Percentage Calculator

What is a percentage calculator?

A percentage calculator finds how much a given percent is of a number. Enter a value and a percentage to get the result instantly.

How to use

1. Enter the base value (for example, 200).
2. Enter the percentage (for example, 15).
3. Click Calculate to see the percentage amount.

Formula

Result = Value × Percentage / 100

Example

15% of 200 = 200 × 15 / 100 = 30.

Common uses

• Discounts and offers (for example, 20% off a price)
• Exam marks and score percentages
• Tips, commission, and simple tax-style estimates

Frequently Asked Questions

How do I calculate a percentage of a number?

Multiply the number by the percent and divide by 100. Example: 18% of 1,000 = 180.

Can this help with GST?

Yes for a quick percent amount. For add/remove GST on invoices, use the GST Calculator.