Emergency fund: how much you need

What is an emergency fund?

An emergency fund is money kept aside only for trouble. It is not for Eid shopping, a new phone or a holiday. It has one job: if your income suddenly stops or a big cost lands, you should not have to borrow, break a savings certificate early or sell shares at a loss.

The usual rule of thumb is to keep at least 3 to 6 months of essential costs. It is not a law, just a starting yardstick. For some people 3 months is enough; others may need more than 6.

Why it matters to an investor

• To give your investments time: if you must sell shares or fund units while prices are down, the loss becomes real. An emergency fund removes that pressure.
• To avoid breaking term savings: cashing an FDR or savings certificate early cuts the profit sharply.
• To avoid expensive debt: without cash to hand, people borrow on a credit card or from informal lenders at high rates, and that debt becomes a heavy burden later.
• To decide with a clear head: with a safety net behind you, you are less likely to panic when markets fall.

Which costs to count

The sum is based on your essential costs, not your total spending. That means the costs you cannot stop even if your income stops: rent, groceries, electricity, gas and water bills, transport, medicine, your children’s school fees and any loan instalments (EMIs). Eating out, shopping and holidays can be cut in a crisis, so leave them out.

Writing down your spending for two or three months is the most useful way to get this number. When people guess, they usually underestimate their essential costs.

Who needs more, who needs less

• May need more: people with irregular income (business owners, freelancers, commission-based work), the only earner in a family, those supporting parents or children, and households with ongoing medical costs.
• May manage with less: people with relatively secure jobs, households with more than one earner, or those with no dependants.
• An extra reason in Bangladesh: there is no general unemployment insurance here; if you lose your job, there is no regular state support beyond the compensation set by labour law. BBS and ILO data show more than 80% of workers are in the informal sector, where even that compensation is often not available.

Step by step, not all at once

Few people can save six months of costs in one go, and they do not need to. You can start with a small target, such as one month of costs, then three months, then six. Setting a fixed amount aside on the day your salary arrives lets the fund grow on its own.

Once you use the fund, refilling it is the next job. And when your income, family or costs change, the target needs recalculating too; marriage, a child or moving home all count.

Worked example

Common mistakes

• Picking a number by guesswork instead of counting essential costs, so the fund ends up too small.
• Treating the emergency fund as shopping or holiday money, and then never refilling it.
• Not starting at all because “I can’t save six months”. Even one month of costs is far better than nothing.
• Keeping the same target for years even after income or family responsibilities have grown.

Read alongside