Definition: Purchase APR is the interest rate applied to standard card purchases, usually with a grace period if you pay the full statement balance by the due date. Cash Advance APR is a higher rate applied to cash-like transactions (ATM withdrawals, some P2P transfers, gaming chips, money orders) that typically start accruing interest immediately and often add a separate cash advance fee.
Last Reviewed and Updated: May 2026
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Purchases accrue interest only if you carry a balance after the statement due date. Pay in full and you usually keep a grace period on new purchases. Carry a balance and new purchases may start accruing interest immediately next cycle until you restore the grace period.
Interpreting your statement correctly keeps interest from compounding. The daily periodic rate (APR/365) is applied to your average daily balance. Small balances can still cost real money if you let them linger.
Cash advances are treated as immediate debt. Interest starts the day the transaction posts. The APR is typically higher than purchase APR and a cash advance fee (often a percentage with a minimum dollar amount) is added upfront.
Expectation: no grace period, higher APR, and a fee. This is why balances grow faster than people expect.
Networks and issuers use merchant category codes (MCCs) and program rules to classify transactions. Your plan for the money does not matter. The code the merchant sends controls whether the transaction is a purchase or a cash advance.
Check your issuer’s cash-like list and wallet/P2P policies in the card agreement before you act.
Grace period applies to purchases only when you paid your prior statement balance in full. If you revolve, new purchases typically accrue interest from the posting date until you regain the grace period by paying the next statement in full. Cash advances do not get a grace period at all.
Both purchase and cash advance interest are computed daily: APR ÷ 365 = daily periodic rate. Interest adds to the balance and can compound across cycles if unpaid.
These stack on top of the higher APR, accelerating total cost.
Use the quick tables for an apples-to-apples look at APR, fees, and timing.
| Dimension | Purchase APR | Cash Advance APR |
|---|---|---|
| Typical APR | Lower, variable | Higher, variable |
| Grace Period | Yes, if prior statement paid in full | No |
| When Interest Starts | After due date if you revolve | Immediately on posting |
| Upfront Fee | None | % of amount with minimum |
| Rewards | Usually eligible | Usually not eligible |
| Transaction | Likely Coding | Notes |
|---|---|---|
| Grocery or retail swipe | Purchase | Grace period possible |
| ATM withdrawal with credit card | Cash Advance | Immediate interest + fee |
| Money order / gaming chips | Cash Advance | Cash-like per issuer rules |
| P2P transfer (certain wallets) | Cash Advance | Varies by wallet and issuer |
| Online retail via wallet | Purchase | Depends on MCC and wallet |
| Amount | At 24% Purchase APR | At 29.99% Cash Advance APR + 5% Fee |
|---|---|---|
| $300 ~$5.92 if revolved ~$7.40 interest + $15 fee | ||
| $1,000 ~$19.73 if revolved ~$24.65 interest + $50 fee | ||
| $2,500 ~$49.32 if revolved ~$61.63 interest + $125 fee |
| Amount | At 24% Purchase APR | At 29.99% Cash Advance APR + 5% Fee |
|---|---|---|
| $300 ~$5.92 if revolved ~$7.40 interest + $15 fee | ||
| $1,000 ~$19.73 if revolved ~$24.65 interest + $50 fee | ||
| $2,500 ~$49.32 if revolved ~$61.63 interest + $125 fee |
Choose the action that fits your current position.
| Tier | Risk Read | Next Move |
|---|---|---|
| Foundational | Highest sensitivity to compounding costs | Avoid cash advances entirely; set autopay for statement balance; build 1-month buffer |
| Build | Grace period can be restored with one full payoff | Create a 60—90 day payoff plan; use debit for cash needs |
| Revenue | Multiple cards, mixed promos increase confusion risk | Map which card has a grace period; align purchases there; never use cash advance |
| Bank | Low balances but large limits can mask fee drag | Keep utilization under 10%; disable cash advance feature where allowed |
For the broader readiness path, use the EIN-Only Approval Score™ and the Business Credit Optimization Checklist to connect this topic to your next approval move.
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