It's about one-fortieth as heavy as a Blue Whale
It's about 55 times as heavy as an Octopus
In other words, the weight of an Octopus is 0.019 times 42,000,000 grains.(for Giant Pacific Octopus, Enteroctopus) (Adult, average)
The adult North Pacific Giant Octopus usually weighs around 770,000 grains. 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.
It's about one-fifty-fifth as heavy as a House
In other words, the weight of a House is 57.50 times 42,000,000 grains.(149 sq. m, single-level, unfurnished)
A 149 sq. m (1,600 sq. ft), single-story, unfurnished house (without extensive masonry) of the type commonly found in America would weigh approximately 2,410,000,000 grains, based on the weight of the included materials. In contrast, a yurt — a type of dwelling structure popular among nomadic peoples of East Asia — typically weighs less than 7,100,000 grains.
It's about 60 times as heavy as a Toilet
In other words, 42,000,000 grains is 62.40 times the weight of a Toilet, and the weight of a Toilet is 0.016 times that amount.(KOHLER Round front sitting flush toilet, model #K-11471-0)
The weight of a typical round front sitting flush toilet is 673,000 grains. The Indian town of Musiri in Tamil Nadu state features the world's only paying toilet, which rewards its users up to 10¢ Indian (10 paisas) per visit and uses the waste for compost and fertilizer.
It's about 90 times as heavy as a Dalmatian
In other words, 42,000,000 grains is 92.30 times the weight of a Dalmatian, and the weight of a Dalmatian is 0.0108 times that amount.(a.k.a. Dalmatinac, a.k.a. Carriage Dog, a.k.a. Spotted Coach Dog, a.k.a. Firehouse Dog) (FCI standard; male)
The Fédération Cynologique Internationale (FCI) calls for Dalmatians to weigh between 455,000 grains. The association of the breed with fire departments (and similarly with Budweiser Beer and its team of Clydesdales) stems from their affinity for horses, having been used historically as carriage dogs capable of guiding horse-drawn fire engines to the sites of blazes.
It's about 200 times as heavy as a Gold Bar
In other words, 42,000,000 grains is 218.750 times the weight of a Gold Bar, and the weight of a Gold Bar is 0.004571428571 times that amount.(London Good Delivery bar)
A "London Good Delivery" gold bar — the variety commonly held by Central Banks — should weigh 192,000 grains. The largest gold bar ever produced was minted by Mitsubishi Materials Corporation (a sibling company of the auto manufacturer) in 2005 and weighed 3,858,089.5880 grains.
It's about one-two-hundred-fiftieth as heavy as Christ the Redeemer (statue)
In other words, 42,000,000 grains is 0.00429 times the weight of Christ the Redeemer (statue), and the weight of Christ the Redeemer (statue) is 233 times that amount.(a.k.a. O Cristo Redentor, a.k.a. Christo redemptor) (Rio de Janeiro, Brazil)
Christ the Redeemer weighs 9,800,000,000 grains. The statue overlooks the city of Rio de Janeiro from atop the 709.9-meter (2,329 ft) granite peak in the Tijuca Forest National Park.