Power of Interest

How to Create an Amortization Schedule in Less Than 2 Minutes

🛠️ What You’ll Need:

  • Excel or Google Sheets

  • These 4 details:

    • Loan amount

    • Interest rate

    • Loan term (in months or years)

    • Start date (optional)

⏱️ Step-by-Step in Under 2 Minutes:

🔹 Step 1: Open Excel or Google Sheets

🔹 Step 2: In a blank sheet, set up these column headers:

A B C D E
Payment # Payment Date Payment Interest Principal
F
Balance

🔹 Step 3: Use These Formulas

Let’s say:

  • Loan Amount = $10,000

  • Interest Rate = 6% annually

  • Loan Term = 12 months

  • Monthly Rate = 6%/12 = 0.5% → use 0.005 in formulas

  1. Monthly Payment (use this formula in a cell):

    =PMT(0.005, 12, -10000)
  2. Fill down each row:

    • Payment number: Start from 1

    • Payment date: Use =EDATE(start_date, payment_number-1)

    • Interest: =previous_balance * 0.005

    • Principal: =monthly_payment - interest

    • New balance: =previous_balance - principal

🎉 Done!

You now have a full amortization schedule showing:

  • How each payment is split

  • How interest shrinks over time

  • How principal grows

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