Create Custom Auto Loan Amortization Schedule with Extra Payments in Excel

An auto loan amortization schedule is a critical financial tool that helps borrowers understand how their loan balance decreases over time. It breaks down the periodic payments into interest and principal components, providing insight into the loan's progress towards payoff. When you include extra payments, the amortization schedule shifts, accelerating your debt repayment and potentially saving you thousands in interest.

Loan Amortization Schedule for Excel
Loan Amortization Schedule for Excel

Excel is an ideal platform to create an auto loan amortization schedule with extra payments. Its flexible functions and user-friendly interface allow you to customize the schedule according to your payment and repayment plans. Here's a comprehensive guide to help you create your auto loan amortization schedule with extra payments in Excel.

Create a loan amortization schedule in Excel (with extra payments)
Create a loan amortization schedule in Excel (with extra payments)

Setting Up Your Excel Worksheet

The first step is to set up your Excel worksheet to accommodate the amortization schedule. You'll need columns for the payment period, total interest paid, principal paid, interest rate, repayment term, loan amount, and extra payments (if applicable).

an invoice form is shown with the numbers and dates for each item on it
an invoice form is shown with the numbers and dates for each item on it

For instance, you might organize your columns as follows:

  • Column A: Payment Period
  • Column B: Total Interest Paid
  • Column C: Principal Paid
  • Column D: Interest Rate
  • Column E: Repayment Term
  • Column F: Loan Amount
  • Column G: Extra Payments
Loan Amortization Schedule in Excel
Loan Amortization Schedule in Excel

Calculating the Monthly Payment

To calculate the monthly payment, use the Excel function =PMT Τη,pite, rete,intre, Doug,oug, mure). Here, 'Tη' is the total monthly payment, 'pite' is the periodic interest rate, 'Dcoug' is the present value of the loan amount, 'intre' is the interest rate, 'doug' is the loan amount, and 'mure' is the repayment term.

For example, if your interest rate is 5%, repayment term is 60 months, and loan amount is $20,000, your monthly payment would be

Loan Amortization with Extra Principal Payments Using Excel
Loan Amortization with Extra Principal Payments Using Excel

=pmt((.05/12),60,($20000*1.96))...

Amortizing the Loan

Next, you'll need to calculate the interest and principal components of each payment. In column B, use the formula =B1*(1+(fficient Rate/Daily Period)) - A2*(Efficient Rate/Daily Period) to calculate the total interest paid each period. In column C, use the formula =A2 - B2 to calculate the principal paid each period.

To calculate the loan balance after each payment, use the formula =D2+C2 in a new column. Here, 'D2' is the loan balance and 'C2' is the principal paid each period.

Get the Loan Amortization Schedule Template for Google Sheets
Get the Loan Amortization Schedule Template for Google Sheets

Incorporating Extra Payments

Extra payments can significantly accelerate your loan payoff. To include them in your amortization schedule, add a new row for each additional payment. In the 'Extra Payments' column, enter the amount of the extra payment.

Learn Excel IF and Then Formula - 5 Tricks you didnt know
Learn Excel IF and Then Formula - 5 Tricks you didnt know
How to Create an Amortization Schedule Using Excel Templates
How to Create an Amortization Schedule Using Excel Templates
a printable loan sheet with the amount and date for each student's savings
a printable loan sheet with the amount and date for each student's savings
Tableau D'amortissement Du Prêt
Tableau D'amortissement Du Prêt
Modèle de suivi des paiements de voiture avec paiement supplémentaire | Modèle Excel 365 et Google Sheets| Plan d'amortissement du prêt automobile | Suivi des paiements du véhicule
Modèle de suivi des paiements de voiture avec paiement supplémentaire | Modèle Excel 365 et Google Sheets| Plan d'amortissement du prêt automobile | Suivi des paiements du véhicule
Tableur d'amortissement de prêt, outil de suivi des versements hypothécaires et de voiture, feuilles Excel et google, calculatrice boule de neige pour endettement, téléchargement immédiat
Tableur d'amortissement de prêt, outil de suivi des versements hypothécaires et de voiture, feuilles Excel et google, calculatrice boule de neige pour endettement, téléchargement immédiat
Calendrier d'amortissement du prêt au format Excel avec impact supplémentaire sur les paiements (téléchargement numérique)
Calendrier d'amortissement du prêt au format Excel avec impact supplémentaire sur les paiements (téléchargement numérique)
Tableaux d'amortissement du prêt Excel et Google Sheets | Suivi des versements pour prêt automobile | Paiements supplémentaires | Modèle de calculateur d'économies d'intérêts
Tableaux d'amortissement du prêt Excel et Google Sheets | Suivi des versements pour prêt automobile | Paiements supplémentaires | Modèle de calculateur d'économies d'intérêts
Amortization Schedule with Irregular Payments in Excel (3 Cases) - ExcelDemy
Amortization Schedule with Irregular Payments in Excel (3 Cases) - ExcelDemy

Recalculate the loan balance after each extra payment. To do this, use the formula =F2-G2 in the 'Loan Balance' column. Here, 'F2' is the loan balance and 'G2' is the extra payment.

Accelerated Payoff Example

Suppose you have a $20,000 auto loan at a 5% interest rate with a 60-month repayment term. Your monthly payment is $381.61. If you make an extra $100 payment each month, your loan will be paid off in 49 months instead of 60, saving you $2,637 in interest.

Using Excel to create an auto loan amortization schedule with extra payments offers a clear snapshot of your loan's progress and how extra payments impact your debt repayment. It's a powerful tool for calculating payoff dates and interest savings, helping you make informed decisions about your auto loan and financial future.