Everyday
Emergency Fund calculator
How much you need for 3, 6, and 12 months of expenses.
Your inputs
$
$
$
Results
6-month target
$21,000
3-month minimum
$10,500
12-month aggressive
$42,000
You're at
24% of 6-mo goal
Time to hit 6-mo
40 months
Breakdown
Total: $73,500
Coverage by tier
0%25%50%75%100%
- 3 months$10,50014.3%
- 6 months$21,00028.6%
- 12 months$42,00057.1%
AI Insight
Personalized analysis from your numbers
Tap Generate for an AI-written breakdown of what your numbers mean, plus tailored next steps.
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About this calculator
What the Emergency Fund calculator does
Emergency Fund Calculator helps you how much you need for 3, 6, and 12 months of expenses. It runs entirely in your browser — your inputs are never sent to a server.
How to use it
- Enter your details: Monthly essential expenses, Current emergency fund, Monthly contribution.
- Results update instantly as you type — no submit button needed.
- Tap an info icon next to any field for guidance on what to enter.
- Use the Share button to save a permalink that restores your exact inputs.
- Tap Generate on the AI Insight card for a personalized written breakdown.
Tips & context
- Try a few scenarios — adjust one input at a time to see its impact.
- Save useful scenarios to your dashboard for later comparison.
- Pair this with other Everyday calculators for a fuller picture.
FAQ
Frequently asked
Is this calculator free?+
Yes — every CortexCalculator tool is free, requires no signup, and runs locally in your browser.
Is my data private?+
Absolutely. Inputs stay on your device. Only anonymous AI Insight requests (when you tap Generate) leave the page.
How accurate are the results?+
We use standard financial formulas and refresh tax rates annually. Treat outputs as planning estimates, not professional advice.