Interest Calculator 2018-08-10T11:00:01+00:00

Interest Calculator

Our Interest Calculator can help determine the interest payments and final balances on not only fixed principal amounts, but also additional periodic contributions. There are also optional factors available for consideration such as tax on interest income and inflation. To understand and compare the different ways in which interest can be compounded, please visit our Compound Interest Calculator instead.

Starting Principal
Annual Contribution
Monthly Contribution
Contribute at the 
of each compounding period
Interest Rate %
Compound
After years
Tax Rate %
Inflation Rate %

Results

End Balance $56,641.10
After Inflation Adjustment $48,859.11
Total Principal $45,000.00
Total Interest $11,641.10
Breakdown
79%21%PrincipalInterest
Balance Accumulation Graph

Annual Schedule

start principal start balance interest tax end balance end principal
1 $25,000.00 $25,000.00 $1,500.01 $0.00 $26,500.00 $25,000.00
2 $30,000.00 $31,500.00 $1,890.01 $0.00 $33,390.00 $30,000.00
3 $35,000.00 $38,390.00 $2,303.41 $0.00 $40,693.40 $35,000.00
4 $40,000.00 $45,693.40 $2,741.60 $0.00 $48,435.00 $40,000.00
5 $45,000.00 $53,435.00 $3,206.11 $0.00 $56,641.10 $45,000.00