If Mass of IndyCar (excl driver or fuel) on speedways (712 kg) was a standard unit ...
Mass of the SpaceX Falcon Heavy rocket (1.421 kg)...more would be 2000 x Mass of IndyCar (excl driver or fuel) on speedways
Mass of the Apollo program Command Module in Lunar orbit (28,800 kg)...more would be 40 x Mass of IndyCar (excl driver or fuel) on speedways
Mass of lightest allowable Formula 1 racing car (incl driver excl fuel) (702 kg)...more would be about as big as Mass of IndyCar (excl driver or fuel) on speedways
Mass of an adult male North American Black Bear (280 kg)...more would be 2/5 of Mass of IndyCar (excl driver or fuel) on speedways
Mass of largest gold nugget ever found (71 kg)...more would be 1/10 of Mass of IndyCar (excl driver or fuel) on speedways
Mass of a domestic washing machine (70 kg)...more would be 1/10 of Mass of IndyCar (excl driver or fuel) on speedways
Mass of Pedal Harp (orchestral instrument) (36 kg)...more would be 1/20 of Mass of IndyCar (excl driver or fuel) on speedways
Mass of a full-grown Labrador dog (35 kg)...more would be 1/20 of Mass of IndyCar (excl driver or fuel) on speedways
Mass of a typical microwave oven (18 kg)...more would be 1/40 of Mass of IndyCar (excl driver or fuel) on speedways
Mass of a regulation mens' shot (in the shot put athletics event) (7.26 kg)...more would be 1/100 of Mass of IndyCar (excl driver or fuel) on speedways
Mass of a brick (2.9 kg)...more would be 1/250 of Mass of IndyCar (excl driver or fuel) on speedways
Mass of an average coconut (1.44 kg)...more would be 1/500 of Mass of IndyCar (excl driver or fuel) on speedways
Mass of an ostrich egg (approx) (1.4 kg)...more would be 1/500 of Mass of IndyCar (excl driver or fuel) on speedways