Loan Installment Schedule Calculator
The Loan Installment Schedule Calculator estimates a loan and interest estimate for your scenario from the quantities, rates, period, units and other assumptions requested on the page. Replace the example values with your own loan installment schedule figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.
I've seen every draw.
Separate the payments, principal, interest and balance.
You can use it for your house, car, loan.
There's a sample of 3 million baht, a 700k car and a personal loan.
Print / Save PDF
Save the schedule for a conversation with the bank or your spouse right away.
Create a repayment schedule for your loan with dates for principal, interest and balance. Print or save as PDF. Ctrl+P
Quick answer.
Loan repayment schedule: Loan 3,000,000 baht 6.5% 30 Years Loan approximately 18,962 baht/month
This is an example of a 360 interest-reduced loan, with total interest approximately 3,826,335 baht and total payments approximately 6,826,335 baht The table below breaks down principal, interest and balance for each instalment to check the offer of a home loan, car loan or personal loan.
Calculate immediately
Summary of the payment schedule
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💡 Print Table: Press Ctrl+P or Cmd+P And then choose "Save as PDF"
Payment Schedule
| Instalment | Date | - You're a witch. | The principal. | interest | The balance. |
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Show all events — scrollable or typeable with Ctrl+P
How to read a loan repayment schedule
The Amortization Schedule shows the details of each payment for the duration of the loan. It consists of 6 main columns:
- Installment: The order of the lottery from 1 to the last one.
- Date: The due date of each instalment.
- BODY WORKS: Total monthly payment (fixed for the duration of the contract)
- & Fund: The portion of the instalment that is depreciated (increasing over time)
- Interest: Interest portion of the instalment (decreasing over time)
- Balance: The principal outstanding after that instalment.
The benefits of a repayment schedule
- Accurate long-term financial planning.
- Know the early closure balance (the balance at the desired period)
- Compare the effect of the additional repayment on the total interest.
- Check the bank statement.
- You're using it to file for a bank loan or a home interest tax.
Calculations
Use the PMT formula for capital and interest decrease: Capital = P × [r(1+r)ⁿ] ÷ [(1+r)ⁿ − 1] where P = capital, r = interest rate per month, n = number of instalments. Interest per instalment = balance before instalment × r capital decrease = capital − interest for that instalment.
Frequently asked questions
What is an amortization schedule?
Why do the first installments pay more interest than the principal?
How do I print a payment schedule?
1,000 baht per month, how much interest?
Official reference source
- Bank of Thailand (bot. or. th) - Interest rates and credit.
- Consumer Credit Rights — Bank of Thailand
English calculator guide
How to use the Loan Installment Schedule Calculator
Use this page to test a specific loan installment schedule scenario. Enter your own values in the calculator above, review the units beside each field, and recalculate after changing an assumption. The result updates the loan installment schedule estimate instead of relying on a generic example.
- Build a baseline loan installment schedule case with figures that match your situation.
- Run a second loan installment schedule case after changing the rate, period, quantity or other key assumption.
- Record the difference between the two loan installment schedule results and the input responsible for it.
Inputs for the loan installment schedule estimate
For this loan installment schedule calculation, check the quantities, rates, period, units and other assumptions requested on the page. The result is designed to show a loan and interest estimate for your scenario, not a guaranteed provider price or official decision.
How the loan installment schedule result is calculated
The calculator models principal, interest, repayment timing and term using the assumptions shown on the page. Reusing the same loan installment schedule inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.
Checks for a loan installment schedule decision
Confirm any current rate, threshold or provider rule that could change the final amount. For loan installment schedule, Use the result to compare affordability, not as a lending offer. Check the lender’s effective rate, fees, insurance, payment schedule and approval conditions before committing. Check the important inputs and any current provider or authority rules before using the result for a decision.
- Language QA
- Terminology, numeric values and calculator controls checked
- Calculator scope
- Loan and interest
- Last English review
- 26 July 2026