A balance transfer credit card lets you move debt from one card to another, typically at 0% interest for a set introductory period. Done right, it can save you hundreds in interest and help you become debt-free faster. Done wrong, it can leave you worse off than before.
This guide explains exactly how balance transfers work, which cards to consider in the US, UK, and Canada, and the golden rules that keep you from falling into common traps.
What Is a Balance Transfer?
A balance transfer is when you move the outstanding balance from one credit card to another. The new card offers a 0% introductory APR (Annual Percentage Rate) on transferred balances for a promotional period — usually 6 to 21 months.
During that 0% period, every payment you make goes entirely toward reducing your balance instead of being eaten up by interest. That is the entire point.
How the Process Works
- Apply for a balance transfer card — You need to be approved based on your credit score and financial situation.
- Request the transfer — Provide the account details of your existing card and the amount you want to transfer.
- The new card pays off the old card — This typically takes 3 to 14 business days.
- You repay the new card at 0% — During the introductory period, no interest accrues on the transferred balance.
- After the promo ends — Any remaining balance reverts to the card’s standard APR, which is often 18% to 24%.
The Transfer Fee
Balance transfers are not free. Card issuers charge a transfer fee, typically 1% to 5% of the amount transferred. This fee is usually added to your balance.
- UK cards: Typically 1% to 3%
- US cards: Typically 3% to 5%
- Canadian cards: Typically 1% to 3%
On a 5,000 transfer, a 3% fee costs 150. That is still far less than the interest you would pay without the transfer, but it is not nothing.
How Much Can You Save?
The savings from a balance transfer depend on three things: your current interest rate, the length of the 0% period, and how much you can pay each month.
Example: 5,000 Debt at 21% APR vs. 0% Balance Transfer
| Scenario | Monthly Payment | Time to Pay Off | Total Interest Paid | Total Cost |
|---|---|---|---|---|
| No transfer (21% APR) | 150/month | 42 months | 2,187 | 7,187 |
| 12-month 0% transfer (1.5% fee) | 422/month | 12 months | 75 (fee only) | 5,075 |
| 18-month 0% transfer (1.5% fee) | 281/month | 18 months | 75 (fee only) | 5,075 |
Savings: 2,112 by transferring to the 12-month card.
Example: 5,000 Dollar Debt at 22% APR vs. 0% Balance Transfer
| Scenario | Monthly Payment | Time to Pay Off | Total Interest Paid | Total Cost |
|---|---|---|---|---|
| No transfer (22% APR) | 150/month | 43 months | 2,394 | 7,394 |
| 15-month 0% transfer (3% fee) | 339/month | 15 months | 150 (fee only) | 5,150 |
| 21-month 0% transfer (3% fee) | 244/month | 21 months | 150 (fee only) | 5,150 |
Savings: 2,244 by transferring to the 15-month card.
Best Balance Transfer Cards in the US
Citi Simplicity Card
- 0% period: 21 months on balance transfers and purchases
- Transfer fee: 3%
- APR after promo: 19.24% to 29.24% variable
- Annual fee: $0
- Late fees: None
- Penalty APR: None
Why it stands out: One of the longest 0% periods available in the US. The combination of no late fees, no penalty APR, and a 21-month window gives you maximum flexibility. The 3% fee is standard for US balance transfer cards.
Wells Fargo Reflect
- 0% period: 21 months on qualifying balance transfers
- Transfer fee: 3%
- APR after promo: 17.24% to 28.99% variable
- Annual fee: $0
Why it stands out: Matches Citi Simplicity on the 0% period length. Wells Fargo customers may find the integration with existing accounts convenient. The post-promo APR starts lower than many competitors.
BankAmericard
- 0% period: 18 months on balance transfers
- Transfer fee: 3%
- APR after promo: 16.24% to 26.24% variable
- Annual fee: $0
Why it stands out: A solid mid-range option. The post-promo APR is among the lowest, which matters if you cannot pay off the full balance before the 0% period ends.
US Bank Visa Platinum
- 0% period: 18 months on balance transfers and purchases
- Transfer fee: 3%
- APR after promo: 19.24% to 29.24% variable
- Annual fee: $0
Why it stands out: Combines 0% on both balance transfers and new purchases, useful if you need to make a large purchase while paying down transferred debt.
Best Balance Transfer Cards in the UK
Barclaycard Platinum
- 0% period: Up to 22 months on balance transfers
- Transfer fee: 1.5% (within first 60 days)
- APR after promo: 21.9% variable
- Annual fee: £0
Why it stands out: One of the longest 0% periods in the UK. The 1.5% fee is competitive. You must transfer within 60 days of account opening to qualify for the full promotional period.
Virgin Money Balance Transfer
- 0% period: Up to 20 months on balance transfers
- Transfer fee: 1.5%
- APR after promo: 21.9% variable
- Annual fee: £0
Why it stands out: A strong alternative to Barclaycard with a similar 0% period and fee. Virgin Money often runs promotions with slightly different terms, so check current offers.
HSBC Balance Transfer Card
- 0% period: Up to 18 months on balance transfers
- Transfer fee: 1.5%
- APR after promo: 21.9% variable
- Annual fee: £0
Why it stands out: HSBC customers may get faster approval and better integration with existing accounts. The 18-month period is shorter than Barclaycard but still substantial.
