Emergency Fund Calculator: Your Target and the Months to Get There
Multiply your essential monthly costs by the months you want covered, then see how many months of deposits it takes to get there.
Your target is your essential monthly expenses times the months you want covered. In the example, $3,000 a month for 6 months is $18,000. Starting from $2,000 and adding $500 at the end of each month at 4% interest, you reach it after 31 deposits, about 2 years 7 months: $15,500 of deposits and $1,017.94 of interest.
This is an estimate built on the figures you enter, not financial advice. It assumes the same deposit every month and a fixed interest rate credited monthly; real account rates change, and taxes on interest are left out. Whether to hold more or less in cash is your call; a qualified financial professional can check it against your income and debts.
Rent or mortgage, food, utilities, insurance, minimum debt payments, transport.
Your target for 6 months
$18,000.00
$16,000.00 to go: about 2 years 7 months of saving (31 deposits).
- You deposit
- $15,500.00
- Interest earned
- $1,017.94
- Balance that month
- $18,517.94
| Cover | Target | Time to reach |
|---|---|---|
| 3 months | $9,000.00 | 1 year 2 months |
| 6 months | $18,000.00 | 2 years 7 months |
| 9 months | $27,000.00 | 3 years 10 months |
| 12 months | $36,000.00 | 5 years 1 month |
Interest is credited monthly and rounded to the cent; deposits land at the end of each month.
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About the Emergency Fund Calculator
An emergency fund is cash you can reach quickly when income stops or a large bill lands. The size that matters is the essential spending it has to carry, not your whole budget: housing, food, utilities, insurance, minimum debt payments and getting to work. Multiply that monthly figure by the number of months you want covered and you have a target. The second part is how long the saving takes. Starting from what you have set aside, the calculator adds your deposit at the end of every month, and credits interest monthly at the rate you enter, rounded to the cent, until the balance first reaches the target. It also lays out the target and the time for 3, 6, 9 and 12 months of cover, so you can see what each step up costs in months of saving. It assumes a steady deposit and a fixed rate; a missed month or a rate change moves the date.
Frequently asked questions
How many months of expenses should an emergency fund cover?+
There is no single right number, and this page does not pick one for you. The choice depends on how steady your income is, how many earners your household has, and how quickly you could cut costs. The ladder under the result shows the target and the saving time for 3, 6, 9 and 12 months side by side, so you can weigh a bigger cushion against a longer wait.
Which expenses count?+
Count what you would still have to pay if your income stopped next month: rent or mortgage, groceries, utilities, insurance premiums, minimum loan and card payments, and transport to work. Leave out spending you could pause, such as travel or new purchases. A tighter essentials figure gives a smaller target you can reach sooner.
How is the time to reach the goal worked out?+
Month by month. Each month the balance earns the yearly rate divided by 12, rounded to the cent, before that month's deposit is added, so a deposit earns nothing in the month you make it. The count stops at the first month the balance is at or above the target. With the defaults that is month 31: $15,500 of deposits plus $1,017.94 of interest on top of the $2,000 you started with.
Does the interest rate make much difference?+
Less than the deposit does. With the defaults, interest adds $1,017.94 on top of your $2,000 and $15,500 of deposits. At 0% the target takes 32 months, one more; a larger deposit moves the date far more. If the deposit is 0 and the rate is 0, the target is never reached, and the calculator says so.
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