In Paris, scientists polished and weighed it carefully, until they determined that it was exactly one kilogram, around 2.2 pounds. Then, by international treaty, they declared it to be the ...

Understand the basic relationship: Remember that 1 kilogram is roughly equal to 2.2 pounds. Scale conversions: Use this foundation to estimate weights easily; for example, 10 kg ≈ 22 lbs, 100 kg ...

Save guides, add subjects and pick up where you left off with your BBC account. The approximation we use for kilograms (kg) to pounds (lb) is 1 kg = 2.2 lb. To convert from kilogram to pound, we ...

On Friday, representatives from 57 nations will gather in a conference room in Versailles, France to redefine the kilogram. In other words: the way we weigh the world is about to change.

The redefinition will have rippling implications; over 20 units in the metric system—including units of pressure, magnetism, and electrical charge—are based on the kilogram.

Practically speaking, the new kilogram weighs, to within a few parts per billion, exactly as much as the old kilogram did. If you weighed 93 kilograms (204 pounds) yesterday, you'll weigh 93 ...