The right emergency fund size depends on how stable your income is, not on a single magic number. Here's the framework most planners use — and how to compute yours in seconds.
| Situation | Months of essentials |
|---|---|
| Stable job, dual income, low expenses | 3 months |
| Single income or freelance/commission | 6 months |
| Highly variable income, sole breadwinner | 12 months |
Count essential expenses: housing, food, transport, utilities, insurance, minimum debt payments. Not your full lifestyle — the fund covers survival, not your usual fun spending.
Too small: one broken car or medical bill becomes new high-rate debt. Too large: money that could be earning (or paying off debt) sits idle in cash. 3-6 months is the sweet spot for most people; 12 only when income genuinely swings.
Enter your monthly essentials — get your 3/6/12-month targets and a savings plan, free.
Open the Emergency Fund CalculatorGet the Excel Budget Planner ($9.99)Use your actual essential spending, not gross income — what you need to keep the lights on.
Every month of runway you already have is runway you don't need to build. The calculator shows your remaining gap.
This page provides general financial education. It is not financial advice. Consult a qualified professional for personalized guidance.