Your calculation will look like this: (day 1 balance + day 2 balance + day 3 balance + … day 30 balance) / Number of days in billing cycle For example, if you charged $50 to your credit card on ...
For example, let's say you spent $500 during a billing cycle, and another $50 after your cycle ends. When you receive your credit card statement, your statement balance will be listed as $500.