Calculate the due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 150,000 units (Dollar, Euro, Pound, etc.), from date: Jan 26, 2017, to date: Apr 26, 2017, namely for a period of 90 days (3 Months), with an annual simple flat interest rate of 9% if the commission fee (withdrawal or payment) is 0%.

Principal (initial amount), P = 150,000


Annual simple interest rate, R = 9%


From date: Jan 26, 2017


To date: Apr 26, 2017


Duration, T = 90 days (3 Months)


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


No. of days in a year, N = 365


I = Simple interest:

I = (P × R × T) ÷ N =


(150,000 × 9% × 90) ÷ 365 =


(150,000 × 9 × 90) ÷ (365 × 100) =


121,500,000 ÷ 36,500 ≈


3,328.767123287671 ≈


3,328.77

B = Amount earned:

B = P + I =


150,000 + 3,328.767123287671 =


153,328.767123287671 ≈


153,328.77

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 150,000 units (Dollar, Euro, Pound, etc.), from date: Jan 26, 2017, to date: Apr 26, 2017, namely for a period of 90 days (3 Months), with an annual simple flat interest rate of 9% if the commission fee (withdrawal or payment) is 0%. May 24 01:47 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 500 units (Dollar, Euro, Pound, etc.), from date: Mar 16, 2019, to date: Dec 16, 2019, namely for a period of 275 days (9 Months), with an annual simple flat interest rate of 18% if the commission fee (withdrawal or payment) is 0%. May 24 01:46 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 41% if the commission fee (withdrawal or payment) is 0%. May 24 01:46 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: Jun 28, 2017, to date: Oct 01, 2017, namely for a period of 95 days (4 Months without 27 Days), with an annual simple flat interest rate of 3% if the commission fee (withdrawal or payment) is 0%. May 24 01:46 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 100 units (Dollar, Euro, Pound, etc.), from date: Dec 09, 2016, to date: Jan 09, 2017, namely for a period of 31 days, with an annual simple flat interest rate of 3% if the commission fee (withdrawal or payment) is 0%. May 24 01:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,130 units (Dollar, Euro, Pound, etc.), from date: Sep 12, 1997, to date: Oct 12, 2018, namely for a period of 7,700 days (253 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. May 24 01:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 1,130 units (Dollar, Euro, Pound, etc.), from date: Sep 12, 1997, to date: Oct 12, 2018, namely for a period of 7,700 days (253 Months), with an annual simple flat interest rate of 2% if the commission fee (withdrawal or payment) is 0%. May 24 01:45 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 10,000 units (Dollar, Euro, Pound, etc.), from date: May 11, 2017, to date: Jun 26, 2017, namely for a period of 46 days (1 Month and 15 Days), with an annual simple flat interest rate of 26% if the commission fee (withdrawal or payment) is 0%. May 24 01:44 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 12,000 units (Dollar, Euro, Pound, etc.), from date: Mar 23, 2017, to date: Dec 23, 2017, namely for a period of 275 days (9 Months), with an annual simple flat interest rate of 15% if the commission fee (withdrawal or payment) is 0%. May 24 01:44 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 2,500 units (Dollar, Euro, Pound, etc.), from date: Jun 11, 2018, to date: Jun 11, 2020, namely for a period of 731 days (24 Months), with an annual simple flat interest rate of 17.5% if the commission fee (withdrawal or payment) is 0%. May 24 01:44 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 20,100 units (Dollar, Euro, Pound, etc.), from date: Jun 04, 2018, to date: Dec 04, 2018, namely for a period of 183 days (6 Months), with an annual simple flat interest rate of 0.75% if the commission fee (withdrawal or payment) is 0%. May 24 01:44 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 9,000 units (Dollar, Euro, Pound, etc.), from date: Feb 07, 2016, to date: Mar 07, 2019, namely for a period of 1,124 days (37 Months), with an annual simple flat interest rate of 5% if the commission fee (withdrawal or payment) is 0%. May 24 01:43 UTC (GMT)
Calculate due interest earned by a principal (initial amount of money lent, deposited or borrowed) of 10,000 units (Dollar, Euro, Pound, etc.), from date: Feb 04, 2019, to date: Feb 04, 2022, namely for a period of 1,096 days (36 Months), with an annual simple flat interest rate of 350% if the commission fee (withdrawal or payment) is 0%. May 24 01:43 UTC (GMT)
All users calculated simple flat rate interest values