Zcalculate.
Library Index
financial / Free Online Tool

Payment Calculator.

Convert total item cost, sales tax, down payments, and finance terms into regular payments.

Input Parameters

$
$
%
months

Comments & Feedback.

Documentation

User manual & function guide.

Detailed manual explaining every function, input parameter, and operational example for the Payment Calculator.

Purchase Price

Function

Price of item being financed.

Example Operation Purchase Price = $15,000

Down Payment

Function

Initial down payment.

Example Operation Down Payment = $1,500

Interest Rate

Function

Annual interest percentage rate.

Example Operation Interest Rate = 8.0%

Term Duration

Function

Duration in months.

Example Operation Term = 36 months

Installment Calculation

Function

Computes monthly payment installment.

Example Operation $13,500 financed @ 8% for 36 mos = $423.23 / mo

Frequently asked questions.

How do I estimate my monthly payment for a purchase?

Enter the purchase price, subtract your down payment to get the financed amount, then apply the interest rate over your chosen term using the standard amortization formula.

Related calculators.

Explore more tools that complement this calculator.