The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
A hummingbird weighs less than a penny.
1k
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
You burn 26 calories in a one minute kiss.
605
Most elephants weigh less than a blue whale's tongue.
442
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The cat brain weighs about 30g.
167