What fraction of 1 litre is 1 millilitre

1 millilitre = 1/1000 L

just like
1 mm = 1/1000 m
just like
1 mg = 1/1000 gram

the beauty of the metric system.

To find the fraction of 1 litre that is equal to 1 millilitre, you need to compare these two quantities.

Step 1: Convert 1 millilitre to litres.
Since there are 1000 millilitres in a litre, divide 1 millilitre by 1000 to convert it to litres: 1 millilitre ÷ 1000 = 0.001 litres.

Step 2: Set up the fraction.
Now that we have the quantity of 0.001 litres, we can set up the fraction. The numerator will be the 1 millilitre, which is 0.001 litres, and the denominator will be the total volume of 1 litre.

Therefore, the fraction of 1 litre that is equal to 1 millilitre is: 0.001/1.

Simplifying the fraction, we get: 1/1000.