Banks pay you interest on money you keep in savings accounts, but almost never on checking accounts

When you deposit money in a savings account, the bank uses that money to lend to other customers. In return, the bank pays you interest — a percentage of your balance, calculated and added to your account on a schedule the bank sets. A checking account is designed for spending, not saving, so banks typically pay zero interest on checking balances.

The amount you earn depends on three things: how much money you have in the account, what interest rate the bank offers, and how often the bank calculates and adds the interest (usually daily or monthly). A $1,000 balance at 4% annual interest will earn roughly $40 per year if interest compounds monthly, but the exact amount varies by bank and by how the bank does the math.

Interest rates change constantly and differ widely between banks. An online bank might offer 4% to 5% on savings, while a traditional bank branch might offer 0.01% on the same type of account. The difference is real money — on $10,000, that gap means $400 to $500 per year instead of $1.

Key Takeaways

  • Savings accounts earn interest; checking accounts almost never do, because checking is meant for spending money regularly.
  • Interest rates vary from nearly 0% at some banks to 4% or higher at others, so comparing banks before opening an account matters.
  • The interest you earn depends on your balance, the rate, and how often the bank compounds interest — usually daily or monthly.
  • Online banks typically pay higher interest rates than branch banks because they have lower operating costs.
  • Interest is taxable income, and the bank will send you a tax form (1099-INT) if you earn $10 or more in a year.

How interest rates are set and why they change

Banks set their own interest rates, but they follow the federal funds rate — a benchmark rate set by the Federal Reserve, the central banking system of the United States. When the Federal Reserve raises its rate, banks usually raise the rates they offer on savings accounts. When the Federal Reserve lowers its rate, banks typically lower savings rates too.

The Federal Reserve changes its rate several times a year based on economic conditions. You might see savings rates jump from 0.5% to 4% over a few months if the Fed is raising rates, or drop from 4% to 1% if the Fed is cutting. Banks do not have to match the Fed's moves exactly or when ready — some move faster than others, and some move slower.

Competition between banks also affects rates. When many banks offer high rates, other banks raise theirs to attract customers. When rates are low across the industry, individual banks have less reason to compete on interest.

Different account types and what they typically pay

A regular savings account is the most common type. Interest rates vary widely, but as of now they range from 0.01% to 5% depending on the bank. You can withdraw money anytime without penalty, though the bank may limit how many withdrawals you make per month.

A money market account is a hybrid between checking and savings. It usually pays higher interest than a regular savings account — sometimes 4% to 5% — but may require a larger opening balance (often $2,500 or more) and may limit your withdrawals. Some money market accounts come with a debit card or checkbook, so you can spend directly from the account.

A certificate of deposit (CD) is an account where you agree to leave your money untouched for a set period — three months, one year, five years, or longer. In exchange, the bank pays a higher interest rate, sometimes 5% or higher. If you withdraw the money before the term ends, you pay a penalty that eats into your earnings.

A high-yield savings account is straightforward a savings account at a bank that pays a higher-than-average rate. The term does not mean anything official — it is just marketing language. Online banks and some credit unions use it to describe accounts paying 4% to 5%, while traditional banks might use it for accounts paying 0.5%.

How the bank calculates and pays your interest

Banks calculate interest using a formula based on your balance, the annual interest rate, and the number of days in the period. Most banks compound interest daily, meaning they calculate how much you have earned each day and add it to your balance, so the next day's calculation includes yesterday's interest. This compounds your earnings — you earn interest on your interest.

The bank then credits (deposits) the total interest into your account on a schedule. Some banks do this monthly, some quarterly, and some annually. If your bank compounds daily but credits monthly, you earn interest every day but only see it added to your balance once a month.

You can see how much interest you have earned by logging into your account online or calling the bank. Most banks also send a statement each month showing deposits, withdrawals, and interest earned. At the end of the year, if you earned $10 or more in interest across all your accounts at that bank, the bank sends you a 1099-INT form for your tax return.

