to express astronomical distances. It is approxi ..more definition+
In relation to the base unit of [length] => (meters), 1 Yoctometers (ym) is equal to 1.0E-24 meters, while 1 Light Years (ly) = 9461000000000000 meters.| 4221000000 Yoctometers | to common length units |
|---|---|
| 4221000000 ym | = 4.221E-15 meters (m) |
| 4221000000 ym | = 4.221E-18 kilometers (km) |
| 4221000000 ym | = 4.221E-13 centimeters (cm) |
| 4221000000 ym | = 1.384842519685E-14 feet (ft) |
| 4221000000 ym | = 1.661811023622E-13 inches (in) |
| 4221000000 ym | = 4.6161417322835E-15 yards (yd) |
| 4221000000 ym | = 2.6228078024338E-18 miles (mi) |
| 4221000000 ym | = 4.4614734171863E-31 light years (ly) |
| 4221000000 ym | = 1.5953387836647E-11 pixels (PX) |
| 4221000000 ym | = 2.638125E+20 planck length (pl) |