Principal and Interest Calculator
Enter loan amount, annual rate, and term. Get monthly principal and interest (P&I) and total interest over the life of the loan.
P&I
Enter values to calculate.
How it works
Standard amortization formula. P&I does not include taxes, insurance, or PMI.
When to use it
Use it for any fixed-rate loan: mortgage, auto, personal. Compare with PITI or total cost tools.
Frequently asked questions
Same as mortgage calculator?
Same P&I math. Use this for any loan type.
Include PMI?
No. Add PMI separately with the PMI calculator.