It's about one-seven-hundred-fifty-thousandth as heavy as The Empire State Building
In other words, 450 kilograms is 0.000001360 times the weight of The Empire State Building, and the weight of The Empire State Building is 735,000 times that amount.(New York City, New York)
The Empire State Building weighs approximately 331,000,000 kilograms. About 4% of the building's weight is its 6,000 cu. m (200,000 cu. ft) of limestone façade.
It's about 0.0000006 times as heavy as The Golden Gate Bridge
In other words, 450 kilograms is 0.0000005590 times the weight of The Golden Gate Bridge, and the weight of The Golden Gate Bridge is 1,790,000 times that amount.(San Francisco, California and Marin County, California) (Post 1986 weight reduction; total weight of bridge, anchorage, and approaches)
Following the completion of the 1986 project to eliminate excess material, the total weight of the Golden Gate Bridge — including its anchorages and approaches — is 805,000,000 kilograms. The two main cables in the spanning the bridge are spun out of a total of 129,000 km (80,200 mi) of wire.
It's about 2,000,000 times as heavy as a Raindrop
In other words, the weight of a Raindrop is 0.000000500 times 450 kilograms.(a.k.a. drop, a.k.a. droplet) (average)
The weight of a raindrop depends heavily on the type of weather, but averages about 0.0002 kilograms. The familiar teardrop shape of a raindrop is actually an optical illusion, caused by the reflection of the light and the motion of the drop.
It's about 0.00000008 times as heavy as The Great Pyramid of Giza
In other words, 450 kilograms is 0.0000000760 times the weight of The Great Pyramid of Giza, and the weight of The Great Pyramid of Giza is 13,000,000 times that amount.(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt)
The Great Pyramid of Giza has an estimated mass of 5,900,000,000 kilograms. The 2,300,000 stones used in the construction of the pyramid weighed an average 2,300 kilograms and were quarried from distances of up to 805 km (500 mi) away.
It's about 20,000,000 times as heavy as a Grain of Rice
In other words, 450 kilograms is 21,000,000 times the weight of a Grain of Rice, and the weight of a Grain of Rice is 0.0000000480 times that amount.(conventional; US; long-, medium-, and short-gran varieties; uncooked)
With great differences in variety, the average among a sampling of common short-, medium- and long-grain rices finds that a single grain weighs about 0.0000210 kilograms before cooking. A staple through most of human history, archaeological evidence indicates that the earliest rice cultivation was about 11,500 years ago.
It's about 100,000,000 times as heavy as a Grain of Sand
In other words, the weight of a Grain of Sand is 0.00000001000 times 450 kilograms.(medium grain)
With tremendous variety in the size of grain and the component material, grains of sand weigh an average of 0.00000440 kilograms. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 15.10 m (49.55 ft) in height.
It's about 100,000,000 times as heavy as a Sesame Seed
In other words, 450 kilograms is 124,000,000 times the weight of a Sesame Seed, and the weight of a Sesame Seed is 0.000000008060 times that amount.(Sesamum indicum)
A sesame seed weighs approximately 0.000003640 kilograms. The McDonald's Big Mac sandwich, which is well-known for its sesame seed top bun, accounts for the consumption of an estimated 2,009.32 kg of sesame seeds each day.