Savings goal calculator
Enter a target and a timeframe to get the exact monthly, weekly and per-paycheck amount. Or flip it: enter what you can save and see when you will get there.
Why the deadline matters more than the total
The monthly amount is the goal divided by time, so it falls fast at first and then flattens. Drag the slider above and watch the dot: going from 6 to 12 months halves the payment; going from 36 to 42 barely changes it.
12 months → $416.67/month.
Get a Spark plan for this goal
A short, personal plan — weekly amount, where the money could come from, and rewards for each milestone. Written by AI from the numbers above; it is guidance, not financial advice.
The formula behind a savings plan
With no interest, the monthly amount is simply (goal − already saved) ÷ months. With interest, each deposit grows until the deadline, so the calculator solves the standard future-value-of-an-annuity equation for the payment: PMT = (goal − saved × (1 + r)n) × r ÷ ((1 + r)n − 1), where r is the periodic rate derived from the APY and n the number of deposits.
For short goals the difference is small. Saving $5,000 over 12 months at 4% APY needs about $408 a month instead of $417 — interest covers roughly $90. Over five years the gap widens considerably, which is why long goals such as a house deposit benefit most from a high-yield account.
Monthly savings by goal and timeframe
| Goal | 6 months | 12 months | 24 months | 36 months |
|---|---|---|---|---|
| $1,000 | $167 | $84 | $42 | $28 |
| $2,500 | $417 | $209 | $105 | $70 |
| $5,000 | $834 | $417 | $209 | $139 |
| $10,000 | $1,667 | $834 | $417 | $278 |
| $20,000 | $3,334 | $1,667 | $834 | $556 |
| $50,000 | $8,334 | $4,167 | $2,084 | $1,389 |
Rounded up to the next dollar, no interest, starting from $0.
Picking a timeframe you will stick to
A plan fails when the monthly number is bigger than what is left after bills. Start from your real surplus — the how much should I save a month page walks through that — then choose the shortest timeframe that fits. If you have several goals competing for the same money, a sinking fund plan splits it fairly.
Questions people ask
How do I calculate how much to save for a goal?
Subtract what you already have from the goal, then divide by the number of months until you need it. $5,000 in 12 months from zero is $416.67 a month. If the money earns interest, you need slightly less; the calculator handles that with the APY field.
How long will it take to save $10,000?
At $500 a month it takes 20 months; at $300 a month, 34 months; at $1,000 a month, 10 months (ignoring interest). Switch the calculator to "How long will it take?" for your own numbers.
Should I include interest in my savings plan?
For goals under a year it makes little difference. Over several years in a high-yield account, interest can cover a noticeable share. Use a conservative APY, since savings rates change.
Is it better to save weekly or monthly?
The total is the same. Weekly or per-paycheck amounts are smaller numbers and line up with when money arrives, which makes them easier to stick to for many people.
How is the daily amount calculated?
The remaining amount is spread over the number of calendar days in the period. It is useful for comparing with daily habits — a $6 coffee against $13.70 a day for a $5,000 goal, for example.