Monthly Interest Formula:
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Per diem mortgage interest is the daily interest charged on your mortgage loan. This calculator helps you estimate the monthly interest by multiplying the daily rate by 30 days.
The calculator uses the simple formula:
Where:
Explanation: This provides a quick estimate of monthly interest payments based on your daily rate.
Details: Understanding your monthly interest helps with budgeting and financial planning, especially when considering mortgage refinancing or additional payments.
Tips: Enter your daily interest amount (per diem) in USD. The value must be greater than 0.
Q1: Where can I find my per diem amount?
A: Your per diem is typically listed on your mortgage statement or can be calculated by dividing your annual interest rate by 365 and multiplying by your loan balance.
Q2: Is this calculation exact?
A: It's an estimate. Actual monthly interest may vary slightly due to changing loan balances or months with different numbers of days.
Q3: Why multiply by 30 instead of actual days in month?
A: 30 is used as a standard multiplier for estimation purposes. For precise calculations, use the exact number of days.
Q4: Does this include principal payments?
A: No, this calculates interest only. Your total monthly payment would include both principal and interest.
Q5: Can I use this for other types of loans?
A: Yes, this calculation works for any simple interest loan where you know the daily interest amount.