Car financing

Calculate flat-rate or reducing-balance car financing with a down payment and separately stated fees.

Inputs stay on this page and are not saved or sent to analytics.

Result

Enter your assumptions and calculate payments and remaining debt.

Monthly model: interest and payments round to cents; the final payment clears the balance. Extra payments follow interest and regular payment. Total payments already include extras.

Use the contract price; VAT is not added automatically. Flat interest allocation is illustrative and does not determine early-settlement rebates.

This is an estimate, not a loan offer or an exact lender statement.

How to use this calculator

01

Set your inputs and units

Enter amounts in THB and choose a period and rate basis that match the scenario you want to model.

02

Check the assumptions

Review contribution timing, day-count basis or reserve duration. Financial products do not all use the same rules.

03

Calculate and compare

Read the result and table, then change inputs to compare. Copy the result or reset without leaving this page.

A worked example

Illustrative calculation

A 500,000 THB car with 100,000 THB down finances 400,000 THB. Flat 3% for 60 months means 60,000 THB interest before fees.

Compare a second scenario

Copy your first result, then change only the amount or duration to see how that assumption changes the outcome.

Common questions

Where does my information go?

Calculations run in your browser. Financial inputs are neither saved locally nor sent to analytics. Reloading restores the initial values.

Does this match a bank statement or guarantee a return?

This is an estimate under your assumptions, not a guaranteed return. Actual payment dates, fees, taxes and contractual rounding can change the result.