milligram
C2Pronunciation
UK
- /mˈɪlɪɡrˌæm/
US
- /ˈmɪləˌɡræm/
Description
- tiny unit of mass
- one-thousandth of a gram
- used for very small amounts
Imagine trying to weigh something almost too light to notice. A milligram is that small: one-thousandth of a gram. It is used for very small amounts, like the dose of medicine in a pill or the amount of a vitamin in food. You would not measure flour for a cake in this unit, but you might measure iron or vitamin C.
The word comes from "milli," meaning one-thousandth, and "gram," a standard unit of mass. It is common in science, medicine, and nutrition when people need to measure small amounts carefully. If a label says a tablet has 200 mg of something, that means it contains 200 milligrams.
A milligram (mg) is a metric unit of mass equal to one-thousandth of a gram (g). That's incredibly small! To put it in perspective: there are 1,000 milligrams in one gram, and about 28,349 milligrams in an ounce. Think of it like this—if a gram were the size of a paperclip, a milligram would be roughly the size of a grain of fine sand.
Milligrams aren't used for everyday measurements like weighing groceries or people. Instead, they are crucial in fields where precise measurement is essential. In *medicine*, dosages of drugs are often measured in milligrams—even tiny changes can have significant effects on the body. For example, a common pain reliever might contain 200 mg of its active ingredient per tablet.
In *nutrition*, milligram measurements help us understand the amount of vitamins and minerals in our food. You'll see them listed on nutrition labels for things like Vitamin C (ascorbic acid) or iron.
*Science* relies heavily on milligrams when working with chemicals, compounds, and biological samples. Researchers need to accurately measure even minuscule amounts for experiments and analysis.
So, while you won't be weighing your apples in milligrams anytime soon, this tiny unit of measurement plays a huge role in keeping us healthy, understanding the world around us, and driving scientific discovery.
Examples
- 1
Supplement label
Each capsule has 500 milligrams of vitamin C.
- 2
Medical dosage
The doctor told him not to take more than 50 milligrams a day.
- 3
Chemical testing
Even a few milligrams of the chemical were enough to change the test result.
Forms and spellings
2 forms open this card.
Main spelling
- milligramnoun
Forms
- milligramspluralnoun