What could my savings grow to, and am I on pace?

See how starting money and monthly deposits may change over time. The return, fee, and inflation estimates stay visible and editable.

Modeled balance after 25 years

Starting with $10,000, adding $500 at each end of month, and applying the same 7% yearly growth estimate before fees.

Scheduled deposits: $160,000
Modeled net change: $286,925
In today's dollars: $241,067
Future value goal: $53,075 short; goal $500,000

See the full calculationFollow each number from the inputs to the answer.

Calculation 1

Find the balance at the end of the plan

What are we finding?

We are finding how much the starting money and monthly deposits could become under the entered return and fee.

What do these numbers mean?

Starting money: $10,000: The balance before month one begins.
Monthly deposit: $500: Money added at the end of each month. It starts changing in the next month.
Yearly return: 7%: 7% means 7 out of every 100 over a year in this model. It is not guaranteed.
Yearly fee: 0.2%: A balance based cost subtracted from the modeled return.
Time: 25 years: 300 monthly calculation steps.

How do we calculate it?

Each month, apply one twelfth of the yearly return minus fee to the current balance. Then add the monthly deposit. Repeat for every month.

next balance = current balance + monthly change + monthly deposit

$10,000 + $56.67 + $500

7% return minus 0.2% fee gives a net yearly rate of 6.8%.
Divide that rate by 12. Month one changes the starting balance by $56.67.
Add the $500 end of month deposit.
Repeat the same rule for 300 months. Total deposits, including the starting money, are $160,000.
The final balance is deposits plus $286,925 of modeled net change.

Final answer

$446,925 after 25 years

What does the answer mean?

This is a steady growth example, not a promise. Real returns can rise and fall, and actual fees may be charged differently.

Your estimated result

Starting amount

Deposit at the end of each month

$6,000 scheduled each full year

Yearly growth estimate before fees

The same yearly growth before fees, not a guaranteed return

Number of years

Savings goal at the end

About $568 at each end of month under the same assumptions

Purchasing power & fee drag

Yearly price increase estimate

The final balance becomes $241,067 in today's dollars

Yearly fee based on the balance

Zeroing this modeled fee raises the ending balance by $15,365

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What the ending balance reflects

Scheduled deposits compared with the net change under the entered assumptions.

$446,925

modeled balance

Scheduled deposits$160,000.0036%
Modeled net growth$286,925.3764%

Percentages show each part of the whole. For example, 25% means 25 out of every 100, or about 1 out of 4.

How the model changes over time

The balance line against cumulative scheduled deposits; both use the same end of month timing.

Estimated ending balanceMoney you put in

Main takeaway: the space between the two lines is the estimated change from growth and fees, not money you deposited.

What this result means

Interpretation under the visible constant rate, timing, fee, inflation, and goal assumptions.

How to read this

Money deposited and estimated growth

You deposit $160,000 and the example ends at $446,925. The $286,925 difference comes from the same growth and fee rates every month. It is not guaranteed money and has not already been earned.

Check this carefully

The ending balance is $53,075 below the goal

With the same growth, fee, timing, and number of years, depositing about $568 at the end of each month reaches $500,000. This leaves out taxes, changing markets, and changes to your deposits.

How to read this

Estimated yearly growth first becomes larger than yearly deposits in year 10

During that year, estimated growth is larger than the $6,000 deposited across 12 months. Real investment growth does not arrive evenly each month.

How to read this

Purchasing power under the inflation estimate

$446,925 in 25 years could buy about what $241,067 buys today if prices rise 2.5% every year. The $205,858 difference is not removed from the account. It only shows lower buying power.

How to read this

What the yearly fee changes

Removing the 0.2% yearly fee raises the estimated ending balance by $15,365. This includes growth the removed money could have earned. It is not a real fee bill and leaves out trading, advice, transfer, and tax costs.

Compare bounded alternatives

One input changes at a time; the future value goal stays fixed.

What you are looking at: Ending balance, scheduled deposits, and net change under alternative assumptions. Each row changes one choice while the other entered numbers stay the same.

Ending balance, scheduled deposits, and net change under alternative assumptions
Choice	Final balance	Scheduled deposits	Net change
Entered assumptionsYour plan$53,075 below goal	$446,925	$160,000	$286,925
5% return before fees$177,856 below goal	$322,144lower by $124,781	$160,000	$162,144
30 years$162,916 above goal	$662,916higher by $215,991	$190,000	$472,916
$600 at end of month$25,415 above goal	$525,415higher by $78,490	$190,000	$335,415

Main takeaway: the shaded row is your plan now. Read across another row to see what one change would do.

Compare changes to the schedule

Mechanical comparisons, not recommendations; risk, taxes, and product differences remain outside the model.

