Calculadora de Aumento Percentual
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
novo_valor = valor × (1 + aumento/100)
About this calculator
The Percentage Increase Calculator is a practical tool for quickly calculating the new value of a number after applying a percentage increase. You enter the original value and the percentage increase, and the calculator instantly returns the final result. It is useful for situations such as price adjustments, salary corrections, or additions to bills.
The operation is simple: the original value is multiplied by (1 + increase/100). For example, for a value of $200 with a 15% increase, the calculation is 200 × (1 + 15/100) = 200 × 1.15 = 230. The tool automates this calculation, avoiding manual errors and saving time.
You can use this calculator in various contexts: calculating the new price of a product after an adjustment, determining salary with a percentage increase, or simulating additions to investments. It is especially useful for finance professionals, retailers, and anyone dealing with percentages in daily life.
Be careful when interpreting the result: the percentage increase is applied to the original value, not the final value. Also, ensure the percentage is in the correct format (e.g., 15 for 15%). Avoid confusing percentage increase with percentage discount, which uses a different formula.
Frequently asked questions
How to calculate percentage increase without a calculator?
Multiply the original value by (1 + increase/100). Example: 200 with 15% increase: 200 × 1.15 = 230.
What is the difference between percentage increase and percentage discount?
For increase, multiply by (1 + percent/100). For discount, multiply by (1 - percent/100).
Can I use this calculator for inflation?
Yes, as long as you have the original value and the inflation rate in percentage. The result is the adjusted value.
What does a 100% increase mean?
A 100% increase doubles the original value. Example: 100 with 100% increase becomes 200.
Does the calculator work for negative values?
Yes, but note that increasing a negative value makes it less negative, i.e., closer to zero.