Loan Amortization Calculator | Payment Schedule & Interest Tool | Kipta
Free Amortization Tool · CFPB Audited Formula

Loan Amortization Calculator

Calculate monthly payments, total interest costs, and full amortization schedule for mortgages, auto loans, or personal loans. See how extra payments accelerate loan payoff.

Loan Terms

$
%
Shorten your loan
$
/mo
Monthly Installment (P&I)
$1,896
Principal
Interest
Principal Loan (44%) Total Interest (56%)
Total Interest Paid
$382,633
Cost of borrowing
Total Cost of Loan
$682,633
Principal + Interest
Amortization Milestone Schedule Principal vs. Balance
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Mathematical Formula

How Amortization Schedules Work

In an amortized loan, your monthly installment remains flat, but the internal allocation changes drastically. In the early years, the vast majority of your payment covers interest charges. As the principal drops, interest declines and principal reduction accelerates.

Standard Amortization Formula
M = P × [r(1 + r)n] / [(1 + r)n − 1]
M: Monthly payment
P: Principal loan balance
r: Monthly rate (APR / 12)
n: Total number of months
Answers & Guidance

Frequently Asked Questions

Does this calculator include property taxes and homeowner insurance?

This calculator computes pure Principal and Interest (P&I). On a mortgage, your lender may also require an escrow deposit for property taxes, homeowners insurance, and private mortgage insurance (PMI).

Should I choose a 15-year or 30-year mortgage?

A 15-year loan has higher monthly payments but cuts your total interest bill by more than 50% to 60%. A 30-year loan offers lower mandatory monthly payments, providing greater monthly cash flow flexibility.

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Keep your amortization milestones, EMIs, and interest payments organized in one private dashboard.