Calculate the due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 4,000 units (Dollar, Euro, Pound, etc.), from date: Mar 2, 2018, to date: Apr 2, 2018, namely for a period of 31 days, with an annual simple flat interest rate of 1.6% if the commission fee (withdrawal or payment) is 0%.

Principal (initial amount), P = 4,000


Annual simple interest rate, R = 1.6%


From date: Mar 2, 2018


To date: Apr 2, 2018


Duration, T = 31 days


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


No. of days in a year, N = 365


I = Simple interest:

I = (P × R × T) ÷ N =


(4,000 × 1.6% × 31) ÷ 365 =


(4,000 × 1.6 × 31) ÷ (365 × 100) =


198,400 ÷ 36,500 ≈


5.435616438356 ≈


5.44

B = Amount earned:

B = P + I =


4,000 + 5.435616438356 =


4,005.435616438356 ≈


4,005.44

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 60,000 units (Dollar, Euro, Pound, etc.), from date: Oct 30, 2012, to date: Aug 12, 2013, namely for a period of 286 days (10 Months without 18 Days), with an annual simple flat interest rate of 3% if the commission fee (withdrawal or payment) is 0%. May 24 02:08 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 4,000 units (Dollar, Euro, Pound, etc.), from date: Mar 02, 2018, to date: Apr 02, 2018, namely for a period of 31 days, with an annual simple flat interest rate of 1.6% if the commission fee (withdrawal or payment) is 0%. May 24 02:08 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 6,000 units (Dollar, Euro, Pound, etc.), from date: Feb 08, 2019, to date: Mar 08, 2020, namely for a period of 394 days (13 Months), with an annual simple flat interest rate of 200% if the commission fee (withdrawal or payment) is 0%. May 24 02:08 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 4,000 units (Dollar, Euro, Pound, etc.), from date: Jun 07, 2018, to date: Jul 07, 2018, namely for a period of 30 days, with an annual simple flat interest rate of 950% if the commission fee (withdrawal or payment) is 2%. May 24 02:08 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 400 units (Dollar, Euro, Pound, etc.), from date: May 03, 2017, to date: Jun 03, 2017, namely for a period of 31 days, with an annual simple flat interest rate of 14% if the commission fee (withdrawal or payment) is 0%. May 24 02:07 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 600 units (Dollar, Euro, Pound, etc.), from date: Mar 27, 2019, to date: Apr 27, 2019, namely for a period of 31 days, with an annual simple flat interest rate of 12% if the commission fee (withdrawal or payment) is 0%. May 24 02:07 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 15,000 units (Dollar, Euro, Pound, etc.), from date: Jun 07, 2004, to date: Jul 11, 2004, namely for a period of 34 days (1 Month and 4 Days), with an annual simple flat interest rate of 20.75% if the commission fee (withdrawal or payment) is 0%. May 24 02:07 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 3,870 units (Dollar, Euro, Pound, etc.), from date: May 01, 2014, to date: Aug 10, 2017, namely for a period of 1,197 days (39 Months and 9 Days), with an annual simple flat interest rate of 1% if the commission fee (withdrawal or payment) is 0%. May 24 02:06 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 65,000 units (Dollar, Euro, Pound, etc.), from date: Jul 08, 2008, to date: Jun 20, 2018, namely for a period of 3,634 days (119 Months and 12 Days), with an annual simple flat interest rate of 60% if the commission fee (withdrawal or payment) is 0%. May 24 02:06 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 274,000 units (Dollar, Euro, Pound, etc.), from date: Nov 04, 2018, to date: Nov 04, 2019, namely for a period of 365 days (12 Months), with an annual simple flat interest rate of 7.5% if the commission fee (withdrawal or payment) is 0%. May 24 02:05 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 7,200 units (Dollar, Euro, Pound, etc.), from date: Oct 05, 2017, to date: Oct 09, 2017, namely for a period of 4 days, with an annual simple flat interest rate of 9.35% if the commission fee (withdrawal or payment) is 0%. May 24 02:05 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 8,000 units (Dollar, Euro, Pound, etc.), from date: Jan 21, 2019, to date: Feb 21, 2019, 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%. May 24 02:05 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 15,000 units (Dollar, Euro, Pound, etc.), from date: Jan 10, 2019, to date: Jul 10, 2019, namely for a period of 181 days (6 Months), with an annual simple flat interest rate of 1.15% if the commission fee (withdrawal or payment) is 0%. May 24 02:05 UTC (GMT)
All users calculated simple flat rate interest values