To convert centimeters to inches, we can use the conversion factor of 1 inch = 2.54 centimeters.
So, 521.51 centimeters = (521.51/2.54) inches = 205.315 inches.
Comparisons to known objects:
1. 521.51 centimeters is slightly longer than the average height of a refrigerator (about 200 cm).
2. It is roughly the length of 2 standard sewing rulers placed end to end.
3. It is almost the same length as the width of the standard basketball court (232 cm).
4. It is slightly shorter than the wingspan of an adult bald eagle (about 230-237 cm).
5. It is almost the same length as the height of a compact car (ex: Ford Focus, 175-183 cm).
6. It is about 1.5 times the length of a typical guitar (110-120 cm).
7. It is approximately the length of 2 standard school rulers placed end to end (around 50-55 cm each).
8. It is roughly 6 times the length of a dollar bill (15.6 cm).
9. It is slightly longer than the average iphone (14-15 cm).
10. It is almost twice the length of a standard sheet of paper (8.5 x 11 inches or 21.6 x 27.9 cm).