How This Emergency Fund Calculator Works

Target fund = essential monthly expenses × months of cover. Essential expenses are the ones you cannot pause: rent or mortgage, food, utilities, transport, insurance, and minimum debt payments. Discretionary spending — eating out, streaming, holidays — is not essential and is not counted. Gap = target − savings you already have. Months to reach it = gap ÷ monthly saving, rounded up to a whole month.

Worked example: essential expenses $3,000 a month, 6 months of cover. Target fund = $3,000 × 6 = $18,000. With $5,000 already saved, the gap is $13,000, and saving $500 a month closes it in 26 months.

Practical tips

Start with $1,000, then build to 3 months.

A full 6-month fund feels impossible from zero. A $1,000 starter fund covers most small emergencies; then grow it month by month toward your target.

Keep it in a high-yield savings account.

It must be reachable within a day or two, so it does not belong in stocks. A high-yield savings account keeps it liquid and earns a little while it waits — see our CD Calculator for the trade-off with locking money away.

One income or variable income means more months.

The usual 3–6 month guidance assumes a stable dual income. Single earners, freelancers and the self-employed should aim for 9–12 months.

Refill it after you use it.

An emergency fund is meant to be spent in an emergency. Afterward, restart the monthly saving until the gap closes again.