If Mass of heaviest allowable Lightweight professional boxer (61.2 kg) was a standard unit ...
Mass of the biggest Redwood tree (1.2 million kg)...more would be 20000 x Mass of heaviest allowable Lightweight professional boxer
Mass of an M1 Abrams tank (62,000 kg)...more would be 1000 x Mass of heaviest allowable Lightweight professional boxer
Mass of a fully loaded 40' shipping container (30,400 kg)...more would be 500 x Mass of heaviest allowable Lightweight professional boxer
Mass of the Apollo program Lunar Excursion Module moon lander (15,200 kg)...more would be 250 x Mass of heaviest allowable Lightweight professional boxer
Mass of an adult male White Rhino (2,400 kg)...more would be 40 x Mass of heaviest allowable Lightweight professional boxer
Mass of a large passenger car (1,500 kg)...more would be 25 x Mass of heaviest allowable Lightweight professional boxer
Mass of an adult male Hippopotamus (1,500 kg)...more would be 25 x Mass of heaviest allowable Lightweight professional boxer
Mass of an adult male Panda Bear (150 kg)...more would be 2.5 x Mass of heaviest allowable Lightweight professional boxer
Mass of average human (62 kg)...more would be about as big as Mass of heaviest allowable Lightweight professional boxer
Mass of a standard Gold Bar (`London Good Delivery`) (12.44 kg)...more would be 1/5 of Mass of heaviest allowable Lightweight professional boxer
Mass of a 10-pin bowling pin (1.5 kg)...more would be 1/40 of Mass of heaviest allowable Lightweight professional boxer
Is That A Big Number? - The Book
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
