It's about one-one-thousand-five-hundredth as heavy as a Polar Bear
In other words, 0.680 pounds is 0.000598 times the weight of a Polar Bear, and the weight of a Polar Bear is 1,670 times that amount.(Ursus maritimus) (adult, male)
An adult, male polar bear weighs between 1,140 pounds. Polar bears are so heavily insulated by their 9.9 cm (3.9 in) layer of blubber that they are often difficult to detect using infrared photography sensors.
It's about one-one-thousand-five-hundredth as heavy as a Grizzly Bear
In other words, 0.680 pounds is 0.000592 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 1,690 times that amount.(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
An adult, male grizzly bear from a coastal area (where food is plentiful) can weigh up to 1,150 pounds. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).
It's about 2,000 times as heavy as a Raindrop
In other words, the weight of a Raindrop is 0.0005 times 0.680 pounds.(a.k.a. drop, a.k.a. droplet) (average)
The weight of a raindrop depends heavily on the type of weather, but averages about 0.0004 pounds. The familiar teardrop shape of a raindrop is actually an optical illusion, caused by the reflection of the light and the motion of the drop.
It's about one-two-thousandth as heavy as a Cow
In other words, 0.680 pounds is 0.00045 times the weight of a Cow, and the weight of a Cow is 2,200 times that amount.(for Holstein, a.k.a. Holstein Friesian, a.k.a. Friesian, Bos primigenius) (adult, heifer)
A mature Holstein cow (the well-known black-and-white, spotted breed of cow) typically weighs 1,500 pounds. President William Howard Taft (1909 - 1913) kept a Holstein cow named Pauline Wayne on the White House grounds — a gift from a Wisconsin senator and the source of the First Family's milk.
It's about one-five-thousand-five-hundredth as heavy as a Car
In other words, 0.680 pounds is 0.0001867 times the weight of a Car, and the weight of a Car is 5,356 times that amount.(for 2009 Ford Taurus) (curb weight)
A 2009 Ford Taurus weighs 3,642 pounds. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 851 pounds.
It's about one-six-thousand-five-hundredth as heavy as a Giraffe
It's about one-six-thousand-five-hundredth as heavy as a Rhinoceros
In other words, the weight of a Rhinoceros is 6,700 times 0.680 pounds.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 4,600 pounds. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.