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Emergency Fund Calculator
Essential bills times months of cover — your target, your gap, how far along you are, and the month it's done.
Cash only, zero interest assumed — emergency funds live in boring accounts on purpose. "Essential" means the bills that survive a job loss, not your full spending.
How it works
An emergency fund is measured in time, not dollars. The useful question isn't "is $5,000 enough?" — it's "how many months could I cover if the paycheck stopped?" This calculator takes your essential monthly bills — the ones that survive a job loss: rent, groceries, utilities, insurance, minimum debt payments — multiplies them by the months of cover you want, and holds the target up against what you've actually saved.
The defaults land in the red on purpose. $3,346 saved against $3,000 a month of essentials is 1.1 months of cover — exposed, and completely normal. Most funds start there, and a red chip on day one is not a grade; it's a starting line. The number worth watching is the one next to it: at $900 a month, the $18,000 target is fully funded by Dec 2027, and every dollar you add to the monthly number pulls that date closer.
Notice what the essentials number is not: your full spending. You might spend $4,338 in a normal month and still be able to run on $3,000 in a bad one — an emergency budget covers a smaller life, and using the smaller number keeps the target honest. Then slide the months of cover: three months is the classic floor, six is the common target, and the slider shows exactly what each extra month of safety costs.
The formula
target = essentials × months of cover gap = max(0, target − saved) funded = saved ÷ target cover = saved ÷ essentials ← months you could float today done by = ceil(gap ÷ monthly saving) ← months from now Example: $3,000 × 6 = $18,000 → gap $14,654 · 19% funded · Dec 2027
Honest assumptions
- Cash only, zero interest assumed — emergency funds live in boring, reachable accounts on purpose, and interest wouldn't move the done-by month much anyway.
- "Essential" means the bills that survive a job loss — rent, groceries, utilities, insurance, minimum payments — not your full spending.
- The done-by month assumes your monthly saving holds steady; dates count forward from July 2026.
- This page does arithmetic. It doesn't know your life — it's a starting point, not a plan, and not advice.
Questions people ask
How many months of expenses do I need?
Three months is the classic floor; six is the common target. The honest answer tracks how replaceable your income is: one income, freelance or commission pay, or a highly specialized job all argue for more months, while two stable paychecks can argue for fewer. Slide the months of cover and watch what each answer costs — that's the whole point of the slider.
Where should an emergency fund live?
Somewhere boring, liquid, and slightly out of sight: a savings account you can reach in a day or two but don't stare at every time you open your banking app. The job of this money is to exist when everything else goes wrong, not to perform. Anything with withdrawal penalties, market risk, or a lockup period is doing a different job.
Should I invest my emergency fund instead?
The tradeoff is plain: invested money grows on average, but emergencies don't wait for markets to recover — and the moments you need the fund tend to correlate with the moments markets are down, because layoffs cluster in downturns. Whether that risk is worth taking is your call to make with your own numbers; this calculator assumes cash because the fund's one job is certainty.
Should I build the fund or pay off debt first?
Both sides have real math. High-APR debt compounds against you faster than any savings account works for you, which argues for attacking the debt — but with zero cushion, the next surprise goes straight back onto the card, which argues for a small buffer first. Many people run it in two moves: a starter cushion, then the debt hard. Run your balance through the debt payoff calculator and compare the two timelines side by side.
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ClariFi makes tools, not advice. Nothing on this page is a recommendation to buy, sell, or sign anything.
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