Why online banks usually pay more than branch banks

Online banks have lower costs than banks with physical branches. They do not pay rent on buildings, do not employ tellers, and do not maintain ATM networks. Because their expenses are lower, they can afford to pay higher interest rates and still make a profit.

A branch bank might pay 0.01% on savings because it is spending money on staff, buildings, and ATMs. An online bank might pay 4.5% on the same type of account because it has none of those costs. The trade-off is that you cannot walk into a branch to deposit cash or speak to someone in person — you do everything online or by mail.

Some customers prefer the convenience and personal service of a branch bank enough to accept lower interest. Others prioritize the higher earnings and do not mind banking online. Neither choice is wrong — it depends on what matters to you.

What to compare when shopping for the best rate

Start by listing the banks you are considering and writing down their current interest rates for the account type you want. Rates change frequently, so check the bank's website directly rather than relying on old information. Look at the rate for the specific account you plan to open — a bank might offer 4.5% on one savings product and 0.5% on another.

Check whether the bank has any requirements to earn the advertised rate. Some banks pay the full rate only if you maintain a minimum balance (like $10,000) or set up direct deposit. If you cannot meet the requirement, you might earn a much lower rate.

Consider whether you want online-only banking or prefer a branch. If you need to deposit cash regularly, an online bank might be inconvenient — you would have to mail checks or find a partner ATM. If you rarely use a branch, the higher rates at online banks might be worth it.

Look at the bank's reputation for customer service and whether it is insured by the FDIC (Federal Deposit Insurance Corporation). FDIC insurance protects your money if the bank fails — up to $250,000 per account type at each bank. Nearly all banks are FDIC-insured, but it is worth confirming.

How interest affects your taxes

Interest you earn on a savings account is taxable income. You must report it on your federal tax return, and depending on your state, you may owe state income tax on it too. If you earned $10 or more in interest at a bank during the year, the bank sends you a 1099-INT form by January 31 of the following year.

You report the interest on your tax return even if the bank does not send a 1099-INT — for example, if you earned $8 in interest, you still owe tax on it. The amount of tax you owe depends on your overall income and your tax bracket. If you are in the 22% tax bracket, $100 in interest costs you about $22 in federal tax.

Interest earned in a retirement account like an IRA or 401(k) is not taxed until you withdraw the money, so those accounts are a good place to keep savings if you are saving for retirement.

Frequently Asked Questions

Can I earn interest on a checking account?

Most checking accounts pay zero interest because they are designed for frequent spending, not saving. A few banks offer checking accounts with interest, but the rates are typically very low — under 0.5% — and require you to meet conditions like maintaining a high balance or setting up direct deposit. A savings account will almost always earn more.

What happens to my interest if I withdraw money before the month ends?

With a regular savings account, you still earn interest on the money you had in the account, calculated daily. If you had $5,000 for 20 days and then withdrew it, you earn interest only on those 20 days. With a CD, withdrawing early triggers a penalty that reduces or eliminates your earnings.

Is the interest rate may provide to stay the same?

No. Banks can change interest rates anytime, and they usually do when the Federal Reserve changes its rate. Your rate might be 4.5% one month and 3.8% the next. Some banks lower rates faster than others, so if rates are falling, you might want to lock in a rate with a CD.

How do I know if a bank is safe and my money is protected?

Check whether the bank is FDIC-insured by visiting the FDIC's website or asking the bank directly. FDIC insurance protects up to $250,000 per account type at each bank if the bank fails. Nearly all banks are FDIC-insured, but credit unions use NCUA insurance instead, which works the same way.

Should I move my money to a bank with a higher interest rate?

If you have a large balance and your current bank pays very low interest, switching to a higher-rate bank could earn you hundreds of dollars per year. The switch is usually free and takes a few days. However, if you have a small balance or use your bank's branch services regularly, the difference might not be worth the hassle of switching.