What our customers say about Percentage Calculator
Perfect for quick discount math—saved me time at checkout.
Great for KPI reports. The percentage change mode is spot on.
Clean UI and instant results—use it for school assignments.
Helpful for taxes and tips when traveling. Accurate and fast.
Love the decimal support; no rounding surprises.
Simple and reliable—my go‑to for quick percentage checks.
What makes this tool special?
Fast & Accurate
Get instant results with our optimized percentage calculator.
Privacy Protected
All processing happens in your browser. Your data never leaves your device.
No Installation Required
Use directly in your browser without downloading any software.
Multiple Modes
Solve X% of Y, percentage change, and base‑from‑part problems.
Decimal Support
Works with decimals for precise calculations.
Instant Results
Updates as you type with no page reloads.
Perfect for these situations
Professional Work
Perfect for professional tasks requiring percentage calculator.
Personal Projects
Ideal for personal projects and everyday percentage calculator needs.
Discounts & Sales
Calculate price after discount or required markup instantly.
Finance & Reports
Compute percentage change for KPIs, budgets, and statements.
Education & Homework
Quickly solve common percentage exercises and examples.
Tax & Tips
Figure out tax, tip, or gratuity percentages on amounts.
Frequently Asked Questions
Is this percentage calculator free to use?+
Do I need to create an account?+
What types of percentage problems are supported?+
Are calculations done locally?+
Do you round results?+
Can I use decimals?+
Calculate percentages, discounts, and percentage changes easily.