mathematics mesurments

1 attameter ::  1/1000 pentameter

1 pentameter :: 1/1000 picometer

1 picometer ::  1/1000 nanometer

1 nanometer :: 1/1000 micrometer

1 micrometer :: 1/1000 millimeter

1 millimeter :: 1/1000 meter

1 meter :: 1/1000 kilometer

1000 kilometers :: 1 mega meter

1000 mega meters :: 1giga meter

1000 giga meters :: 1 tera meter

1000 tera meters :: 1 peta meter

1000 peta meter :: 1 egza meter

Light year::-----

per1 second :: 3 lakhs kilometers

per1 minute :: 1 crore 80 lakhs kilometres

per 1 hour :: 108 crore kilometers

per 1 day :: 2,592 crore kilometers

per 1 year :: 9,46,728 crores kilometers