Math & Numbers
Percentage Calculator
Calculate what percentage a part is of a whole.
How to use the percentage calculator
Calculate what percentage a part is of a whole. Enter the requested values and select Calculate result. Check the units and options before interpreting the answer.
Formula and calculation method
Percentage = (part ÷ whole) × 100; the whole cannot be zero.
Worked example
18 is 30% of 60.
Limitations and interpretation
Results depend on inputs, assumptions and rounding. Verify results before using them for consequential decisions. Health estimates are not medical diagnoses.
Frequently asked questions
Can a percentage exceed 100%?
Yes, if the part is greater than the whole.
How do I find X% of a number?
Multiply the number by X and divide by 100.