Convert 4 L into millilitres ?

Options

A. 4000 mL
B. 2000 mL
C. 1000 mL
D. 400 mL

Answer

To convert 4 liters into milliliters, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Conversion Factor**:
We know that 1 liter is equal to 1000 milliliters. This is our key conversion factor.

2. **Set Up the Conversion**:
To convert 4 liters to milliliters, we can use the conversion factor:
\[ \text{Milliliters} = \text{Liters} \times 1000 \]

3. **Substitute the Value**:
Now, we substitute the value of liters (which is 4) into the equation:
\[ \text{Milliliters} = 4 \, \text{liters} \times 1000 \, \text{milliliters/liter} \]

4. **Calculate the Result**:
Performing the multiplication gives us:
\[ \text{Milliliters} = 4 \times 1000 = 4000 \, \text{milliliters} \]

5. **Final Answer**:
Therefore, 4 liters is equal to 4000 milliliters.