Loan Calculator
Estimate monthly loan payments, total paid, and total interest from loan amount, annual rate, and term.
Finance
OpenSavings Calculator
Estimate how savings may grow from an initial balance, monthly deposits, annual interest rate, and time horizon.
All processing happens locally in your browser. Your input is never sent to a server or saved by Wraplet.
Savings projection
14,884.58 estimated balance
- Total contributions
- 13,000
- Estimated interest
- 1,884.58
Finance calculators provide general estimates only and are not financial, tax, lending, or investment advice.
Formula or method
Monthly rate = annual rate / 12
Each month: new balance = previous balance x (1 + monthly rate) + monthly deposit
Estimated interest = final balance - total contributions
Inputs
Enter the starting amount, planned monthly deposit, annual interest rate, and saving period. Use zero for fields that do not apply.
Result
The projection shows an estimated balance based on monthly compounding and regular end-of-month deposits.
Use cases
- Estimate emergency funds, recurring savings plans, down payment goals, or long-term cash growth scenarios.
How to use
Enter the starting savings amount and monthly deposit.
Add the annual interest rate and number of years.
Review the estimated final balance, total contributions, and estimated interest.
Examples
Savings Calculator example
This example adds 60 monthly deposits of 200 after starting with 1,000, with interest estimated monthly at 5% per year.
Initial amount 1000, monthly deposit 200, annual interest 5%, time 5 years
15,664.79 estimated balance, 13,000.00 total contributions, 2,664.79 estimated interest
Frequently asked questions
Is this savings calculator financial advice?
No. It is an educational estimate. Actual account balances can vary with fees, taxes, rate changes, deposit timing, and institution rules.
How are monthly deposits handled?
The calculator applies monthly interest to the current balance, then adds the monthly deposit for that month.
Can I use a zero interest rate?
Yes. A zero rate shows how much your starting balance and monthly deposits add up to without interest.
Why might my real savings differ?
Real savings can differ because rates change, deposits may arrive on different dates, and taxes or fees may apply.