Savings Goal Calculator
Use the current APY of the account, not a teaser rate
Projected in 5 years
Short$26,403
Goal $50,000 · $23,597 short
53% of goal
Required monthly
$651.44
$351 more needed
Interest earned
$3,403
on $23,000 deposited
At $300/mo you reach the goal in 9 yr 6 mo at 4.50% APY.
Balance by year
| Year | Deposited | Interest | Balance |
|---|---|---|---|
| Year 1 | $8,600 | $305 | $8,905 |
| Year 2 | $12,200 | $789 | $12,989 |
| Year 3 | $15,800 | $1,461 | $17,261 |
| Year 4 | $19,400 | $2,329 | $21,729 |
| Year 5 | $23,000 | $3,403 | $26,403 |
Monthly deposits at month-end, interest compounded monthly.
Most savings calculators tell you what a balance will grow to. That's the wrong question. The one you actually need answered: how much do I have to put away each month to hit my number by my date? This one solves for the deposit — and shows the shortfall when the amount you had in mind won't get there.
There are two ways to run a savings plan: forward (what will $300 a month become?) and backward (what must I save to reach $50,000 in five years?). Backward is how people actually think — the goal is fixed and the deposit is the variable — yet almost every calculator on the web runs forward. This page runs backward, and tells you plainly when the plan doesn't close.
FV = PV(1+i)^n + PMT · [((1+i)^n − 1) / i]- FV
- goal amount
- PV
- current savings
- PMT
- monthly deposit
- i
- monthly rate (APY ÷ 12)
- n
- months
Worked example: $50,000 in five years
You have $5,000 today, want $50,000 in five years, and can earn 4.5% APY. Solving for the deposit gives about $651 a month. Of the $50,000 you end up with, roughly $44,100 is your own money and about $5,900 is interest — a reminder that over five years, savings discipline matters far more than the rate you earn.
| Change | Required monthly | Difference |
|---|---|---|
| Baseline (5 yrs, 4.5% APY) | $651 | — |
| Rate falls to 3.0% | $703 | +$52 |
| Horizon shortens to 3 years | $1,193 | +$542 |
| Starting balance $15,000 | $497 | −$154 |
Same $50,000 goal in every row; one variable changed at a time.
APY versus APR, and why the difference matters here
APY includes the effect of compounding and is the number to use for savings. APR, used for loans, does not — which is why a 4.5% APY account and a 4.5% APR loan are not symmetric: the deposit actually earns slightly more than 4.5% in simple terms, while the loan actually costs slightly more once fees are counted. Always compare APY to APY.
| Account type | Typical APY range | Access | Insured |
|---|---|---|---|
| High-yield savings | 3.5%–4.5% | Instant | Yes, to $250k per depositor |
| 1-year CD | 3.5%–4.3% | Locked for term | Yes |
| Treasury bills | 3.5%–4.3% | At maturity | Federal backing |
| Big-bank savings | 0.01%–0.5% | Instant | Yes |
Ranges reflect recent rate cycles, not a quote. Check current rates before opening an account.
Sequence matters: emergency fund first, then goals
Before optimizing yield, park three to six months of essential expenses somewhere boring and liquid. We know — "high-yield savings account" is not a thrilling sentence. But money you need within two years has no business in the market: a 20% dip in year two of your house fund isn't volatility, it's a canceled plan. Goals five years out or longer can take market risk — and even then, model the return below the historical average when the plan actually matters.
Common savings mistakes
- Leaving a large balance in a 0.01% account because switching takes twenty minutes.
- Chasing a promotional APY that reverts after three months.
- Automating the deposit but not the annual increase — a 1% raise in contributions each year compounds too.
- Locking emergency money in a CD and paying a penalty to reach it.
- Counting a retirement account as an emergency fund.
Sources & review
Reviewed by The Numberridge Editorial Team
Fact-checked · methodology documented
APY conventions and deposit math follow FDIC / Regulation DD definitions.
Last updated October 2026
Frequently asked questions
How is the required monthly saving calculated?
By solving the future-value formula for the payment: PMT = (FV − PV(1+i)^n) × i ÷ ((1+i)^n − 1). The calculator does this algebraically, so the figure is exact for the rate and timeline you enter rather than found by trial and error.
What APY should I use for a savings account?
Use the account's current APY, not the promotional teaser rate, and assume it can change — savings rates track the policy rate. For planning over several years, a slightly conservative figure is safer than the best rate available today.
What is the difference between APY and APR?
APY includes the effect of compounding and is the correct figure for deposits. APR, used for loans, generally excludes it. That asymmetry is why a 4.5% APY account earns a little more than 4.5% simple, while a 4.5% APR loan costs a little more once fees are counted.
How big should my emergency fund be?
Three to six months of essential expenses is the standard range. Lean toward six or more if your income is variable, you are self-employed, or you support a household on one salary. Keep it liquid — a high-yield savings account rather than a CD or brokerage account.
Why is my projected amount lower than goal × months?
Because the goal includes interest earned along the way, so your own deposits need to cover less than the full target. The results panel separates total contributions from interest earned so you can see exactly how much of the goal the account itself is funding.
Should I save or invest for a goal three years away?
Save. Equity markets can fall 20% or more within any three-year window, and a shortfall right when you need the money is not recoverable. Money needed within two to three years belongs in deposits or short-dated Treasuries; longer horizons can take market risk.
Does inflation matter for a savings goal?
Yes, for goals more than a few years out. If you need $50,000 in ten years and prices rise 3% a year, you actually need about $67,000 to buy the same thing. Either raise the target by expected inflation or use a real (after-inflation) rate of return.
What if I cannot reach the required monthly amount?
Change one of the three levers: extend the timeline, lower the target, or raise the return — in that order of reliability. Increasing the horizon usually helps most, because the required deposit falls roughly in proportion to the extra months, while chasing a higher rate adds risk.
Still unsure? Ask us a question — we answer within two business days.
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