Payment Schedule Formula:
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A promissory note payment schedule shows the breakdown of payments between principal and interest over the life of a loan. It helps borrowers understand how much of each payment goes toward reducing the principal versus paying interest.
The calculator uses the following formula:
Where:
Explanation: The formula calculates the portion of payments that has gone toward reducing the principal by subtracting the total interest paid from the total payments made.
Details: Understanding your payment schedule helps in financial planning, tax preparation (as interest may be deductible), and assessing loan amortization progress.
Tips: Enter the cumulative payments and total interest paid in USD. Both values must be positive numbers.
Q1: Why is the payment schedule important?
A: It shows how much of your payments are actually reducing your loan balance versus paying interest, helping you understand your loan's progress.
Q2: How often should I check my payment schedule?
A: Review it annually or whenever you make extra payments to understand how they affect your loan amortization.
Q3: What's the difference between cumulative payments and principal payments?
A: Cumulative payments include both principal and interest, while principal payments are the portion that reduces your loan balance.
Q4: Does making extra payments change the schedule?
A: Yes, extra payments typically go toward principal, which reduces future interest and accelerates loan payoff.
Q5: How does this relate to amortization schedules?
A: This is a simplified calculation that can be derived from a full amortization schedule which shows each payment's breakdown over time.