It's about one-five-hundred-thousandth as heavy as a Polar Bear
In other words, 1 grams is 0.000001940 times the weight of a Polar Bear, and the weight of a Polar Bear is 515,000 times that amount.(Ursus maritimus) (adult, male)
An adult, male polar bear weighs between 516,000 grams. 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-five-hundred-thousandth as heavy as a Grizzly Bear
In other words, 1 grams is 0.000001920 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 521,000 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 521,000 grams. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).
It's about one-six-hundred-fifty-thousandth as heavy as a Cow
In other words, the weight of a Cow is 670,000 times 1 grams.(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 680,000 grams. 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 0.0000006 times as heavy as a Car
In other words, 1 grams is 0.00000060530 times the weight of a Car, and the weight of a Car is 1,652,000 times that amount.(for 2009 Ford Taurus) (curb weight)
A 2009 Ford Taurus weighs 1,652,000 grams. The first mass-produced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 386,000 grams.
It's about 0.0000005 times as heavy as a Giraffe
In other words, 1 grams is 0.0000005180 times the weight of a Giraffe, and the weight of a Giraffe is 1,930,000 times that amount.(Giraffa camelopardalis reticulata) (adult, male, maximum of range)
An adult, male giraffe can weigh up to 1,930,000 grams. Reaching 5.5 m (18 ft) in height by adulthood, giraffe calves can grow as much as 3 cm (1 in) per day.
It's about 0.0000005 times as heavy as a Rhinoceros
In other words, 1 grams is 0.000000480 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 2,100,000 times that amount.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 2,100,000 grams. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about 0.0000004 times as heavy as The Tongue of a Blue Whale
In other words, 1 grams is 0.000000370 times the weight of The Tongue of a Blue Whale, and the weight of The Tongue of a Blue Whale is 2,700,000 times that amount.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 2,700,000 grams. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.