Savings Goal Timeline Calculator

US personal savings planner

Savings Goal Timeline Calculator

Estimate how long your savings goal may take, how much interest you could earn, and how much to set aside each month to reach a specific deadline.

1. Set your savings goal

Enter a target and what you already have saved. Use a positive interest rate only if you reasonably expect to earn one.

Name your goal (optional) Used only in your results and CSV.

Savings goal in today’s dollars ($) With 0% inflation, this stays a fixed dollar target.

Amount already saved ($) Money already available for this goal.

Monthly savings contribution ($) Assumed constant throughout the plan.

Expected annual percentage yield, APY (%) APY already includes compounding; not a promised rate.

Annual goal inflation (%) 0% for a fixed cash target. Positive values raise the target over time.

2. Choose your deadline

Compare your current savings plan with a target month. The calculator will estimate the monthly deposit required to reach it.

Desired goal month Choose a future month, up to 50 years away.

When do you add monthly savings? Beginning-of-month deposits earn that month’s interest.

How the estimate works: APY is converted to an equivalent monthly growth rate, (1 + APY)^1/12 − 1. Deposits and interest are modeled monthly, before income taxes, fees or withdrawals. If you enter inflation, the goal is treated as today’s purchasing power and grows each month.

Your savings goal projection

Estimated time to goal — Assuming monthly deposits continue

Monthly savings needed by deadline — Compared with your monthly plan

Interest earned by goal — Before taxes or account fees

Total new deposits by goal — Excludes money already saved

At your chosen deadline

Target month —

Projected savings balance —

Inflation-adjusted goal —

Additional savings needed —

Extra monthly amount needed —

The deadline projection assumes deposits keep going through that month, even if the goal is reached sooner.

Your goal’s building blocks

Starting savings —

Regular monthly contribution —

APY used —

Estimated monthly growth rate —

Goal balance when reached —

Goal amount when reached —

Compare different APY assumptions

Rates can change. These examples change your APY by two percentage points while keeping all other entries unchanged.

Sensitivity of your savings timeline to APY
APY scenario	Annual yield	Time to goal	Projected savings at deadline

Savings growth timeline

Monthly balances account for deposits and modeled interest. The table shows early checkpoints, yearly milestones and your chosen deadline. Download the full month-by-month projection.

Savings growth and moving target
Month	Projected date	Savings balance	Goal amount	Interest earned so far

How to calculate a savings goal timeline

First, enter your starting balance, regular monthly deposit, goal amount and an estimated APY. The calculator converts APY to an equivalent monthly interest rate: r = (1 + APY)^1/12 − 1, expressed using APY as a decimal. It simulates interest and deposits until your projected balance meets the goal.

If inflation is above zero, the target at month n is today’s goal × (1 + inflation)^n/12. For a fixed-dollar purchase, set inflation to zero. To estimate the monthly contribution for your selected deadline, the calculator reverses the compound-growth formula for that number of months.

Monthly deposits are assumed identical, the APY constant, and money left untouched. Actual APY can change, and institutions may calculate interest daily, compound it on a different schedule, impose fees or taxes, or apply minimum balance requirements. Results are estimates, not guaranteed account balances.

Frequently asked questions

What is the difference between APY and APR?

APY incorporates compounding over one year. An interest rate labeled APR does not necessarily include compounding in the same way. Enter a savings account’s APY here, not a loan APR.

Can the calculator estimate savings with no interest?

Yes. Set APY to 0%. With a fixed goal and no interest, the time depends entirely on your starting balance and monthly deposits.

Why does inflation make the savings goal increase?

If the target represents goods or services priced in today’s dollars, inflation may raise the future amount needed. Set inflation to 0% when your target is already a fixed nominal dollar amount.

What if I cannot reach the goal within the calculated period?

The calculator searches up to 100 years. If the modeled balance does not reach the target in that period, it shows that the goal is not reached under those assumptions. This does not imply the goal is mathematically impossible forever.

How is the monthly savings requirement calculated?

The calculator estimates the fixed monthly deposit required to reach your inflation-adjusted target by the chosen month, after growth on your current savings. It rounds the required deposit up to the nearest cent.

Does this calculator save my financial information?

The calculations run in your browser, and this tool does not intentionally transmit or store your entries. Other website analytics or cookies may operate separately.

Sources and disclaimer: Educational methodology is consistent with the Investor.gov Savings Goal Calculator and FDIC guidance on compound interest. This is not a savings-account quote or personalized financial advice. Returns, APY, inflation and balances can change. Taxes and fees are excluded.