Emergency Fund Calculator

Total your essential monthly expenses, pick a coverage level, and see your target, your gap, and the months to close it.

Emergency fund target$0
Essential expenses per month
Gap to close
Time to fully fund at your pace
Coverage you have today

How the target is built

Target = essential monthly expenses × months of coverage (3–6 months is the standard range; see below for choosing)

Count only what keeps life running in a job loss: housing, utilities, food at home, insurance, transportation, minimum debt payments, childcare, essential medications. Streaming, restaurants and travel don’t belong — in an emergency they’re the first things paused, and inflating the target only makes it discouraging.

Worked example

Essentials total $3,400/month. A 6-month cushion = $20,400. With $1,500 saved and $400/month going in, the remaining $18,900 takes about 48 months — long, which is exactly why most people fund a starter tier first (below) and raise the pace with windfalls.

3 months or 6? A quick rubric

SituationSuggested coverage
Two stable incomes, low fixed costs, employable skills3 months
Single income household6 months
Variable income (commission, gig, seasonal)6–9 months
Self-employed, specialized field with slow job searches9–12 months
Homeowner with older house/car (add repair buffer)+1 month equivalent

Build it in tiers — not all at once

  • Tier 1: $1,000–$2,000 starter fund, fast. This kills the most common disaster — a surprise bill becoming credit-card debt at 25%.
  • Tier 2: one month of essentials. Breathing room for timing gaps and mid-size repairs.
  • Tier 3: the full 3–6+ months. Built steadily alongside (not instead of) getting your employer 401(k) match; aggressive extra debt payoff can resume once Tier 2 exists.
  • Keep it in a high-yield savings account — separate from checking, reachable in a day, earning ~4% recently. Not stocks (crashes correlate with layoffs), not CDs with penalties, not cash under the mattress losing to inflation.

What counts as an emergency

Job loss, medical bills, urgent car or home repairs, emergency travel. Not Christmas, not a sale, not annual insurance premiums — those are predictable and belong in sinking funds (see the savings goal calculator). The cleanest rule: unexpected, necessary, urgent — all three or it doesn’t touch the fund.

Frequently asked questions

How much emergency fund does the average person need?

Most households land between $10,000 and $30,000 for a 3–6 month fund, because essential expenses typically run $3,000–$5,000/month. Your number comes from your essentials — which is why this calculator itemizes them instead of using a salary multiple.

Should I pause investing to build my emergency fund?

Common guidance: always capture the employer 401(k) match (it’s a 50–100% instant return), build the starter fund, then balance further investing against reaching Tier 2–3. Skipping the match to speed the fund costs more than it protects.

Emergency fund or credit card debt first?

Starter fund first ($1,000–$2,000), then attack the cards hard, then finish the full fund. A big cash cushion earning 4% while cards charge 25% costs you 21% a year on the overlap — but zero cushion guarantees new card debt at the first surprise.

Where should I keep it — is a HYSA safe?

Yes: FDIC/NCUA insurance covers $250,000 per depositor per bank. An online high-yield savings account gives insurance, next-day access and a real interest rate — the right combination for money whose job is existing when things go wrong.

Last reviewed: 2026-08-20 · Report an issue