Percentage Calculator

All-in-one percentage calculator with four modes: X% of Y, what percent X is of Y, percentage change between values, and increase/decrease by percentage. Real-time results with formula display.

What is X% of Y?

Percentage (%)

Number

Enter values above to see the result in real time.

Common Percentages Reference

10%

1/10 = 0.1

20%

1/5 = 0.2

25%

1/4 = 0.25

33.3%

1/3 = 0.333

50%

1/2 = 0.5

75%

3/4 = 0.75

How to Use Percentage Calculator

1Select a calculation mode (e.g., 'X% of Y').
2Enter the values.
3See the result instantly with the formula.

Frequently Asked Questions

What calculations are supported?▾

Four modes: X% of Y, X is what % of Y, percentage change, and increase/decrease by percentage.

Does it show the formula?▾

Yes! Each calculation displays the formula used so you understand the math.

Can I see calculation history?▾

Yes, the tool keeps a history of your last 10 calculations.

About Percentage Calculator

All-in-one percentage calculator with four modes: X% of Y, what percent X is of Y, percentage change between values, and increase/decrease by percentage. Real-time results with formula display.

NexTool's Percentage Calculator is completely free to use with no sign-up required. Your data is processed directly in your browser and never sent to our servers, ensuring complete privacy and instant results.