Option ARM Payment Calculator Option ARM Loan Information Loan Amount ($) Length of Loan (Yrs) Initial Interest Rate (%) Index Rate (%) Margin (%) Payment Change Cap (%) Standard Loan Information Interest Rate (%) Results Minimum Payment: $999.76 (Deferred Interest: $625.24) Interest Only Payment: $1,625.00 Fully Amortizing 30-Year Payment: $1,896.20 Fully Amortizing 15-Year Payment: $2,613.32 Fully Amortizing 40-Year Payment: $1,756.37 Standard Loan Payment: $2,201.29 Instructions This calculator will show a minimum payment and an interest only payment amount for option ARM loans based on your loan parameters. For comparison, it will also calculate the monthly payment for standard fixed-rate mortgage. Disclaimer: We cannot guarantee the accuracy of this calculator. You should check with your finance provider before entering into any contracts.