Promo APR

Never let a promo APR deadline surprise you.

Track every 0% APR end date and the exact monthly payment you need to land at zero before the snap-back rate kicks in.

Promo APR deadline tracker

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On track242 days left·Needs $521/mo·Gap $171/mo
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Watch61 days left·Needs $885/mo·Gap $685/mo
Cardinate · Pro

Track promo APRs automatically with Cardinate.

Cardinate watches every promo window in your wallet, sends a heads-up as the deadline approaches, and recalculates the payment needed as the balance moves.

Calculations are estimates for educational purposes only and do not constitute financial advice. Actual payoff timelines, interest charges, and credit outcomes may vary.

What & why

Promo APRs are easy to win and easy to forget.

Why promo APRs are easy to forget

The offer paperwork shows up once. The end date lives in a statement you haven't opened in nine months. By the time you remember, the rate has already snapped back.

How to calculate the payment needed

Take the promo balance and divide by the months remaining in the promo. That's the monthly payment that gets you to zero on time.

Why Cardinate tracks promo APR deadlines

Because a missed promo deadline is the most expensive thing in your wallet, and the easiest one to prevent.

What to do if your promo is ending soon

Either raise the monthly payment, or look at moving the remainder to a new 0% transfer. The balance transfer calculator can tell you which is cheaper.

FAQ

Frequently asked questions

A temporary low or 0% interest rate offered on purchases or balance transfers for a fixed window, typically 6 to 21 months.

Whatever balance is left starts accruing interest at the regular (post-promo) APR going forward. A few cards charge deferred interest retroactively, so read the offer terms.

Divide the promo balance by the number of months left in the promo period. The tracker above does it automatically for each card.

Yes. Add as many as you carry. The tracker sorts by urgency so the most time-sensitive one is always at the top.