3 ms·The default time period on the calculator is 2 years.by ac29 6y agoThe default time period on the calculator is 2 years.dastx 6y agoYep, I used 2 years on both calculators.liuhenry 6y agoIt's ~£500 payments per month (which covers both interest and some of the principal). The total interest comes out to £1,473.