Remaining Loan Balance
MONEY & BUSINESS
Remaining Loan Balance
Estimate principal remaining on a fixed-rate amortizing loan.
UNDERSTAND YOUR RESULT
How it works
Estimate principal remaining on a fixed-rate amortizing loan.
THE CALCULATIONbalance = P(1+r)^k − payment × ((1+r)^k−1)/r
Using this calculator
Enter initial principal, annual nominal rate (%), months, payments already made. balance = P(1+r)^k − payment × ((1+r)^k−1)/r.
What to keep in mind
Uses the amounts and rates you enter. No live prices, tax rules, lender fees or individualized financial advice are included. Keep currency and accounting periods consistent.
Sources & further reading
CFPB · Understanding amortization ↗Frequently asked questions
Are my entries saved?
No. Calculator inputs remain in the current page and are cleared when you reload or leave. The tools do not upload your entries.
Why are results rounded?
The display is rounded for readability. Calculations use unrounded intermediate values. An estimate should not be interpreted as an exact measurement.