It's about 1,500,000,000 times as heavy as a cubic meter of Snow
In other words, 400,000,000 tonnes is 1,700,000,000 times the weight of a cubic meter of Snow, and the weight of a cubic meter of Snow is 0.00000000059 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 0.230 tonnes. Assembled in 2008, the world record largest snowman was constructed of 5,900 tonnes of snow and stood 37.21 m (122.1 ft) tall.
It's about 2,000,000,000 times as heavy as The Heart of a Blue Whale
In other words, 400,000,000 tonnes is 2,000,000,000 times the weight of The Heart of a Blue Whale, and the weight of The Heart of a Blue Whale is 0.00000000050 times that amount.(Balaenoptera musculus) (adult)
(for a 2014 specimen)
The heart of a blue whale weighs about 0.20 tonnes. These hearts pump an estimated 7,100 L (1,875 gal) of blood through the whale's massive body.
It's about 2,500,000,000 times as heavy as a Reindeer
In other words, 400,000,000 tonnes is 2,420,000,000 times the weight of a Reindeer, and the weight of a Reindeer is 0.000000000413 times that amount.(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)
An adult, male reindeer weighs between 0.1660 tonnes. 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 2,500,000,000 times as heavy as a Panda Bear
In other words, 400,000,000 tonnes is 2,700,000,000 times the weight of a Panda Bear, and the weight of a Panda Bear is 0.00000000037 times that amount.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
An adult, male Giant Panda weighs up to 0.150 tonnes. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 0.0064 tonnes of it per day to compensate for the limited energy the plant provides.
It's about 4,500,000,000 times as heavy as a Kangaroo
In other words, 400,000,000 tonnes is 4,700,000,000 times the weight of a Kangaroo, and the weight of a Kangaroo is 0.00000000021 times that amount.(for red kangaroo, Macropus rufus) (adult, male)
An adult, male red kangaroo weighs up to 0.085 tonnes. Fantastic jumpers, red kangaroos can leap horizontally 9 m (30 ft) and vertically 3 m (9 ft) in a single bound.
It's about 5,500,000,000 times as heavy as a Beer Keg
In other words, 400,000,000 tonnes is 5,494,000,000 times the weight of a Beer Keg, and the weight of a Beer Keg is 0.000000000182 times that amount.(for US half-barrel, full keg; draft beer; including keg itself, stainless steel)
A typical, half-barrel beer keg weighs 0.0728 tonnes when full. A keg of this size contains 15.5 gallons of beer, or the equivalent of 6.8 cases.
It's about 8,000,000,000 times as heavy as an Octopus
In other words, 400,000,000 tonnes is 8,000,000,000 times the weight of an Octopus, and the weight of an Octopus is 0.00000000013 times that amount.(for Giant Pacific Octopus, Enteroctopus) (Adult, average)
The adult North Pacific Giant Octopus usually weighs around 0.05 tonnes. It is the largest octopus species and is known for its considerable intelligence, including the ability to open jars, solve mazes, and mimic other octopuses.