Percentage of a number
Your result16
20% of 80
Result = percentage ÷ 100 × number
20% of 80 is 16. Write 20% as 0.20, then multiply 0.20 by 80.
Worked example
One percent of 80 is 0.8. Twenty such parts total 16. This provides a second way to check the answer.
Try it with your own numbers
Use the Percentage Of Calculator to check another example. Read the input labels carefully and keep units consistent.
Before you use the answer
Choose the correct starting quantity and keep full precision until the final step. An arithmetic result describes the numbers entered; the usefulness of the result depends on accurate measurements and the assumptions in the calculation.
