It's about as heavy as a cubic meter of Snow.
In other words, the weight of a cubic meter of Snow is 1 times 3,500,000 grains.(Freshly fallen, standard conditions; measurements taken in Norway, 1965-68)
One cubic meter of freshly fallen snow under standard conditions weighs an average of 3,500,000 grains. Assembled in 2008, the world record largest snowman was constructed of 91,000,000,000 grains of snow and stood 37.21 m (122.1 ft) tall.
It's about nine-tenths as heavy as a Pig.
In other words, 3,500,000 grains is 0.910 times the weight of a Pig, and the weight of a Pig is 1.10 times that amount.(Domestic pig, Sus scrofa domesticus, a.k.a. S. domesticus) (adult)
Domestic pigs weigh between 3,900,000 grains. 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-one-tenth times as heavy as The Heart of a Blue Whale.
It's about one-and-two-fifths times as heavy as a Reindeer.
In other words, 3,500,000 grains is 1.370 times the weight of a Reindeer, and the weight of a Reindeer is 0.730 times that amount.(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)
An adult, male reindeer weighs between 2,550,000 grains. 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-and-a-half times as heavy as a Panda Bear.
In other words, the weight of a Panda Bear is 0.670 times 3,500,000 grains.(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)
An adult, male Giant Panda weighs up to 2,300,000 grains. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 99,000 grains of it per day to compensate for the limited energy the plant provides.
It's about half as heavy as a Horse.
In other words, 3,500,000 grains is 0.540 times the weight of a Horse, and the weight of a Horse is 1.90 times that amount.(Equus ferus caballus) (Arabian, adult)
n Arabian riding horse (or similar breed) weighs between 6,500,000 grains. During races, horses must carry jockeys and their equipment, which in the Kentucky Derby, for example, can weigh up to 840,000 grains.
It's about half as heavy as a Grand Piano.