Prozentrechner

Percent Calculator - 23 calculators in one app. Fast, elegant, and with easy-to-follow calculations.

Whether mental arithmetic has never been your strong suit or you simply need a reliable answer quickly, this app calculates instantly as you type—and, if desired, shows you the complete calculation process, explained step by step.

BASICS (free)

- Percentage Value: What is X % of Y?

- Base Value: X is Y % of what amount?

- Percentage Rate: X is what percentage of Y?

- Percentage change from one value to another

- Increase value by X% (increase)

- Decrease value by X% (decrease)

FINANCE

- VAT: Net, gross, and tax amount (free)

- Discount: Up to 3 discounts stacked on one price

- Compound interest: Investment plus savings rate over several years

- Amortization: Calculate annuity loans
- Margin: Purchase, sales, and profit margin in %

EVERYDAY LIFE
- Tip: Amount, percentage, and distribution among multiple people (free)

- BMI: Body Mass Index with ideal weight

- Grade calculator: Convert points to grades on scales (DE, AT, CH)

- Inflation: Convert purchasing power from one year to the next

ADVANCED
- Multiply and divide by percentage

- Percentage difference between two values

- Multiple percentage steps in succession
- Divide total amount by percentage

Fraction to percentage, percentage to fraction, fraction to decimal

WHY THIS APP

- Instant Results appear as you type, no extra "Calculate" button required

- Clear calculation process that explains each step - ideal for learning and understanding

- Completely ad-free

- History: your recent calculations always at hand

- Sleek, fast design - made in Germany by prozentrechner.net

FREE & PRO

The app is free and includes all basic calculators, as well as VAT and tip calculations. With Prozentrechner Pro, you unlock:

- All 23 calculators (BMI, amortization, compound interest, discount, margin, and more)

- Results with up to 6 decimal places instead of 2

- Unlimited history instead of just 3 calculations

- CSV and PDF export of your history

Pro is available as an affordable monthly subscription or as a one-time lifetime purchase - the choice is yours.

Questions or feedback? Contact us at prozentrechner.net.