Formula
Savings goal formula
Future balance = current savings x (1 + r)^n + monthly contribution x (((1 + r)^n - 1) / r)The calculator also solves for the monthly contribution required by the target month.
Money Calculators
Savings Goal Calculator
Use this savings goal calculator to estimate months to goal, monthly contribution needed, and projected balance from savings and return assumptions.
Reviewed May 25, 2026EstimateFormula shown
Live calculator
Savings goal
Time to goal31 months
Based on the monthly contribution and return assumption.
Needed per month$785.17
Monthly contribution needed to reach the goal in 24 months.
Projected balance$20,381
$20,000 remaining before contributions and growth.
How much has to come from savings
You have $5,000.00 saved toward a $25,000.00 goal. At the entered target date, the required contribution is $785.17per month.
Goal timeline
Projected balances at year-end checkpoints and the target month.
| Point | Contributions | Growth | Balance |
|---|---|---|---|
| Year 1 | $12,200.00 | $337.19 | $12,537.19 |
| Month 24 | $19,400.00 | $981.45 | $20,381.45 |
How to use
Steps
- Enter the total amount you want to reach.
- Enter what you already have saved.
- Enter the monthly contribution you expect to make.
- Use target months to compare your current plan with the monthly amount needed by a deadline.
Example
Sample calculation
Savings goal$25,000
Current savings$5,000
Monthly contribution$600
Time to goal31 months
Target-month requirement$809/month for 24 months
Calculator use
Best for
- Quick time to goal from savings goal, current savings and monthly contribution.
- Personal finance scenarios before changing a budget, loan, savings goal, or purchase plan.
- Monthly cash flow, affordability, debt payoff, or future-value estimates.
- Assumption checks before talking with a lender, tax preparer, employer, or financial professional.
Before relying on it
Check first
- Entering savings goal, current savings and monthly contribution from different time periods or scenarios.
- Mixing gross income, take-home income, one-time costs, and monthly costs in the same comparison.
- Forgetting taxes, fees, insurance, irregular bills, or minimum payments when using an estimate.
- Treating a planning estimate as a quote, tax filing result, approval decision, or guaranteed return.
Benchmarks
How to read the result
The calculator is a decision aid, not a fixed rule. Use the output to compare scenarios and document your assumptions.
Under 12 monthsCash planning
Short goals usually depend more on contribution size than investment return.
12 - 36 monthsDeadline sensitive
Useful for moving costs, a vehicle, home repairs, tuition, or other planned expenses.
36+ monthsLonger goal
Return assumptions matter more, but a lower-risk account may still fit if the deadline is firm.
Calculator accuracy
Methodology and assumptions
The formula, inputs, example, and limitations are shown so the result is checkable, not just a number in a box.
Formula
Future balance = current savings x (1 + r)^n + monthly contribution x (((1 + r)^n - 1) / r)
Inputs used
Savings goal, Current savings, Monthly contribution, Annual return, Target months
Limitations
Results are estimates for quick planning and should be checked before important financial, legal, tax, health, or business decisions.
Last reviewed
May 25, 2026
Cite this page
Toolkit Shelf. Savings Goal Calculator. Retrieved May 25, 2026, from https://toolkitshelf.com/tools/savings-goal-calculator
FAQ
Common questions
How do I calculate how long it will take to save money?
Start with current savings, add monthly contributions, and include any monthly growth assumption until the balance reaches the goal.
Does this guarantee an investment return?
No. The return is only an assumption for planning. Cash savings and investments can behave very differently.
Can this calculate required monthly savings?
Yes. Enter a target number of months to estimate the monthly contribution needed to reach the goal by that deadline.
Should I include investment returns for a short-term goal?
Be conservative for short-term goals. If the money must be available by a specific date, use a low or zero return assumption unless the account is very low risk.