MBNA Balance Transfer
- 0% period: Up to 21 months on balance transfers
- Transfer fee: 1% to 3% (varies by offer)
- APR after promo: 21.9% variable
- Annual fee: £0
Why it stands out: MBNA frequently offers the lowest transfer fees in the UK, sometimes as low as 1%. Check for current promotions before applying.
Best Balance Transfer Cards in Canada
MBNA True Line Mastercard
- 0% period: 12 months on balance transfers
- Transfer fee: 1%
- APR after promo: 19.99% variable
- Annual fee: $0
Why it stands out: The 1% transfer fee is the lowest in Canada. A straightforward card with no annual fee and a competitive 0% period.
BMO Preferred Rate Mastercard
- 0% period: 12 months on balance transfers
- Transfer fee: 1.5%
- APR after promo: 17.99% variable
- Annual fee: $0
Why it stands out: The post-promo APR of 17.99% is lower than most Canadian balance transfer cards, which matters if you cannot clear the balance within the 0% period.
Scotiabank Value Visa
- 0% period: 10 months on balance transfers
- Transfer fee: 1%
- APR after promo: 19.99% variable
- Annual fee: $0
Why it stands out: A short but fee-efficient option. The 1% fee keeps costs low, and 10 months is realistic for paying off moderate debt.
The Golden Rules of Balance Transfers
These rules exist because balance transfers go wrong for predictable reasons. Follow them and you will save money. Break them and you will likely end up in a worse position.
Rule 1: Never Miss a Payment
A single missed payment during your 0% introductory period can void the promotion entirely. Your card issuer will revert you to the standard APR immediately, and you will owe interest on the full remaining balance.
Set up a direct debit for at least the minimum payment every month. Better yet, set it up for the amount you calculated you need to pay each month to clear the balance before the 0% period ends.
Rule 2: Clear the Balance Before the 0% Period Ends
This is the most important rule. If you have a 5,000 balance on an 18-month 0% card with a 1.5% fee, you need to pay approximately 281 per month to clear it in time. If you only pay 150 per month, you will still have 2,300 remaining when the 0% period ends — and that balance will immediately start accruing interest at 21.9%.
Do the maths before you transfer. Divide your balance by the number of months in the 0% period (minus one month for the fee) and confirm you can afford that monthly payment.
Rule 3: Do Not Spend on the Balance Transfer Card
Most balance transfer cards apply payments to the lowest-interest balance first. If you transfer 5,000 and then spend 1,000 on new purchases, your payments will go toward the transferred balance first — meaning the new purchases sit at the standard APR (often 21%+) until the transfer is paid off.
Some cards are exceptions, but the safest approach is to never use a balance transfer card for new spending. Keep it in a drawer and focus entirely on paying down the transferred balance.
Rule 4: Factor in the Transfer Fee
The fee is not optional. A 3% fee on 5,000 is 150. That is real money. Compare the total cost (fee plus any interest) across cards before choosing. Sometimes a card with a slightly shorter 0% period but a lower fee saves you more overall.
Rule 5: Do Not Apply for Multiple Cards at Once
Each application creates a hard inquiry on your credit report, which temporarily lowers your score. Applying for multiple balance transfer cards in quick succession signals desperation to lenders and can result in rejections. Apply for one card, get approved, and complete your transfer.
Balance Transfer vs. Debt Consolidation Loan
A balance transfer is not the only way to tackle high-interest debt. A debt consolidation loan combines multiple debts into a single monthly payment, often at a lower interest rate.
| Feature | Balance Transfer Card | Debt Consolidation Loan |
|---|---|---|
| Interest rate | 0% for introductory period | Fixed rate, typically 6% to 15% |
| Loan term | 6 to 24 months | 12 to 60 months |
| Fees | 1% to 5% transfer fee | May include origination fee |
| Credit impact | Hard inquiry, new account | Hard inquiry, new account |
| Best for | Moderate debt, short payoff timeline | Larger debt, longer payoff timeline |
When a balance transfer wins: You have a moderate amount of debt (under 10,000), can afford aggressive monthly payments, and qualify for a long 0% period.
When a consolidation loan wins: You have a large amount of debt, need a longer repayment timeline, or cannot qualify for a balance transfer card due to credit score limitations.
What Happens After the 0% Period Ends
If you still carry a balance when the introductory period expires, the card’s standard APR applies to the remaining amount. This is often 18% to 24% in the UK, 19% to 29% in the US, and 19% to 22% in Canada.
Your options at that point:
- Pay off the remaining balance immediately — The ideal outcome.
- Transfer again — Apply for another balance transfer card and move the remaining balance. This works only if your credit score is strong enough for approval.
- Pay the standard rate — Accept the interest charges and continue making payments. This is the most expensive option.
The best strategy is to avoid this situation entirely by calculating your monthly payments before transferring and committing to clearing the balance within the 0% window.
Step-by-Step: How to Do a Balance Transfer
- Calculate your current debt and the interest rate you are paying.
- Determine how much you can pay monthly toward the transferred balance.
- Compare balance transfer cards based on 0% period length, transfer fee, and eligibility requirements.
- Apply for the card that best fits your repayment timeline.
- Request the balance transfer within the required timeframe (usually during the application or within 60 days).
- Set up a direct debit for the full monthly amount you calculated in step 2.
- Do not use the card for new purchases.
- Monitor your progress and adjust payments if needed to clear the balance before the 0% period ends.