Calculate the due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 500 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Apr 24, 2017, to date: May 24, 2017, namely for a period of 30 days, with an annual simple flat interest rate of 0.8% if the commission fee (withdrawal or payment) is 0%.

Principal (initial amount), P = 500


Annual simple interest rate, R = 0.8%


From date: Apr 24, 2017


To date: May 24, 2017


Duration, T = 30 days


Commission fee (withdrawal or payment), F = 0%


No. of days in a year, N = 365


I = Simple interest:

I = (P × R × T) ÷ N =


(500 × 0.8% × 30) ÷ 365 =


(500 × 0.8 × 30) ÷ (365 × 100) =


12,000 ÷ 36,500 ≈


0.328767123288 ≈


0.33

B = Amount earned:

B = P + I =


500 + 0.328767123288 =


500.328767123288 ≈


500.33

Signs: % percent, ÷ divide, × multiply, ≈ approximately equal;

Writing numbers: comma ',' as thousands separator; point '.' as a decimal mark;

Calculate simple flat rate interest on a principal borrowed, lent

Simple flat rate interest = (Principal × Annual simple flat interest rate × Duration in days) ÷ Number of days in a year

Latest calculated simple flat rate interest values

Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 500 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Apr 24, 2017, to date: May 24, 2017, namely for a period of 30 days, with an annual simple flat interest rate of 0.8% if the commission fee (withdrawal or payment) is 0%. Jan 19 07:08 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100,000 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: May 22, 2017, to date: Jun 22, 2027, namely for a period of 3,683 days (121 Months), with an annual simple flat interest rate of 10% if the commission fee (withdrawal or payment) is 0%. Jan 19 07:08 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 8,995 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: May 27, 2017, to date: Dec 27, 2017, namely for a period of 214 days (7 Months), with an annual simple flat interest rate of 1% if the commission fee (withdrawal or payment) is 0.2%. Jan 19 07:07 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,000 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Jan 04, 2018, to date: Jul 04, 2018, namely for a period of 181 days (6 Months), with an annual simple flat interest rate of 10% if the commission fee (withdrawal or payment) is 0%. Jan 19 07:07 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 250,000 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Feb 01, 2017, to date: Dec 01, 2017, namely for a period of 303 days (10 Months), with an annual simple flat interest rate of 2.4% if the commission fee (withdrawal or payment) is 0%. Jan 19 07:07 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 4,000 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Oct 09, 2017, to date: Nov 09, 2017, namely for a period of 31 days, with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 9,856.369%. Jan 19 07:07 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 5,000 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: May 10, 2017, to date: Jun 10, 2017, namely for a period of 31 days, with an annual simple flat interest rate of 5% if the commission fee (withdrawal or payment) is 0%. Jan 19 07:04 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,500 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Apr 06, 2017, to date: May 06, 2017, namely for a period of 30 days, with an annual simple flat interest rate of 16.9% if the commission fee (withdrawal or payment) is 0%. Jan 19 07:03 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 200 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Apr 18, 2017, to date: May 18, 2017, namely for a period of 30 days, with an annual simple flat interest rate of 0.25% if the commission fee (withdrawal or payment) is 0%. Jan 19 07:01 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,000 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Sep 20, 2017, to date: Sep 20, 2018, namely for a period of 365 days (12 Months), with an annual simple flat interest rate of 5% if the commission fee (withdrawal or payment) is 0%. Jan 19 06:57 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,000 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Jul 24, 2016, to date: Oct 24, 2016, namely for a period of 92 days (3 Months), with an annual simple flat interest rate of 10% if the commission fee (withdrawal or payment) is 0%. Jan 19 06:55 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 3,000 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Oct 04, 2017, to date: Nov 04, 2017, namely for a period of 31 days, with an annual simple flat interest rate of 0.5% if the commission fee (withdrawal or payment) is 0%. Jan 19 06:52 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 2,200 units (Dollar, Euro, Yen, Pound, Franc, etc.), from date: Apr 19, 2017, to date: May 19, 2019, namely for a period of 760 days (25 Months), with an annual simple flat interest rate of 3% if the commission fee (withdrawal or payment) is 0%. Jan 19 06:43 UTC (GMT)
All users calculated simple flat rate interest values