Reducing to Flat Rate Formula:
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The Reducing to Flat Rate conversion calculates the equivalent flat interest rate from a given reducing balance rate over a specific time period. This helps in comparing different loan structures on an equal basis.
The calculator uses the formula:
Where:
Explanation: The formula accounts for the fact that under reducing balance method, the principal decreases over time, while flat rate applies to the original principal throughout.
Details: Converting between rate types helps borrowers compare loan products accurately and understand the true cost of borrowing when different calculation methods are used.
Tips: Enter the reducing rate as a decimal (e.g., 0.1 for 10%), and the time period in years. Both values must be positive numbers.
Q1: Why convert reducing rate to flat rate?
A: Conversion allows for easier comparison between loans using different interest calculation methods.
Q2: How does loan term affect the conversion?
A: Longer loan terms result in a greater difference between the reducing rate and equivalent flat rate.
Q3: Is flat rate always higher than reducing rate?
A: Yes, the equivalent flat rate is always higher than the reducing rate for the same loan.
Q4: Can this formula be reversed to get reducing rate from flat rate?
A: Yes, the formula can be rearranged to calculate reducing rate from a known flat rate.
Q5: Does this account for payment frequency?
A: This simplified version assumes annual payments. More complex formulas account for monthly payments.