Calculator Online Money
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Reviewed by Calculator Editorial Team
This online money calculator helps you perform essential financial calculations for budgeting, savings, investments, and more. Whether you need to calculate interest, loans, compound growth, or financial ratios, this tool provides quick and accurate results.
How to Use This Calculator
Using this money calculator is simple. Follow these steps:
- Select the type of calculation you need from the dropdown menu.
- Enter the required values in the input fields.
- Click the "Calculate" button to get your results.
- Review the result and any additional information provided.
- Use the "Reset" button to clear the form and start a new calculation.
The calculator supports several types of financial calculations, including:
- Simple interest calculations
- Compound interest calculations
- Loan payments and amortization
- Investment growth projections
- Financial ratios (ROI, NPV, etc.)
Common Money Calculations
Simple Interest
Simple interest is calculated on the original principal amount and does not compound over time. The formula for simple interest is:
Simple Interest = Principal × Rate × Time
Where:
- Principal is the initial amount of money
- Rate is the annual interest rate (in decimal form)
- Time is the number of years the money is invested or borrowed
Example: If you invest $1,000 at a 5% annual interest rate for 3 years, the simple interest earned would be $150.
Compound Interest
Compound interest is calculated on the initial principal and also on the accumulated interest of previous periods. The formula for compound interest is:
A = P × (1 + r/n)^(nt)
Where:
- A is the amount of money accumulated after n years, including interest
- P is the principal amount (the initial amount of money)
- r is the annual interest rate (decimal)
- n is the number of times that interest is compounded per year
- t is the time the money is invested for, in years
Example: If you invest $1,000 at a 5% annual interest rate compounded annually for 3 years, the amount would grow to approximately $1,157.63.
Loan Payments
Loan payments can be calculated using the loan payment formula:
M = P × [r(1 + r)^n] / [(1 + r)^n - 1]
Where:
- M is the monthly payment
- P is the principal loan amount
- r is the monthly interest rate (annual rate divided by 12)
- n is the number of payments (loan term in years × 12)
Example: For a $10,000 loan at 6% annual interest over 5 years, the monthly payment would be approximately $192.04.
Formulas Used
The calculator uses the following formulas for different financial calculations:
Simple Interest
Interest = Principal × Rate × Time
Compound Interest
A = P × (1 + r/n)^(nt)
Loan Payment
M = P × [r(1 + r)^n] / [(1 + r)^n - 1]
Future Value of an Investment
FV = PV × (1 + r)^t
Present Value of a Future Sum
PV = FV / (1 + r)^t
These formulas are used to calculate various financial metrics based on the inputs you provide.