Emergency Fund Calculator Free Online
An emergency fund typically covers 3 to 6 months of essential expenses, rising toward 9 months with variable income, a single earner, dependents or unstable employment. At $3,000 of monthly essentials, 6 months is $18,000.
Monthly numbers
Housing, food, utilities, insurance, minimum debt.
Risk factors
Base 3 monthsRecommended fund
$11,200
4 months of essential expenses
Runway
1.4 of 4 months
Gap
$7,200
Time to target
1 yr 6 mo
By Apr 2028
Why 4 months
- Base for stable income3 mo
- Single income household+1 mo
Rule-based estimate, not personal financial advice.
Your runway plan
Essential expenses, target and recommended months.
- Essential expenses
- $2,800
- Recommended
- 4 months
- Target
- $11,200
- Runway today
- 1.4 months
Your numbers travel in the link only. They are not sent to our servers.
Key takeaways
What to know
- 01Base the fund on essential expenses only, not total spending.
- 02Each risk factor adds 1 to 2 months to a 3-month base, capped at 9 months.
- 03Runway in months = current savings / essential monthly expenses.
Formula
Target = Essential monthly expenses x (3 + risk months), capped at 9 months
Worked example
Essentials $2,500, single income (+1): target is 4 months = $10,000. With $3,000 saved the runway is 1.2 months, the gap is $7,000, and $500 per month closes it in 14 months.
FAQ
Common questions
How many months should an emergency fund cover?
Three months is a common floor for stable dual-income households. Variable income, dependents or unstable work push the target toward 6 to 9 months.
What counts as essential expenses?
Housing, utilities, groceries, insurance, transport to work, minimum debt payments and required childcare.
Where should an emergency fund be kept?
In an accessible, low-risk account such as a high-yield savings account, separate from daily spending.
Is this recommendation financial advice?
No. It is a rule-based estimate from the factors you select. Your situation may justify a different amount.
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