Percentage Calculator
Work with percentages, percentage shares and percentage changes in one place.
How much is % of ? Result: —
What percent is of ? Result: —
What is the percentage change from to ? Result: —
How much is with a % ? Result: —
How this percentage calculator works
This tool brings together the most common percentage calculations in a single interface. You can calculate shares, compare values, measure percentage changes, and apply increases or decreases.
Each calculation works independently. Simply enter the numbers and the result updates instantly, making the calculator useful for prices, statistics, growth analysis, and everyday comparisons.
Common examples
- Discounts: What is 20% off 150?
- Shares: What percent is 14 of 155?
- Growth: How much did a value change from 120 to 180?
- Adjustments: Increase or decrease 100 by 15%.
Related Calculators
For working with number sets and summaries, you may find these tools helpful: Average Calculator and Median & Mode Calculator.
If your calculations involve money, try: Tip Calculator and Loan Payment Calculator.
FAQ
What is a percentage used for?
A percentage is used to describe how large one part is in relation to a whole. It helps express proportions in a clear and comparable way.
Why are percentages used instead of absolute numbers?
Using percentages makes it easier to compare values of different sizes. Absolute numbers can be misleading, while percentages always show relative scale.
Where are percentages used in everyday life?
They are commonly used in discounts, taxes, interest rates, statistics, and growth comparisons. Many everyday decisions rely on percentage-based information.
Why do percentages make comparisons easier?
Because everything is placed on the same scale from 0 to 100, differences and changes become easier to understand and compare.
Why can percentages sometimes be confusing?
Confusion often occurs when it is unclear what the percentage refers to. Knowing the reference value is essential for correct interpretation.
Can percentages be greater than 100%?
Yes, percentages can be greater than 100%. This happens when the part is larger than the total or when a value has increased beyond its original amount.