Possible change
Extend the model to 30 years
adds $215,991
This keeps the entered monthly deposit, return, fee, inflation, and future value goal unchanged while extending the constant path.
Keep in mind: $30,000 more scheduled deposits
Possible change
Model $568 at each end of month
adds $53,075
This is the monthly amount that solves the entered future value goal under the same constant return, fee, inflation, and timing assumptions.
Keep in mind: $20,286 more scheduled across the horizon
Possible change
Model $550 at each end of month
adds $39,245
This changes only the scheduled deposit. The return, fee, inflation, goal, and horizon inputs remain fixed.
Keep in mind: $15,000 more scheduled deposits
Possible change
Model a 0.05% annual fee
adds $11,467
This is a mechanical fee comparison. It does not include product differences, advice, risk, sales charges, taxes, or transfer and closing costs.
Keep in mind: 0.15% less annual balance based fee drag

Take it with you

Your inputs are already saved in this page's URL.

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How this tool was checked

Sources and review

Code and tests checked

StepShown checked the calculation code and its tests. The answer is still an estimate, not professional advice. Rules can also be different where you live.

Calculation version: Version 1.1
Last updated: Jul 29, 2026
Person responsible: StepShown engineering

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Read the StepShown calculation and writing rules, or report a problem.

Learn more

How the calculation works

The model combines the opening amount with a stream of deposits. Each month, the opening balance changes first and the scheduled deposit is added at the end of the month. Depositing at the start of the month would produce a different answer.

FV = P(1 + i)^N + PMT × (((1 + i)^N minus 1) ÷ i)

FV: the balance at the end of the period
P: your starting amount
PMT: the amount added each month
i: monthly growth rate, calculated as yearly growth before fees minus the yearly balance fee, divided by 12
N: number of months invested

When the net monthly rate is zero, StepShown uses the equivalent zero rate case: the starting amount plus the monthly deposit multiplied by the number of months.

StepShown runs the same arithmetic month by month so it can report each year, the first year whose modeled net change exceeds that year's deposits, and the ending balance difference from an otherwise identical zero fee case. The fee input is an annual balance based approximation spread across twelve months. It does not reproduce every product's billing method or include sales, transaction, advice, transfer, or tax costs.

The savings goal uses the same formula to find the deposit needed at the end of each month. The buying power number adjusts the ending balance for the same yearly price change. Neither answer predicts future investment growth or prices.

Actual savings and investments can have variable and sequence dependent returns, changing deposits, withdrawals, taxes, account limits, employer matches, dividends treated differently from the entered return, and product specific fees. Investments are not guaranteed and can lose value. Compare the assumptions with the account or product documents that apply to the decision.

Common questions

What does this calculator compound?

It applies one constant nominal annual return, minus the entered annual balance based fee, in twelve equal monthly periods. The opening balance changes first and each scheduled contribution is added at end of month.

What should the annual return input represent?

Enter a nominal return before the separate fee and inflation inputs. It is a scenario assumption, not a promised rate. Investments do not deliver a fixed return, and higher potential returns generally involve more risk.

When are monthly contributions added?

At the end of each modeled month. A deposit therefore begins earning or losing under the entered rate in the following month. A beginning of month convention would produce a different result.

How is the annual fee modeled?

StepShown subtracts the entered annual balance based percentage from the annual return and divides the net nominal rate by twelve. The displayed fee drag is the ending balance difference from an otherwise identical zero fee run. Actual products can deduct expenses differently and can include transaction, advice, sales, transfer, and other charges.

What does today’s value mean?

StepShown divides the future nominal balance by the entered constant inflation factor for every modeled year. It is a purchasing power scenario, not a prediction of CPI or the prices faced by a particular household.

How is the required monthly contribution solved?

StepShown holds the starting amount, horizon, return, fee, and end of month timing constant, then solves the ordinary annuity formula for the monthly deposit that reaches the future value goal.

What is not modeled?

Variable or sequence dependent returns, changes in contributions, missed deposits, withdrawals, taxes, dividends handled separately from the return input, account limits, employer matches, insurance, guarantees, transaction or sales charges, and institution-specific compounding or fee rules.

Saving rarely sits on its own. These are the questions that usually come with it.

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What could my savings grow to, and am I on pace?

Find the balance at the end of the plan

What are we finding?

What do these numbers mean?

How do we calculate it?

What does the answer mean?

Money deposited and estimated growth

The ending balance is $53,075 below the goal

Estimated yearly growth first becomes larger than yearly deposits in year 10

Purchasing power under the inflation estimate

What the yearly fee changes

Extend the model to 30 years

Model $568 at each end of month

Model $550 at each end of month

Model a 0.05% annual fee

Sources and review

How the calculation works

Common questions

Where to go next

Find the balance at the end of the plan

What are we finding?

What do these numbers mean?

How do we calculate it?

What does the answer mean?

Money deposited and estimated growth

The ending balance is $53,075 below the goal

Estimated yearly growth first becomes larger than yearly deposits in year 10

Purchasing power under the inflation estimate

What the yearly fee changes

Extend the model to 30 years

Model $568 at each end of month

Model $550 at each end of month

Model a 0.05% annual fee