Neptune size comparison: how tall is the Neptune?
Neptune: 49,528 km · 30,775 mi tall · 1.02 × 10²⁶ kg
Diameter 49,528 km · 4,515 million km from the Sun · gravity 11 m/s² (1.12 g)
Neptune is 49,528 km · 30,775 mi tall (1.02 × 10²⁶ kg). That is about 28,963,743× the height of an average man (171 cm). Compare it side by side with people, animals, buildings and more on the board above — drag, zoom, switch cm / ft, or export an image.