Cash back means the credit card company gives you a percentage of what you spend back to you as money

When you use a cash back credit card, the card issuer returns a small portion of every purchase you make. If you spend $100 and your card offers 1% cash back, you get $1 back. That money appears as a credit on your account, reducing what you owe, or you can request it as an actual payment to your bank account.

The card company pays this money because they make their own money from the merchants — the stores and websites where you shop. When you swipe or tap your card, the merchant pays the card issuer a fee (usually 2% to 3% of the sale). The card issuer shares a small piece of that with you as cash back. It is their way of rewarding you for using their card instead of a competitor's.

Cash back is different from other rewards because it has no restrictions. You do not have to book travel through a specific portal, redeem points for merchandise, or watch an expiration date. The money is yours to use however you want.

Key Takeaways

  • Cash back is a percentage of your spending that the card issuer returns to you, ranging from 0.5% to 5% depending on the card and the type of purchase.
  • The money can be applied as a credit to your bill, deposited into your bank account, or sometimes kept in a rewards account until you decide what to do with it.
  • Different cards offer different rates for different categories — groceries, gas, restaurants, or general purchases — so your actual cash back varies by where you shop.
  • You only earn cash back on purchases you actually make; you do not earn it on fees, interest charges, or balance transfers.
  • Cash back is taxable income in the eyes of the IRS, though most people do not receive a tax form unless the amount exceeds a certain threshold.

How cash back appears on your account

When you make a purchase, the cash back does not show up immediately. The card issuer waits until the transaction settles — usually one to three business days later — and then adds the cash back to your account. You will see it listed as a credit or reward in your online account or on your statement.

Most cards let you choose what to do with the cash back once it reaches a minimum amount, often $25 or $50. You can have it applied directly to your balance, which reduces what you owe. You can request a check mailed to you. You can ask for it to be deposited into a linked bank account. Some cards let you keep it in a rewards account and spend it later, like a stored balance.

A few cards deposit cash back automatically once you hit the minimum, while others require you to request it. Check your card's terms or log into your account to see which applies to yours.

Different cards offer different cash back rates

Not all cash back is the same percentage. A basic card might offer 1% on all purchases. A more generous card might offer 1% on everything, but 3% on groceries and 2% on gas. Some cards have rotating categories that change each quarter — one month 5% on restaurants, the next month 5% on online shopping.

The card issuer decides these rates and can change them. They are not negotiable. When you apply for a card, the terms sheet will show you exactly what rate applies to which category. Read it carefully, because the card that sounds best in an advertisement might not be the best for how you actually spend money.

A card that offers 5% cash back on groceries is only valuable if you buy groceries. If you rarely shop at grocery stores, a flat 2% card on all purchases might earn you more money overall.

What purchases earn cash back and what do not

Cash back applies to regular purchases you make with the card — groceries, gas, restaurants, online shopping, utilities, and so on. But it does not apply to everything. Balance transfers (moving a balance from one card to another) do not earn cash back. Neither do fees like annual fees, late fees, or foreign transaction fees. Interest charges do not earn cash back either.

Some cards exclude certain merchants entirely. For example, a card might not offer cash back at casinos, on lottery tickets, or at certain financial institutions. These exclusions are listed in the card's terms.

If you are unsure whether a specific type of purchase earns cash back, check your card's website or call the customer service number on the back of your card. They can tell you whether a particular merchant or transaction type qualifies.

How cash back affects your credit and your finances

Earning cash back does not hurt your credit score. It is a reward, not a loan or a line of credit. Your score is based on how you pay your bills, how much of your available credit you use, and your payment history — not on how much cash back you accumulate.

However, the way you use a cash back card can affect your finances. If you spend more money just to earn cash back, you lose money overall. Spending an extra $100 to earn $1 in cash back is a bad trade. The card is only valuable if you are spending money you would spend anyway.

Similarly, if you carry a balance and pay interest on it, the interest charges will almost always exceed the cash back you earn. A 1% cash back reward disappears quickly if you are paying 18% interest on an unpaid balance. Cash back cards work best when you pay off your full balance every month.

Cash back versus other types of rewards

Credit cards offer three main types of rewards: cash back, points, and miles. Cash back is the simplest because it is actual money with no strings attached. Points and miles require you to redeem them for specific things — flights, hotel stays, merchandise — and their value depends on what you choose to redeem them for.

A points card might say you earn 2 points per dollar spent, but those points might be worth only 0.5 cents each when you redeem them for a gift card, or they might be worth 2 cents each if you use them for travel. The math is harder to track. Cash back is straightforward: 1% cash back means you get 1% of your spending, period.

Some people prefer points or miles because they can accumulate them toward a big goal like a free flight. Others prefer cash back because they want the flexibility to use the money however they choose. Neither is objectively better — it depends on what matters to you.

Tax implications of cash back rewards

The IRS considers cash back a form of rebate on your purchase, not taxable income. You do not owe taxes on it. However, if your cash back exceeds $600 in a calendar year from a single card issuer, the issuer may send you a Form 1099-INT or similar document. You would report this on your tax return, though the amount is usually not taxable because it is treated as a purchase discount.

The rules around this are complex and vary by situation. If you receive a tax form related to cash back, it is worth asking a tax professional whether you need to report it. In most cases, you do not, but having documentation is helpful.

Frequently Asked Questions

Can I earn cash back on every purchase I make?

Most purchases earn cash back, but not all. Balance transfers, fees, and interest charges do not. Some cards also exclude certain merchant categories. Check your card's terms to see which categories earn cash back and at what rate.

What is the highest cash back rate I can get?

Cash back rates vary widely by card and category. Some cards offer up to 5% on specific categories like groceries or gas, but usually only for the first $1,500 spent per quarter. General cash back on all purchases typically ranges from 1% to 2%.

Do I have to use my cash back right away?

No. Most cards let you leave cash back in your account until you decide what to do with it. Some have a minimum amount you must reach before you can redeem it, often $25 or $50. Check your card's rules to see if there is an expiration date on unused cash back.

What happens to my cash back if I close the card?

You can usually redeem any cash back you have accumulated before you close the card. Once the card is closed, you generally cannot earn more cash back, but any balance you had should still be available. Contact your card issuer to confirm their specific policy.

Does cash back count as income for government benefits?

Cash back is typically not counted as income for means-tested benefits like food assistance or housing support, because it is considered a purchase rebate rather than earned income. However, rules vary by program. If you receive benefits and are unsure, contact the program administrator.