It's about as heavy as a Panda Bear.
It's about nine-tenths as heavy as a Reindeer.
In other words, 150,000 grams is 0.9060 times the weight of a Reindeer, and the weight of a Reindeer is 1.10 times that amount.(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)
An adult, male reindeer weighs between 166,000 grams. Reindeer undertake a lengthy annual migration, with some herds traveling up to 5,000 km.
To all those observing, Merry Christmas from the Measure of Things.
It's about three-fourths as heavy as The Heart of a Blue Whale.
It's about two-thirds as heavy as a cubic meter of Snow.
In other words, the weight of a cubic meter of Snow is 1.50 times 150,000 grams.(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)
One cubic meter of freshly fallen snow under standard conditions weighs an average of 230,000 grams. Assembled in 2008, the world record largest snowman was constructed of 5,900,000,000 grams of snow and stood 37.21 m (122.1 ft) tall.
It's about three-fifths as heavy as a Pig.
In other words, the weight of a Pig is 1.70 times 150,000 grams.(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
Domestic pigs weigh between 250,000 grams. The titular character "Babe the pig" in the 1995 family film was played by 48 different American Yorkshire piglets due to the length of filming and the rate at which piglets reach adulthood.
It's about one-and-four-fifths times as heavy as a Kangaroo.
It's about two times as heavy as a Beer Keg.
In other words, 150,000 grams is 2.06 times the weight of a Beer Keg, and the weight of a Beer Keg is 0.48540 times that amount.(for US half-barrel, full keg; draft beer; including keg itself, stainless steel)
A typical, half-barrel beer keg weighs 72,800 grams when full. A keg of this size contains 15.5 gallons of beer, or the equivalent of 6.8 cases.