Effective Interest Rate Calculator
FinanceCalculate the effective interest rate on a loan or deposit, including a monthly-equivalent breakdown useful for comparing offers with different compounding schedules side by side.
Effective Interest Rate
The real annual rate once compounding is applied
Monthly-Equivalent Rate
6.4905
Useful when comparing this offer against a monthly-quoted rate elsewhere
Found this calculator useful?
From Scratch To $10K/Month In 60 Days
This is a proven money making system that takes students by the hand to make at least $10,000 per month, every month. Students get 12 weeks of guided coaching in addition to the "MPS Super Funnel" and tools.
We value your privacy and promise not to sell or misuse your information. Here's our privacy policy.
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Calculator Stats
Creators
Odeh Ahwal0people find this calculator helpful
Views
Helpful
Saved
Embeds
Finance calculators
Frequently Asked Questions
How is this different from the EAR calculator?
Same core formula, but this version adds a 360-day compounding option (common in some commercial lending) and a monthly-equivalent rate for easier side-by-side comparison shopping.
Should I use the effective rate or the nominal rate to compare loans?
Always the effective rate. Two loans with the same nominal rate but different compounding frequencies can have meaningfully different real costs.
Spot a mistake? Tell us what's wrong.
Request a calculator. The most-requested ones get built first in our monthly batch.
Request a calculatorWant this calculator on your website?
Embed the Effective Interest Rate Calculator on any site — no code needed. Customize colors, remove branding, and track usage.
