Credit cards are borrowing tools, not savings tools
A credit card is not a savings account and does not function like one. When you use a credit card, you are borrowing money from the card issuer, not depositing money you own. A savings account is a place where you store your own money and earn interest on it. A credit card is a line of credit you pay back, usually with interest charges if you carry a balance.
The confusion often comes from the word "account"—both have accounts, but they work in opposite directions. With a savings account, money flows in and grows. With a credit card, you borrow money that flows out, and you owe it back.
Key Takeaways
- Credit cards are borrowing products, not savings products, so they have no savings function or interest earnings on your balance.
- Some credit card issuers offer separate savings accounts as a different product, but these are not part of the credit card itself.
- Rewards and cash back on credit cards are not savings—they are rebates on spending, and you only receive them if you pay the full statement balance to avoid interest charges.
- If you carry a balance on a credit card, interest charges will exceed any rewards you earn, making it a net cost rather than a savings tool.
What credit card issuers actually offer alongside credit cards
Some banks that issue credit cards also offer savings accounts as a separate product. For example, Chase, Bank of America, and Citi all offer both credit cards and savings accounts, but these are two different things you would open separately. The savings account is not connected to your credit card account unless you link them for transfers.
If you have a credit card with a bank, you can open a savings account with that same bank, but the savings account earns interest on your deposits while the credit card charges interest on your borrowed balance. They do not merge into one product.
How rewards and cash back differ from savings
Credit card rewards and cash back can feel like savings because you get money back, but they are not the same thing. Rewards are a rebate on what you spend. If you spend $1,000 and earn 1% cash back, you receive $10. That $10 is a discount on your purchase, not money you saved by not spending.
Rewards only benefit you if you pay off your full statement balance each month. If you carry a balance and pay interest, the interest charge will almost always be larger than the rewards you earn. For example, if you earn $10 in cash back but pay $25 in monthly interest, you are losing money overall. The credit card company is counting on this—rewards are designed to encourage spending, not to help you save.
Why credit cards are not a substitute for savings accounts
A savings account is where you store money you do not plan to spend right away. It earns interest, which means the bank pays you a small percentage on your balance. That interest is information programs, and it grows over time. A savings account also protects your money—it is insured by the FDIC up to $250,000, so if the bank fails, your money is protected.
A credit card does the opposite. You borrow money, and you pay interest on it. There is no protection or growth. If you use a credit card as a savings tool by carrying a balance, you are paying the bank instead of the bank paying you.
When banks offer both credit cards and savings accounts
Large banks often offer both products because they serve different purposes. You might use a credit card for everyday purchases to earn rewards, and a savings account to set aside money for emergencies or future goals. These are two separate accounts with two separate purposes.
If you are looking for a bank that offers both, most major banks do. You would open them as two separate accounts, link them if you want to transfer money between them, and manage them independently. Your credit card balance does not affect your savings account balance, and vice versa.
How to use credit cards and savings accounts together
The right way to use both is to keep them separate. Use your credit card for purchases you can pay off in full each month, so you earn rewards without paying interest. Use your savings account to store the money you need to pay off that credit card bill, plus money for emergencies and goals.
This way, you earn rewards on spending without going into debt, and you earn interest on the money you set aside. You are using each tool for what it is designed to do. If you use a credit card to borrow money you cannot pay back, you will pay interest that erases any rewards you earn.
Frequently Asked Questions
Can I earn interest on my credit card balance?
No. Credit cards charge interest on balances you owe; they do not pay interest. If you carry a balance, you pay the bank. If you want to earn interest, you need a savings account, money market account, or certificate of deposit (CD).
Do credit card rewards count as savings?
Rewards are a rebate on spending, not savings. You only come out ahead if you pay off your full balance each month. If you carry a balance and pay interest, the interest will exceed the rewards, making it a net loss.
What if my bank offers both a credit card and a savings account?
You open them as two separate accounts. The savings account earns interest on your deposits. The credit card is a line of credit you borrow from and pay back. They do not merge into one product, but you can link them to transfer money between them.
Is it better to keep my savings in a credit card or a savings account?
Always use a savings account for money you want to keep. Savings accounts earn interest, are FDIC-insured, and do not charge you fees for holding money. Credit cards charge interest if you carry a balance, so they cost you money rather than grow it.