Emergency Fund Calculator
Size your emergency fund based on essential expenses, job stability, and dependents. Get a 3-to-12-month target you can actually trust.
Last reviewed: · Reviewed by the Money Scale editorial team · How we source our data
Power mode. Every input exposed, every assumption sourced, charts and shareables.
$2,000
$3,500
$300
6 months
Quick targets
Tap a preset to snap your target instantly.
You're covered for
0.6 months
Target
$21,000
$19,000 to go. At $300/mo, you'll hit your target in 5.3 years.
🛟 0.6 mo covered
Current savings: $2,000 of $21,000
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The Emergency Fund Calculator sizes your safety net based on your actual essential expenses, job stability, and number of dependents — not a one-size rule. Then it tells you how many months until you hit the target at your current saving rate. The point isn't to scare you; it's to give you a concrete number to aim at and a date to hit it by.
Free, private, and no signup
Money Scale is built the opposite way from the big finance sites: the numbers you enter never leave your device, and there's nothing to sign up for.
- Your numbers stay privateEvery calculation runs in your browser. We never receive or store your salary, balances, or inputs.
- Always freeNo paywall, no upsell to a calculator that actually works.
- No login, no emailUse every tool instantly — we never gate results behind a signup.
- Sourced defaultsStarting rates and assumptions cite real data, not made-up numbers.
Keeping it free and unfunded by your data still costs us hosting and data fees every month. If a calculator here helped, you're welcome to buy us a coffee — completely optional, and nothing here is ever locked behind it.
How this calculator works
- Enter your essential monthly expenses (housing, food, utilities, insurance, minimum debt payments — NOT entertainment or eating out).
- Set how many months of expenses you want covered. 3 months is the conservative minimum; 6+ if you're a single earner, freelancer, or in a volatile industry.
- Enter what you've already saved and how much you're adding to it each month.
- Read the months-to-target number. If it's longer than you're comfortable with, the levers are: cut essential expenses (hard), increase contributions (medium), or accept a smaller target (fine — three months beats zero).
target = monthly_expenses × months_of_coverage | months_to_target = (target − current_savings) / monthly_contributionTwo simple ratios. The first sets your goal; the second projects when you'll hit it at your current saving pace. The whole point is to make the goal concrete and time-bound rather than abstract.
- monthly_expenses
- Essential outflows per month — housing, food, utilities, insurance, minimum debt
- months_of_coverage
- How long the fund should sustain you with zero income (3–12 typical)
- current_savings
- What you have today in your emergency fund (a HYSA, not invested)
- monthly_contribution
- What you add to the fund each month
Frequently asked questions
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