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Savings goal calculator

How long until you reach your savings goal?

Find the time to your savings goal, or choose a deadline and see how much to save each month. Download a monthly plan to keep.

Currency All amounts use this currency. Switching does not convert the values.

Income-loss reserve

Estimate a cash reserve for an income interruption, using your essential costs and a coverage period you choose.

Essential monthly expenses

Include the housing, food, utilities, insurance and minimum debt payments you would still need to pay.

Months of coverage you choose

Choose a whole number from 1 to 1,200. No coverage period is recommended automatically.

Uncommitted liquid savings

Count accessible cash not assigned elsewhere. Exclude money for known bills, repairs, replacement purchases or other goals; do not count it twice.

Amounts and the derived target must be between 0 and 1 billion, using the selected currency’s decimal precision. Changing currency does not convert values. Do not use thousands separators.

Complete all three fields to see coverage and the reserve target.

These entries stay in this page’s memory. Reload to remove them; no reserve amounts are stored or sent to analytics.

Your numbers

Adjust the inputs to explore different scenarios.

Goal amount

Already saved

Saving each month

Assumed nominal annual rate (%)

The default is 0%. These are hypothetical scenarios, not account offers or guaranteed returns. The annual rate is divided by 12 and compounded monthly; it is not APY / AER.

Enter whole amounts from 0 to 1 billion and a rate from 0% to 100%. Planning horizon: up to 1,200 months.

Your estimate

See what your numbers mean, then compare your options.

Time to reach $100,000.00

16 years, 8 months

Saving $500.00/month at 0% a year, starting from $0.00.

You put in

$100,000.00

Interest & growth

$0.00

How your savings could grow$100,000.00

How much should I save each month?

Use the same goal, starting savings and rate above. Choose how many months you have, and work backwards to a monthly amount.

Months until your goal

Choose a whole number from 1 to 1,200 months. For example, 24 months is two years.

Monthly saving needed

$4,166.67

To reach $100,000.00 in 2 years, with the assumptions above.

Monthly saving is rounded up to the smallest unit of this currency. Deposits happen at month-end.

CSV includes the starting balance and each month's contribution, assumed interest and closing balance in your selected currency. Decimal points and commas are used for spreadsheet import. It is created on your device; no amounts are uploaded.

What if you saved more each month?

Time to reach $100,000.00 from $0.00 at 0% a year.

Saving per month	Time to goal
$100.00	83 years, 4 months
$250.00	33 years, 4 months
$500.00you	16 years, 8 months
$750.00	11 years, 2 months
$1,000.00	8 years, 4 months
$2,000.00	4 years, 2 months

Milestones on the way

At $500.00/month and 0% a year.

$1,000.002 months

$10,000.001 year, 8 months

$100,000.0016 years, 8 months

How this works

Your balance is compounded monthly at your annual rate divided by twelve, and each contribution is added at the end of the month. The timeline solves the future-value formula for the number of months: with a monthly rate r above zero, months = ln((goal × r + monthly) ÷ (saved × r + monthly)) ÷ ln(1 + r); with a 0% return it's simply (goal − saved) ÷ monthly. Results are rounded up to the next whole month, so the balance at that point is usually a little past the goal.

The rate is a fixed planning assumption, not a forecast or product offer. Investment values can fall; this calculator only models non-negative rates. Taxes, fees, inflation and missed contributions are not included. Your entered amounts stay in this browser. Downloading a CSV saves a copy on your device.

The reverse calculation solves the same formula for the monthly contribution. At 0%, it is (goal − saved) ÷ months. At a positive monthly rate r, it is (goal − saved × (1 + r)^months) × r ÷ ((1 + r)^months − 1), with a minimum of zero.

Not sure what you can actually put away each month? Deco works that out from your real spending.

Turning a goal into a monthly plan

Find the time to your savings goal, or choose a deadline and see how much to save each month. Download a monthly plan to keep.

Monthly saving is rounded up to the smallest unit of this currency. Deposits happen at month-end.

Start with the default 0% scenario to see what your contributions alone would achieve. You can change the hypothetical rate and download either monthly schedule as a CSV file.

Common questions

How is the monthly savings target calculated?

At 0%, subtract what you have already saved from your goal and divide the remainder by the number of months. For example, a 10,000 goal with 1,000 already saved and 18 months remaining needs 500 per month. With a positive assumed rate, the calculator also includes monthly compounding.

What does the annual rate mean here?

The calculator uses a fixed nominal annual rate divided by 12. Interest is added each month before that month’s contribution. APY and AER include compounding and are different measures. The 0%, 2% and 5% buttons are hypothetical scenarios, not quoted account rates or return forecasts.

What is left out of the savings plan?

The estimate assumes equal deposits at each month end and a constant rate. It does not model withdrawals, fees, taxes, inflation or changing returns. Months are whole periods, rather than calendar dates. The tool supports plans up to 1,200 months; an estimate is not a guarantee.

Can I keep or share my monthly plan?

Yes. Download the timeline or deadline plan as a CSV file and open it in a spreadsheet. It includes the starting balance and each month’s contribution, estimated interest and ending balance. The file is created in your browser; calculator amounts are not sent to our analytics.

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