VAT Calculator
Add or remove VAT (21%, 10%, 4%) from any amount.
Percentage Calculator
Calculate X% of a number, what percentage A is of B, and the change between two values.
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⚠️ Reference rates: results are estimates. Consult a financial advisor for important decisions.
The percentage calculator solves at a glance the three most common operations: what X% of Y is, what percentage one value represents of another, and the percentage change between two amounts. Useful for discounts, statistics, accounts and data analysis. Use it as many times as you need: it is completely free, requires no sign-up and works directly in your browser.
Frequently asked questions
¿Cómo calculo el 20% de 150?
Multiplica 150 por 0,20: el resultado es 30. En la calculadora elige el primer modo e introduce 20 y 150.
¿Cómo se calcula la variación porcentual?
Se divide la diferencia entre el valor inicial: (B − A) / A × 100. Un resultado positivo es un incremento y uno negativo una reducción.
How do I calculate 20% of 150?
Multiply 150 by 0.20: the result is 30. In the calculator pick the first mode and enter 20 and 150.
How is percentage change calculated?
Divide the difference by the starting value: (B − A) / A × 100. A positive result is an increase and a negative one a decrease.