📊 Percentage & Finance Calculator

Calculate percentages, profit, loss, discount, interest, GST, tax, salary changes and many other useful calculations instantly.

Percentage Calculator

Result
0
Formula: Percentage × Number ÷ 100

Percentage of a Number

Result
0
Formula: (Percentage ÷ 100) × Number

What Percentage is A of B?

Percentage
0%
Formula: (A ÷ B) × 100

Percentage Increase

Percentage Increase
0%
Formula: ((New − Original) ÷ Original) × 100

Percentage Decrease

Percentage Decrease
0%
Formula: ((Original − New) ÷ Original) × 100

Percentage Difference

Percentage Difference
0%
Formula: |A − B| ÷ ((A + B) ÷ 2) × 100

Percentage Change

Percentage Change
0%
Formula: ((New − Old) ÷ Old) × 100

Marks Percentage Calculator

Marks Percentage
0%
Formula: Obtained Marks ÷ Total Marks × 100

Profit Calculator

Result
0
Formula: Profit = Selling Price − Cost Price

Loss Calculator

Result
0
Formula: Loss = Cost Price − Selling Price

Profit / Loss Percentage

Result
0%
Formula: Profit or Loss ÷ Cost Price × 100

Selling Price Calculator

Selling Price
0
Formula: Cost Price + Profit

Cost Price Calculator

Cost Price
0
Formula: Selling Price ÷ (1 + Profit ÷ 100)

Discount Calculator

Discount & Final Price
0
Formula: Discount = Price × Rate ÷ 100
Final Price = Price − Discount

Simple Interest Calculator

Interest & Total Amount
0
Formula: SI = P × R × T ÷ 100
Total Amount = P + SI

Compound Interest Calculator

Interest & Total Amount
0
Formula: A = P(1 + R/n)^(n×T)
Compound Interest = A − P

GST Calculator

GST Result
0
Note: Add GST calculates tax over the entered amount. Remove GST extracts GST already included in the amount.

Add Percentage

Final Value
0

Subtract Percentage

Final Value
0

Commission Calculator

Commission
0

Tax Calculator

Tax & Amount After Tax
0

Salary Increase Calculator

New Salary
0

Salary Decrease Calculator

New Salary
0

Exam Marks & Grade Calculator

Percentage & Grade
0
Grade: A+ = 90%+, A = 80–89%, B = 70–79%, C = 60–69%, D = 50–59%, E = below 50%

📚 About This Percentage & Finance Calculator

This free online calculator helps you quickly calculate percentages, profit, loss, discount, interest, GST, tax, commission, salary changes and examination marks. Enter your values and get an instant result.

How to Use the Calculator

1. Select the calculator you need.
2. Enter the required values.
3. Click the Calculate button.
4. Your result will appear immediately.
5. Click Copy Result to copy the answer.

Who Can Use It?

Students, teachers, employees, shopkeepers, business owners and anyone who needs quick percentage or financial calculations can use this tool. It works on mobile phones, tablets, laptops and desktop computers.

❓ Frequently Asked Questions

How do I calculate a percentage?

Multiply the number by the percentage and divide by 100. For example, 20% of 500 is 100.

How do I calculate profit percentage?

Subtract the cost price from the selling price to find profit. Then divide profit by cost price and multiply by 100.

What is Simple Interest?

Simple Interest is calculated using Principal × Rate × Time ÷ 100.

What is Compound Interest?

Compound Interest is interest calculated on the principal together with accumulated interest according to the selected compounding frequency.

How is discount calculated?

Discount is calculated by multiplying the original price by the discount percentage and dividing by 100.

Can I use this calculator on my mobile?

Yes. The calculator is responsive and designed for smartphones, tablets, laptops and desktop computers.

Can I copy the calculation result?

Yes. Each calculator has a Copy Result button.

📊 Percentage & Finance Calculator
A simple online tool for percentage, profit, loss, discount, interest, GST, tax, salary and marks calculations.