Calculation of Credit Card interest can be defined in this way if you charge your Credit Card to buy a cellphone Rs 20000/= and your credit card limit is Rs 250000/= then your limit remain Rs 230000/= now outstanding charged amount is Rs 20000/= here if your APR (Annual percentage rate) is for example 22% and you have to pay for 30 days then credit card interest calculation can be defined as below.
APR 22%
Credit Card Limit Rs 250000
Less:Charged Amount Rs 20000
Remaining Limit Rs 230000
Now you have to charge interest on Credit Card charged amount for 30 days.
Charged amount multiply number of days spend.
Rs 20000 x 30 days = Rs 600000
now calculate first day charged amount divide Rs 600000 by 30.
Rs 600000 / 30 = Rs 20000
APR /number of days a year 22% / 365 = 0.06027397%
0.6027397% x 30 = 18.082191%
now multiply charged amount to monthly interest rate.
Rs 20000 x 18.082191% = Rs 3616.4382 per month
this is the calculation of Credit Card Interest.
APR 22%
Credit Card Limit Rs 250000
Less:Charged Amount Rs 20000
Remaining Limit Rs 230000
Now you have to charge interest on Credit Card charged amount for 30 days.
Charged amount multiply number of days spend.
Rs 20000 x 30 days = Rs 600000
now calculate first day charged amount divide Rs 600000 by 30.
Rs 600000 / 30 = Rs 20000
APR /number of days a year 22% / 365 = 0.06027397%
0.6027397% x 30 = 18.082191%
now multiply charged amount to monthly interest rate.
Rs 20000 x 18.082191% = Rs 3616.4382 per month
this is the calculation of Credit Card Interest.