What is 400 mcg in mg?
Understand the Problem
The question is asking to convert 400 micrograms (mcg) into milligrams (mg). This conversion requires an understanding of the metric system, where 1 milligram is equal to 1000 micrograms.
Answer
$0.4 \text{ mg}$
Answer for screen readers
The final answer is ( 0.4 \text{ mg} ).
Steps to Solve
- Identify the conversion factor
We know that 1 milligram (mg) is equal to 1000 micrograms (mcg). This will help us convert mcg to mg.
- Set up the conversion formula
To convert micrograms to milligrams, we can use the formula: $$ \text{milligrams} = \frac{\text{micrograms}}{1000} $$
- Plug in the value
Substituting 400 mcg into the formula gives us: $$ \text{milligrams} = \frac{400 \text{ mcg}}{1000} $$
- Calculate the result
Now we divide 400 by 1000: $$ \text{milligrams} = 0.4 \text{ mg} $$
The final answer is ( 0.4 \text{ mg} ).
More Information
This conversion is useful in various fields, such as pharmaceuticals, where precise measurements are necessary. Understanding the metric system and how to convert between different units is essential in scientific contexts.
Tips
- A common mistake is forgetting that there are 1000 micrograms in a milligram, leading to incorrect conversion. Always double-check the conversion factor.
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