To convert 1 lightyear to meter, multiply by 9461000000000000.000000. For example, 1 lightyear × 9461000000000000.000000 = 9461000000000000.0000 meter.

1 lightyear equals exactly 9461000000000000.000000 meter. For practical purposes, this is often rounded to 9.461 x 10^15 meter.

Objects measuring approximately 1 lightyear include the outer boundary of the Solar System's Oort Cloud, the Sun's gravitational sphere of influence (Hill Sphere), and the typical size of a large, isolated Bok globule.

Converting lightyear to meter is useful for precise scientific calculations in astrophysics, engineering for interstellar probe design, and ensuring SI unit compliance in international research. It bridges the gap between astronomical scales and fundamental metric measurements.

The easiest way to remember is to think of 1 lightyear as approximately 9.5 quadrillion meters, or 9.5 x 10^15 meters. Visualizing the immense distance light travels in a year also aids memory.