Emergency Fund Builder
Example: Monthly essential expenses: 3500 $ · Months of coverage to target: 6 mo · Current emergency fund balance: 5000 $ · Monthly amount you can add: 400 $
| Target emergency fund | $21,000 |
| Remaining gap | $16,000 |
| Months to fully funded | 40 |
| Percent funded today | 23.81% |
Worked example
With $3,500 in monthly expenses and a six-month target, the goal is $21,000. Starting from $5,000 leaves a $16,000 gap. Adding $400 a month closes that gap in 40 months — about three and a half years. Depositing into a 5% HYSA shaves roughly two months off that timeline through interest.
Frequently asked questions
How many months of expenses should my emergency fund cover?
CFPB guidance suggests three to six months for most households. Choose three months if you have a stable dual income and low fixed costs; six or more if you are self-employed, have dependents, or work in a cyclical industry. This tool lets you set any target so the number fits your actual risk profile.
Should my emergency fund be in a regular savings account or a HYSA?
A high-yield savings account (HYSA) earns meaningfully more — often 10 to 20 times the national average checking rate per FDIC data — while keeping money FDIC-insured and accessible within one to three business days. Park your emergency fund in a HYSA unless you need same-day access daily.
Does the emergency fund target change if I pay off debt?
Yes — monthly expenses drop when debt payments disappear, lowering the target. Recalculate after every major payoff. If you free up $300 a month in minimum payments, your six-month target falls by $1,800 and your monthly contribution can increase at the same time.
What counts as a monthly essential expense for this calculator?
Include rent or mortgage, utilities, groceries, minimum debt payments, insurance premiums, and transportation. Exclude discretionary spending like dining out and subscriptions — those can be cut in a true emergency. Using lean essentials gives a tighter, more achievable target.