Answer
No. Interest is charged on the balance; principal pays it down. They are not the same dollar or the same purpose.
How they appear together
Your statement lists P&I: two buckets inside one payment.
Tools
Amortization shows the split line by line.
Core lesson
Go deeper: Loan payments explained.
Use the calculator
FAQ
- Can one dollar be both?
No—each dollar is allocated to interest or principal (and fees) per posting rules.