Savings
Savings growth calculator
See how your savings could grow and what adding a little more each month could change.
This is not financial advice. The figures are illustrative estimates. Actual results may differ. Read the disclaimer.
Enable JavaScript to explore the calculator. The methodology and frequently asked questions are available below.
How savings grow
Each month the model adds interest to the balance, then adds your deposit. Your rate stays fixed. The monthly growth rate is derived from the annual equivalent rate (AER), so a balance left alone for a year grows by the stated annual percentage.
The projection excludes tax, fees and withdrawals. The example interest rate is illustrative.
Common questions
What is AER?
The annual equivalent rate describes how much interest would be earned over a year after compounding. Enter the AER you want to explore.
What if I leave the rate at zero?
The balance grows only by the amount you deposit. You can use 0% to compare contributions alone.
What does “in today’s money” mean?
It estimates what a future balance could buy at today’s prices. Enter an annual inflation assumption and the calculator divides each year’s projected balance by the accumulated change in prices. The same inflation rate applies each year and the monthly deposit amounts stay fixed.