Also known as: rainy day fund, safety net, contingency fund
An emergency fund is the foundation of personal finance. Without one, the first unexpected expense — a medical bill, a job loss, a major repair — forces you to either liquidate investments at the worst possible time or pile on high-interest debt.
The standard guideline is 3 to 6 months of essential monthly expenses. Lean towards 3 months if you have very stable salaried income, dual incomes in your household, and no dependents. Lean towards 6–12 months if you're self-employed, the sole earner, or in a volatile industry.
Calculate only essential expenses, not your full monthly spend. Include rent or EMI, utilities, groceries, insurance, dependent care, loan EMIs, and basic transport. Exclude discretionary spending — that's the first thing you'd cut in an emergency.
Park the fund where it's liquid and safe, not in equities. A combination of a high-interest savings account, a sweep-in fixed deposit, and a liquid mutual fund works well. The goal is same-day access without losing principal — earning a few percent interest is a bonus, not the point.