Savings Account Return Calculator
'/%3E%3Ccircle cx='48' cy='39' r='19' fill='%23f2c9a5'/%3E%3Cpath d='M27 35c3-16 39-17 42 2-8-8-27-9-42-2z' fill='%23374151'/%3E%3Cpath d='M21 86c5-24 49-28 56 0z' fill='%232563eb'/%3E%3Ccircle cx='41' cy='41' r='2' fill='%23111827'/%3E%3Ccircle cx='55' cy='41' r='2' fill='%23111827'/%3E%3Cpath d='M42 52c4 3 9 3 13 0' stroke='%2392400e' stroke-width='3' fill='none' stroke-linecap='round'/%3E%3C/svg%3E)
Reviewed by Calculator Editorial Team
Use this savings account return calculator to estimate how much you'll earn from interest and compounding over time. Simply enter your initial deposit, annual interest rate, and time period to see your projected balance.
How to Use This Calculator
To calculate your savings account return:
- Enter your initial deposit amount in the "Initial Deposit" field.
- Input your annual interest rate in the "Annual Interest Rate" field.
- Select whether the interest is compounded annually, semi-annually, quarterly, or monthly.
- Enter the number of years you plan to save in the "Time Period" field.
- Click the "Calculate" button to see your projected balance.
The calculator will display your future balance and show a growth chart if you have JavaScript enabled.
Formula Used
Compound Interest Formula
The future value (FV) of your savings account is calculated using the compound interest formula:
FV = P × (1 + r/n)^(n×t)
Where:
- P = Initial deposit amount
- r = Annual interest rate (in decimal)
- n = Number of times interest is compounded per year
- t = Time period in years
This formula accounts for the effect of compounding, where interest is earned on both your initial deposit and the accumulated interest from previous periods.
Worked Example
Let's calculate the future value of $1,000 invested at 5% annual interest rate, compounded quarterly, for 10 years.
| Variable | Value |
|---|---|
| Initial Deposit (P) | $1,000 |
| Annual Interest Rate (r) | 5% or 0.05 |
| Compounding Frequency (n) | 4 (quarterly) |
| Time Period (t) | 10 years |
Plugging these values into the formula:
FV = 1000 × (1 + 0.05/4)^(4×10) = $1,647.01
After 10 years, your $1,000 investment would grow to approximately $1,647.01 with quarterly compounding at a 5% annual rate.
Interpreting Results
The calculator provides several key pieces of information:
- Future Value: The total amount your investment will be worth after the specified time period.
- Total Interest Earned: The difference between the future value and your initial deposit.
- Growth Chart: A visual representation of how your investment grows over time.
Remember that these are estimates based on the assumptions you provide. Actual results may vary due to market conditions and other factors.
Frequently Asked Questions
How does compound interest work?
Compound interest means that interest is earned on both your initial deposit and the accumulated interest from previous periods. This can significantly increase your savings over time compared to simple interest.
What is the difference between APY and APR?
APR (Annual Percentage Rate) is the simple annual interest rate, while APY (Annual Percentage Yield) takes into account the effect of compounding, showing the actual annual rate of return.
How often should I compound my interest?
More frequent compounding generally leads to higher returns. However, the difference between annual, semi-annual, quarterly, and monthly compounding becomes smaller as the compounding frequency increases.