What is Percentage Calculator?
Free online percentage calculator. Multiple modes: X% of Y, X is what % of Y, percentage increase/decrease. Real-time results. Suitable for shopping discounts, salary raises, and data analysis.
▶Use Cases4 scenarios
- ◆Discount calculation
- ◆Salary increases
- ◆Grade percentages
- ◆Data analysis
▶How to Use3 steps
- 1Choose calculation mode
- 2Enter values
- 3See result
▶Features4 features
- ✓Multiple modes
- ✓Real-time
- ✓Simple & intuitive
- ✓Free
▶FAQ7 questions
What is Percentage Calculator?
An online percentage calculator. X% of Y, increase/decrease percentage. Supports multiple input formats with one-click copy or download. All operations run locally in your browser — no uploads.
Can it calculate compound percentages?
Single percentage calculations are supported; compound percentages need step-by-step.
How do I calculate percentage change?
Use the increase/decrease mode with original and new values.
How accurate is Percentage Calculator?
Accurate. Uses standard algorithms. Precisely calculates percentages, growth rates, discounts, and more. Results precise to 2 decimal places.
Will my input data be saved?
No. All calculations happen locally in your browser. Input is never uploaded or stored.
Can I use this on my phone?
Yes. Responsive design works smoothly on phones, tablets, and desktops.
Do I need to sign up or pay?
No. Completely free, no signup, no usage limits.