401k Loan Calculator | 401k Loan Repayment Calculator
iqcalculators.com › calculator › 401k-loan-calculator401k Loan Calculator Glossary. 401k Loan Amount - The amount of the 401k loan that you plan on taking. Interest Rate - The interest rate that you will pay for taking the 401k loan. In the case of a 401k loan, you are borrowing money from yourself so you will actually be paying money back into your 401k account both in the form of principal and interest....yes, the interest is paid into the 401k account as well as the principal.