Best 0% APR Credit Cards: No-Interest Financing for Up to 21 Months

If you're financing a $5,000 purchase on a regular credit card at 21% APR, you'll pay roughly $1,050 in interest over 12 months carrying a partial balance. The right 0% APR card gets you up to 21 months of no-interest financing — but which card you pick depends on whether you're financing a new purchase or moving existing debt. Here's the breakdown.

By Credit Card Reviews Editorial — Reviewed by Ryan Calloway

Purchase 0% APR vs balance transfer 0% APR: not the same thing

Before picking a card, you need to know what problem you're solving. The two most common 0% APR use cases work differently:

• Financing a new purchase: You're about to spend money — a home appliance, medical bill, car repair, furniture — and you want to pay it off over time without interest. You need a card with a long 0% intro APR on purchases.
• Moving existing credit card debt: You already have a balance on a high-APR card and want to stop the interest clock. You need a card with a long 0% intro APR on balance transfers — and you need to factor in the balance transfer fee.

Some cards offer the same 0% period for both. Others give you a longer window for balance transfers than for purchases. Read the terms carefully — the intro period lengths are not always identical.

The cost math: 0% card vs regular card on a $5,000 purchase

The Federal Reserve's May 2026 data puts the average credit card APR at 21.00% across all accounts. Here's what carrying a $5,000 balance looks like under different scenarios, assuming minimum payments only:

• Regular card at 21% APR, paying $250/month: Over 24 months, you pay approximately $1,080 in interest before the balance is cleared.
• 0% APR card for 21 months, paying $250/month: You pay zero interest during the intro period. After 21 months, you've paid down $5,250 — if you planned right, the balance is gone before the regular APR kicks in.
• The catch: When the 0% period ends, the remaining balance converts to the regular variable APR — which on these cards ranges from 14.99% to 29.49% depending on creditworthiness. If you haven't paid off the balance by then, the interest clock starts on whatever remains.

The interest savings on a $5,000 balance with a 21-month 0% period vs a 21% APR card: approximately $1,000–$1,300 depending on your payoff pace. That's real money.

Source: Federal Reserve G.19 Consumer Credit release, May 7, 2026, for the 21.00% average APR figure.

The top 0% APR cards, compared

Wells Fargo Reflect® Card — Best overall for longest combined window

• Annual fee: $0
• 0% intro APR on purchases: 21 months from account opening
• 0% intro APR on balance transfers: 21 months (transfers made within 120 days)
• Regular APR after intro period: 17.49%, 23.99%, or 28.24% variable
• Balance transfer fee: Applies (check current terms at wellsfargo.com for exact percentage)
• Foreign transaction fee: 3%

Best for: Someone financing a large purchase who wants the maximum runway before interest kicks in, or someone moving a balance who needs 21 months to pay it off without time pressure.

Drawback: No rewards on purchases, and interest on balance transfers accrues from the posting date (no grace period on BT balances). If you don't finish paying off the balance before 21 months, the regular APR range is wide — verify your creditworthiness tier before applying.

Source: wellsfargo.com, creditcards.wellsfargo.com/reflect-visa-credit-card, as of May 2026.

BankAmericard® Credit Card — Tied for longest window, lower regular APR

• Annual fee: $0
• 0% intro APR on purchases: 21 billing cycles from account opening
• 0% intro APR on balance transfers: 21 billing cycles (transfers made in first 60 days)
• Regular APR after intro period: 14.99%–25.99% variable
• Balance transfer fee: 5% of each transfer amount
• No penalty APR: Paying late won't automatically raise your rate — a notable consumer protection

Best for: Someone who wants the longest 0% window and a lower regular APR ceiling if they don't fully pay off the balance. The no-penalty-APR clause is meaningful — one late payment won't trigger a rate spike.

Drawback: The 5% balance transfer fee is on the higher end. On a $5,000 balance transfer, that's $250 upfront. The 60-day window to initiate transfers is shorter than some competitors (Wells Fargo allows 120 days).

Source: bankofamerica.com, as of May 2026.

Citi® Diamond Preferred® Card — Best balance transfer window, shorter purchase window

• Annual fee: $0
• 0% intro APR on purchases: 12 months from account opening
• 0% intro APR on balance transfers: 21 months from account opening
• Regular APR after intro period: 16.49%–27.24% variable
• Balance transfer fee: 3% (minimum $5) for transfers completed in first 4 months; 5% thereafter

Best for: Someone whose primary goal is a balance transfer — the 21-month BT window is excellent, and the 3% intro transfer fee is lower than the BankAmericard's 5% if you initiate the transfer within the first 4 months.

