This is a very simple and efficient EMI calculator online. Just enter the principal amount, the rate of interest and period of loan and you will get the EMI instantly. It also gives you the calculations and the working for the entire calculation, the principal amount repaid along with the interest that you are paying each year along with their totals over the entire period of the loan.
If you are working for a bank or financial institution and have to do these calculations daily, they have a mobile-friendly EMI Calculator widget which you can install on your phone.
If you have a Banking or Financial Website developed on WordPress, they also provide you with a WordPress plugin which you could incorporate directly on your website and allow your users to do the calculations right on your WordPress website.
Android : https://bit.ly/3HNrz9B iOS : https://apple.co/3rGfA86 (similar)