What if I enter a 0% return?

The calculator subtracts what you have already saved from the target and divides the remaining amount evenly across the available months.

Why does the result show zero?

Under the entered rate and time, your current savings alone are projected to meet or exceed the target. That remains an estimate if the rate can change.

Should I include inflation in my target?

If the goal is several years away and its cost may rise, consider increasing the target itself. This calculator does not automatically inflation-adjust your goal.

Are contributions made at the start or end of the month?

They are modeled at the end of each month. Beginning-of-month contributions would have one additional month to grow.

Practical Money Calculators

GUIDE

Treat the monthly amount as a planning baseline. If your rate is uncertain, also calculate the goal at 0% to see the contribution required without assumed growth.

Turn a goal into a monthly action

A useful savings goal has both an amount and a date. The calculator takes those two endpoints, accounts for money already saved, and estimates a level monthly contribution.

The answer is most useful when it is compared with your real monthly cash flow. If it is not affordable, you can extend the date, reduce the goal, find a safe place with a different expected yield, or divide the goal into stages.

Choose assumptions carefully

For a short-term or essential goal, a high return assumption can make the monthly requirement look artificially low. Use a rate that reflects the type of account and your tolerance for uncertainty.

Running a second scenario at 0% is a useful stress test. It shows how much you would need to contribute if growth adds nothing.

Keep emergency and near-term money accessible.
Use the net rate after known fees when possible.
Review the plan when the target, deadline, or available contribution changes.
Automating contributions may help turn the estimate into a repeatable habit.

Important limits

The calculation assumes a constant return, monthly compounding, and contributions made at the end of every month. It excludes taxes, fees, inflation, withdrawals, and irregular deposits.

If the money is invested, the balance may fall as well as rise. A goal with a fixed deadline may need a more conservative approach as the date gets closer.

The formula used

PMT = [FV − P(1 + r/12)^(12t)] × (r/12) ÷ [(1 + r/12)^(12t) − 1]

PMT is the required end-of-month contribution, FV is the target, P is already saved, r is the annual decimal return, and t is years. A negative result is shown as zero because the current balance already reaches the target under the assumptions.

Example: building a five-year goal

WORKED EXAMPLE

Set a $50,000 goal in five years, begin with $5,000, and assume 4% annual growth compounded monthly. The estimated required contribution is about $662.08 per month. Across 60 months, new contributions total about $39,725 and the remaining difference comes from the starting balance and assumed growth.

Sources and further reading

We use primary educational sources to check terminology and explain how the calculation fits into real financial decisions.

Investor.gov — Savings Goal Calculator↗Consumer Financial Protection Bureau — Set a goal and make a plan↗

Savings Goal Calculator

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