Drawback: The 0% window on purchases is only 12 months — half the balance transfer window. If you're financing a new purchase and moving existing debt simultaneously, the split terms can create confusion. Don't put new purchases on this card expecting the full 21-month window; only the BT balance gets that treatment.

Source: creditcards.com/balance-transfer/citi-diamond-preferred, as of May 2026.

U.S. Bank Shield™ Visa® Card — 21 months on both, with a twist

• Annual fee: $0
• 0% intro APR on purchases: 21 billing cycles
• 0% intro APR on balance transfers: 21 billing cycles (transfers made within 60 days)
• Balance transfer fee: 5% of transfer amount ($5 minimum)
• Bonus feature: 4% cash back on prepaid travel through U.S. Bank's Travel Center; $20 annual statement credit after 11 consecutive months of purchases

Best for: Someone who wants a 21-month 0% window on both purchases and balance transfers, plus a modest ongoing rewards structure. The $20 annual statement credit is minor but the travel cash back is useful if you book through U.S. Bank's portal.

Drawback: Balance transfers must be initiated within 60 days of account opening. The 5% transfer fee applies. Transfers from other U.S. Bank accounts are not permitted.

Source: usbank.com/us-bank-shield-visa, as of May 2026.

How we think about the balance transfer fee

The balance transfer fee is a one-time cost that you pay in exchange for months of zero interest. Whether it's worth it depends on your balance and your regular APR.

Example: You have $5,000 on a card at 22% APR. You transfer it to a card with a 21-month 0% period and a 3% balance transfer fee. The fee costs you $150 upfront. Over 21 months at 22% APR with a $250/month payment, you would have paid roughly $1,000 in interest. Net savings: approximately $850 after the fee. That math works.

Where it doesn't work: if your balance is small ($1,000 or less) and you could pay it off quickly anyway, the transfer fee may not be worth the hassle of opening a new card. Run the numbers for your specific balance and payoff timeline.

For a deeper look at how balance transfers compare to personal loans as a debt-payoff tool, see our Balance Transfer vs Personal Loan guide, and our Best Balance Transfer Credit Cards roundup for cards focused specifically on debt payoff.

How we picked these cards

We looked for 0% intro APR cards with no annual fee and intro periods of at least 12 months on purchases or balance transfers. We prioritized cards with the longest intro windows and the most transparent fee structures. We excluded cards where the 0% offer was contingent on enrollment in a premium banking tier, and cards where the regular APR after the intro period was unusually high (above 30% at the high end of the range).

We did not pick these cards based on commission rate. The BankAmericard pays a referral fee when you apply through our link; so does the Citi Diamond Preferred. We'd recommend the Citi Diamond Preferred for balance-transfer-primary use cases even if it paid a lower commission, because the 3% intro transfer fee is objectively better than the BankAmericard's 5% for transfers initiated within the first four months.

The bottom line

The Wells Fargo Reflect and BankAmericard are tied for the longest 0% window at 21 months on both purchases and balance transfers. The BankAmericard wins on regular APR ceiling (25.99% vs 28.24%); the Reflect wins on transfer initiation flexibility (120 days vs 60 days).

For balance-transfer-primary use, the Citi Diamond Preferred's 3% intro transfer fee is the best deal if you initiate within four months of opening — that fee saves you $100 on a $5,000 transfer compared to the 5% fee on BankAmericard and U.S. Bank Shield.

The most important variable: make sure your payoff plan fits inside the intro window. If you can't realistically pay off your balance before the 0% period expires, you're just deferring interest, not eliminating it. The Federal Reserve's current average APR is 21.00% — that's what's waiting on the other side of the intro period if you don't pay off the balance in time.

If you're carrying significant debt across multiple cards and a balance transfer card won't cover the full amount, a personal loan may be a better fit. Our Credit Card Debt Payoff Plan guide covers when to use each approach.

Verify all current APR ranges and intro periods directly with the issuer before applying. These numbers change and the terms on this page reflect the most recent data available as of May 2026.

This article was AI-assisted and reviewed by our editorial team.