Emergency Funds – Why have it and where to Invest It

By REPAKA PAVAN ADITYA

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Updated on: Nov 27th, 2025

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4 min read

An emergency fund is money kept aside for sudden expenses. It helps you stay stress-free during emergencies like job loss or medical needs. Knowing why you need it and where to keep it makes your finances safer.

Key Highlights

  • An emergency fund should ideally cover 3 to 6 months of your essential living costs 
  • If you have an unstable income, the emergency fund should cover 6 to12 months.
  • Build the fund slowly yet consistently, and start with whatever amount you can and adjust yearly.
  • Keep the fund in safe, liquid options like savings accounts, sweep-in FDs, or liquid/overnight funds.

What is an Emergency Fund?

An emergency fund is simply money you keep aside for life’s unexpected moments, for things you can’t plan ahead but need to deal with right away. It could be a sudden medical bill, a job loss, a major car repair, or any urgent expense that come up out of nowhere. This isn’t money for shopping, holidays, or investments. It’s your “rainy day” cushion.

Having an emergency fund means you don’t have to swipe a high-interest credit card, borrow from friends, or break your long-term investments just to get through a tough month. It gives you the freedom to handle crises calmly instead of falling into financial stress.

Most people aim to keep 3 to 6 months of essential expenses set aside. That’s usually enough to stay secure and steady if something goes wrong, without derailing your entire financial life.

Why Do You Need an Emergency Fund?

An emergency fund is essential because it protects your finances when unexpected expenses or income disruptions occur. Situations like medical bills, job loss, urgent repairs, or family emergencies can quickly strain your budget. Without a financial buffer, you may end up relying on high-interest credit cards, personal loans, or withdrawing from your long-term investments at the wrong time.

A well-built emergency fund ensures you can manage such events without derailing your financial goals. It keeps you from breaking fixed deposits, stopping SIPs, or liquidating mutual funds prematurely. In short, it prevents actions that can impact your long-term wealth creation. It also prevents unnecessary debt, maintains your monthly cash flow, and provides a stable financial foundation even when circumstances change suddenly.

How much should your Emergency Fund have?

No single number works for everyone, but there’s a simple way to estimate the right emergency fund for you. Most financial experts recommend saving 3 to 6 months of essential living expenses, the basic costs you must cover even if your income stops. If you’re self-employed, have an unstable income, or support dependents, increasing this to 6 to 12 months offers stronger protection.

If the final amount feels large, don’t worry. An emergency fund is built gradually, not overnight. Start with whatever you can and add to it consistently. Small, regular contributions can grow into a solid financial buffer over time.

Calculate your monthly essentials

List all your non-negotiable expenses things you must pay for each month. This usually includes rent or home loan EMI, groceries, electricity and water bills, internet, school fees, insurance premiums, loan repayments, and basic transportation. Avoid adding discretionary spends like dining out or shopping here.

Multiply it by 3 to 6 months

Once you’ve calculated your essential monthly expenses, multiply them by the months of backup you’d like to build.

  • If you have a stable job with benefits,  3-6 months is a solid goal.
  • If you’re a freelancer, run a business, or have medical conditions or dependents, then  6–12 months is safer.

Figure out your goal amount

Once you figure out your monthly expenses, multiply that by how many months you’d want to stay afloat if something went wrong. For example, if you usually spend ₹25,000 a month, having around ₹1.5 lakhs as a backup for six months is a good target. Don’t stress if that feels too much; it’s not something you build overnight. Just think of it as a number you’re moving toward, bit by bit, whenever possible.

Begin with what’s realistic

Don’t wait until you have a significant lump sum. Start with what you can afford today even if it’s just ₹500 or ₹1,000 a month. The key is to make it a habit. You’re not racing anyone here. It’s your safety net, so go at your own pace. Over time, those small contributions will quietly build into something solid.

Keep checking in once a year

Your life changes, and so should your emergency fund. Your rent increased, you have a new EMI, or you started supporting a family member. Take a few minutes each year to recalculate how much you’d need if something went wrong tomorrow. If your expenses have grown, tweak your fund target accordingly.

Example:

If your basic monthly expenses are ₹30,000, then for a 6-month emergency fund, you’d need around ₹1.8 lakhs. Now, if you save ₹10,000 a month (just one-third of your expenses), you’ll reach that goal in 18 months. If you bump it up to ₹15,000 a month, you can get there in just a year. Plus, any bonuses or side income can bring you closer even faster. The idea isn’t to rush, but to stay consistent and make it manageable.

Where to Invest Your Emergency Fund?

The best place to keep your emergency fund is not where you make the highest returns but where you can access the money quickly, safely, and without loss. This fund is your financial shock absorber, so it should be parked in instruments that are liquid, low-risk, and reliable, even if that means slightly lower returns.

Split it into two parts

  • Immediate Access (30-40%)
    Keep this portion in a savings account or sweep-in FD for emergencies that need instant cash (like hospital bills or travel tickets).
  • Short-Term Buffer (60-70%)
    Park the remaining in low-risk debt options like liquid or overnight mutual funds for better returns without sacrificing safety.

Investment Option

Access Time

Risk Level

Returns (Approx.)

Best Use Case

Savings Account

Instant

None

2.5%-4%

For immediate liquidity (1–2 months’ expenses)

Sweep-in FD

Within 1 day

Very Low

5%-6.5%

Slightly better returns than savings

Liquid Mutual Funds

T+1 (next day)

Low

4%-7%

For the bulk of the emergency fund

Overnight Funds

T+1

Near Zero

3%-5%

For ultra-conservative investors

Auto-Sweep Account

Instant (partial)

Very Low

4%-6%

For salaried individuals who want automation

Final Word

An emergency fund isn’t about expecting the worst; it’s about being ready for it. Life will always be unpredictable, but your response doesn’t have to be. Setting aside a small portion of your income regularly gives you the freedom to handle crises without stress, debt, or panic. It’s not just a financial habit, it’s an act of self-care. So start today, start small, but just start. Your future self will be glad you did.

Frequently Asked Questions

Which investment is best for your emergency fund and why?

Low-risk, highly liquid options like liquid mutual funds or high-interest savings accounts are best, as they offer quick access without risking your money.

Where should I keep my emergency fund?

Ideally, in a separate savings account or liquid fund away from daily spending to ensure it’s always available when needed

What is the 3-6-9 rule in finance?

It’s a guideline suggesting you should save 3 months of expenses if you're single, 6 months if you have dependents, and 9 months if your income is irregular.

Why is it important to have emergency funds?

An emergency fund acts as a financial cushion during job loss, medical emergencies, or unexpected bills so you don’t dip into long-term investments or take on debt.

How much should I save for an emergency fund?

You should aim to save at least 3 to 6 months’ worth of essential living expenses based on your lifestyle and financial responsibilities.

About the Author
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REPAKA PAVAN ADITYA

Stocks and Mutual Funds Research Analyst
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I manifest my zeal in financial quantitative & quantitative research and have been instrumental in creating a robust process for the evaluation and monitoring of mutual funds. I’m responsible for Equity and Mutual Funds Research while creating instrumental mathematical models for portfolio construction after evaluating funds, and I play an integral role in analyzing changes in mutual funds, micro, and macro-economic indicators, and equity market events and trends. My views on asset classes which are integral in creating an investment strategy for any profile. Read more

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