It's about one-third as heavy as a Panda Bear
In other words, the weight of a Panda Bear is 3 times 50 kilograms.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
An adult, male Giant Panda weighs up to 150 kg. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 6.4 kg of it per day to compensate for the limited energy the plant provides.
It's about three-tenths as heavy as a Reindeer
In other words, 50 kilograms is 0.3020 times the weight of a Reindeer, and the weight of a Reindeer is 3.310 times that amount.(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)
An adult, male reindeer weighs between 159 and 182 kg. 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 one-fourth as heavy as The Heart of a Blue Whale
In other words, 50 kilograms is 0.250 times the weight of The Heart of a Blue Whale, and the weight of The Heart of a Blue Whale is 4 times that amount.(Balaenoptera musculus) (adult)
(for a 2014 specimen)
The heart of a blue whale weighs about 200 kilograms. These hearts pump an estimated 7,100 L (1,875 gal) of blood through the whale's massive body.
It's about one-fifth as heavy as a cubic meter of Snow
In other words, 50 kilograms is 0.220 times the weight of a cubic meter of Snow, and the weight of a cubic meter of Snow is 4.50 times that amount.(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 kg. Assembled in 2008, the world record largest snowman was constructed of 5,900,000 kg of snow and stood 37.21 m (122.1 ft) tall.
It's about one-fifth as heavy as a Pig
In other words, the weight of a Pig is 5 times 50 kilograms.(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
Domestic pigs weigh between 50 kg and 450 kg. 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-tenth as heavy as a Horse
In other words, 50 kilograms is 0.120 times the weight of a Horse, and the weight of a Horse is 8.30 times that amount.(Equus ferus caballus) (Arabian, adult)
n Arabian riding horse (or similar breed) weighs between 380 and 450 kg. During races, horses must carry jockeys and their equipment, which in the Kentucky Derby, for example, can weigh up to 54.4 kg.
It's about one-tenth as heavy as a Grand Piano
In other words, 50 kilograms is 0.110 times the weight of a Grand Piano, and the weight of a Grand Piano is 9.10 times that amount.(for Steinway & Sons, Model D Concert Grand Piano)
A Grand Piano, of the kind used for concert performances in large music halls, weighs 450 kg. Well-made pianos such as this may last 75 to 100 years.