How this savings goal calculator works
The calculator starts with your current savings and any one-off contribution, then projects monthly contributions and optional APY until the goal amount is reached. If target date mode is enabled, it also estimates the monthly amount needed by that month.
Time to goal vs target date mode
Time to goal answers how long the current monthly contribution may take. Target date mode answers what monthly contribution would be estimated for a selected month. Both are estimates based only on the values entered.
Contributions, current savings and interest
Current savings and one-off contributions form the starting balance. Monthly contributions are added at the timing selected in More assumptions. Interest is estimated from the APY field; use 0 if you want a contribution-only estimate without interest.
What APY means for this estimate
APY is an annual interest or return assumption. The calculator converts it to a monthly rate for the projection. APY can change, and the estimate does not guarantee any return.
What this calculator does not include
This calculator does not provide financial, tax, legal, accounting or investment advice. It does not include tax, account fees, withdrawal rules, inflation, market risk or changing contribution amounts.
Key terms and assumptionsStarting balance, time to goal, APY, target-date mode, contribution timing, region settings and estimate limits.
- Starting balance
- Starting balance is current savings plus any one-off contribution entered.
- Time to goal
- Time to goal is the first projected month when the balance reaches or exceeds the goal amount.
- APY
- APY is an annual interest or return assumption used for the estimate. It is not guaranteed.
- Target date mode
- When target date mode is enabled, the calculator estimates the monthly contribution needed by the selected month.
- Contribution timing
- Start-of-month contributions have slightly more time to earn interest than end-of-month contributions.
- Region settings
- Region settings change defaults and currency formatting only. They do not convert exchange rates.
- General estimate
- The calculator excludes tax, fees, inflation, account rules, withdrawal limits, changing returns and financial advice.
Guides and methodology
Plain-English notes that explain the assumptions behind related calculators and tools.
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FAQs
What is a savings goal calculator?
It estimates how long it may take to reach a target amount or how much monthly saving may be needed by a target date.
What if I already have enough saved?
The calculator shows that the goal is already reached when current savings and one-off contributions meet or exceed the goal entered.
Does the calculator include interest?
Yes, if you enter an APY above 0. You can use 0 to ignore interest.
Are returns guaranteed?
No. APY or return values are assumptions for the estimate and can change over time.
What if I set a target date?
The calculator can estimate the monthly contribution needed to reach the goal by that month.
Does this include tax or fees?
No. It does not include tax, account fees, withdrawal rules or inflation.
Can I add a one-off contribution?
Yes. Use the advanced one-off contribution field.
Is this financial advice?
No. It is a general savings estimate based on the numbers entered, not financial, tax, legal, accounting or investment advice.