Emergency Fund Calculator
An emergency fund provides financial security when unexpected expenses or income loss occurs. Most UK advisers recommend saving 3-6 months of essential expenses.
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A common mistake is setting a target too low by calculating based on current income rather than essential outgoings. Your emergency fund should be instantly accessible – a savings account, not investments that could fall in value.
Calculating your personal emergency fund target helps you set a clear savings goal. Enter your essential monthly expenses below to see your recommended fund size.
Emergency Fund Calculator
Calculate how much you should save for financial emergencies
Rent/mortgage, bills, food, transport, insurance—not discretionary spending
Based on your situation, we recommend 4 months of cover
See how long it will take at your saving rate
Your Emergency Fund Target
6 months × £2,000/month
Your Progress
Amount needed to reach target
£12,000
Why This Target?
What this target really protects you against
Your suggested fund covers 3–6 months of essential outgoings — enough to handle a sudden job loss, illness, or a major home/car repair without reaching for a credit card or a high-cost loan. If you have dependants, an unstable income, or a long professional notice period, lean toward the 6-month end; if you're a dual-earning household with strong job security, 3 months is usually enough.
Keep this money in an easy-access savings account or cash ISA — never invested. The point is instant availability, not return. Once you hit the target, surplus savings should flow into higher-return homes (stocks & shares ISA, pension, or mortgage overpayments).
Why You Need an Emergency Fund
An emergency fund is money set aside for unexpected expenses or loss of income. It's your financial safety net—the difference between a stressful situation and a genuine crisis.
Common emergencies include job loss, illness, urgent home or car repairs, and unexpected bills. Without savings, these events often lead to debt, which can take years to recover from.
Why Emergency Funds Differ by Situation
The traditional "3-6 months' expenses" rule doesn't fit everyone. Your ideal emergency fund depends on several factors:
- Employment type: Self-employed and contractors face more income volatility than PAYE employees
- Job security: Volatile industries or short tenures increase risk
- Dependents: Supporting others increases the stakes of income loss
- Fixed costs: High mortgage payments mean less flexibility to cut spending
- Other savings: If you have investments, you may need less in cash
Self-employed workers should typically aim for 6-12 months of cover, as they don't have employer notice periods, redundancy pay, or consistent income.
UK-Specific Risks to Consider
Several UK-specific factors affect how much emergency savings you need:
- Benefits delays: Universal Credit takes at least 5 weeks from application to first payment, and often longer. During this time, you need savings to cover essentials.
- Notice periods: If you're made redundant, you'll typically get 1 week's notice per year worked (up to 12 weeks). This provides some buffer, but less than many assume.
- Statutory Sick Pay: SSP is just £123.25/week (2026/27) and only starts after 3 waiting days. It won't cover most households' essential costs.
- Mortgage protection: Some policies have waiting periods of 30-90 days before paying out. You need savings to bridge this gap.
Consider your specific circumstances when setting your target. If you're in a dual-income household with a stable second earner, you may need less. Single earners with dependents should err on the side of caution.
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