GyanToolBox

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GyanToolBox

Free Indian Calculator Tools & Document Generators

GST Calculator | Salary Slip Generator | Invoice Generator | Percentage Calculator

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GyanToolBox Tools

Free Indian business tools for invoicing, GST calculation, and percentage math

EMI Calculator

Calculate Loan EMI

Monthly EMI:
₹0.00
Total Interest:
₹0.00
Principal Amount:
₹0.00
Total Payment:
₹0.00

How to use

  • Enter the loan amount you wish to borrow
  • Enter the annual interest rate offered by your bank/lender
  • Enter the loan tenure in years
  • Click Calculate to get your monthly EMI and other details
  • This is useful for home loans, car loans, personal loans, etc.

Note: EMI stands for Equated Monthly Installment - the fixed amount you pay to your lender each month, which includes both principal and interest.

SIP Calculator

Calculate Investment Returns

Invested Amount:
₹0.00
Estimated Returns:
₹0.00
Total Value:
₹0.00

How to use

  • Enter your planned monthly investment amount
  • Enter the expected annual return rate
  • Enter the investment time period in years
  • Click Calculate to see estimated future value
  • This helps plan your mutual fund and other SIP investments

Note: SIP stands for Systematic Investment Plan. It allows you to invest a fixed amount at regular intervals, typically monthly, in mutual funds.

Basic Percentage Calculator

Calculate Percentage

Result: -

How to use

  • Enter the percentage value (e.g., 10)
  • Enter the number you want to find the percentage of (e.g., 50)
  • Click Calculate to get the result (e.g., 5)
  • This is useful for calculating discounts, tips, taxes, etc.

What is X% of Y Calculator

Calculate What X is of Y

Result: -

How to use

  • Enter the first value (X)
  • Enter the second value (Y)
  • Click Calculate to find what percentage X is of Y
  • For example, if X = 5 and Y = 50, then X is 10% of Y

Percentage Increase/Decrease Calculator

Calculate Change

Result: -

How to use

  • Enter the original value (before change)
  • Enter the new value (after change)
  • Click Calculate to get the percentage change
  • Positive result = percentage increase
  • Negative result = percentage decrease

GST Calculator

Calculate GST

Amount:
₹0.00
GST:
₹0.00
CGST:
₹0.00
SGST:
₹0.00
Total Amount (with GST):
₹0.00

GST Information

Goods and Services Tax (GST) in India has different rate slabs:

  • 5% - Essential items, packaged food
  • 12% - Computers, processed food
  • 18% - Most services, electronics
  • 28% - Luxury items, cars, motorcycles

GST is split equally as CGST (Central) and SGST (State) components.

Invoice Generator

Business Details

Upload Logo

Client & Invoice Details

Invoice Items

Description Quantity Rate (₹) Amount (₹)
Subtotal: ₹0.00
GST Rate:
GST Amount: ₹0.00
Total: ₹0.00

Additional Information

Bank Transfer
UPI
PayPal

Salary Slip Generator

Read the Guide

Company Details

Click to upload logo

Employee Details

Earnings

Deductions

Total Earnings:
₹0.00
Total Deductions:
₹0.00
Net Salary:
₹0.00