10 cm is 3.94 inches. It’s also 100 mm, or exactly one-tenth of a meter. Now forget the numbers for...

6 centimeters is 2.36 inches — just past the 2-inch mark on any standard ruler. Hold four fingers flat together,...

Six ounces is 170.1 grams. Pick up a small can of tuna from your pantry. That’s it. That’s exactly what...

1 centimeter is 10 mm, 0.01 meters, and 0.3937 inches — just under four-tenths of an inch. The fastest way...

5 cm is 1.97 inches, or exactly 50 millimeters. That puts it just a hair under the 2-inch mark on...

4 centimeters is 1.57 inches. On a ruler, it’s the fourth mark on the centimeter side — clear, simple, right...

2 centimeters is 20 millimeters, 0.79 inches, and just barely shorter than ¾ of an inch. Place your thumb next...

3 cm is 30 mm, or 1.18 inches. In feet, it’s 0.098 — basically nothing on a tape measure. But...

50 pounds is 22.68 kilograms. That’s the legal limit on your checked airline bag, the salt bag in your basement,...