Simple Mortgage Loan Calculator Script

This free javasrcipt Mortgage Loan calculator is used to calculate Monthly Payment( EMI ),Monthly Average Interest and Monthly Interest based on Loan amount, rate of interest and number of years . This Loan calculator is for free.

Features

Javascript Simple Mortgage Loan Calculator provides Monthly Payment ( EMI ) and Monthly Interest for the given Loan amount ,interest rate and period.
This is a free javascript calculator.
Just copy the code into your page and use it.

Preview

Simple Mortgage Loan Calculator

Downloads

Javascript

<script type="text/javascript">
function checnum(as)
{
var dd = as.value;
if(isNaN(dd))
{
dd = dd.substring(0,(dd.length-1));
as.value = dd;
}
} function loan() {
var a = document.first.aa.value;
var b = document.first.bb.value;
var c = document.first.cc.value;
var n = c * 12;
var r = b/(12*100);
var p = (a * r *Math.pow((1+r),n))/(Math.pow((1+r),n)-1);
var prin = Math.round(p*100)/100;
document.first.r1.value = prin;
var mon = Math.round(((n * prin) - a)*100)/100;
document.first.r2.value = mon;
var tot = Math.round((mon/n)*100)/100;
document.first.r3.value = tot;
for(var i=0;i<n;i++)
{
var z = a * r * 1;
var q = Math.round(z*100)/100;
var t = p - z;
var w = Math.round(t*100)/100;
var e = a-t;
var l = Math.round(e*100)/100;
a=e;
} } </script>

HTML Code

Release Date - 07-03-2008
Get free version without ©copyright link for just $10/-
For customization of this script or any script development, mail to support@hscripts.com

Usage

He we have explained with a form
Creating the form

 <form name=first>
    Loan Amount:<input name=aa type=text onkeyup=checnum(this) >
    Interest Rates:<input name=bb type=text onkeyup=checnum(this) >
    Term(Years):<input name=cc type=text onkeyup=checnum(this)>
    <input type=button name=ss value=calculate onclick=loan() >
    Monthly Payment(EMI): <input name=r1 type=text readonly >
    Monthly Average Interest:<input name=r2 type=text readonly >
    Monthly Interest:<input name=r3 type=text readonly >
</form>

Include the Javascript code into your tag.
Enter the value for loan amount, rate of interest and number of years. After entering the values click calculate button
When calculate button is clicked then function loan() is triggered to calculate the monthly payment( EMI ), monthly average interest and monthly interest for the given loan amount, rate of interest and period.