# Formula to calculate how long to pay off credit card debt?

example input:

Amount that you owe: $500

APR: 29.99%

Monthly payment: $19

I need to know how to calculate how many months that it will take to pay off. Thanks!

P.S. I do not have credit card debt. I just want to program a calculator. =)

Amount that you owe: $500

APR: 29.99%

Monthly payment: $19

I need to know how to calculate how many months that it will take to pay off. Thanks!

P.S. I do not have credit card debt. I just want to program a calculator. =)

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