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Personal · Cost

True Cost of a Purchase

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Use this to see what a financed personal purchase actually costs once tax, fees, and interest are included.

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Interactive workbench

Financed purchase total

Price+Tax+Fees+Total Interest

$2,000 + $150 + $150 fees was actually $2,500 with interest.

Step 1 of 5

Variables and units

  • Price

    Sticker price before tax and fees.

    currency

  • Sales Tax

    Total sales tax.

    currency

  • Fees

    Documentation, delivery, or other fees.

    currency

  • Total Interest

    Total financing interest over the loan.

    currency

Common mistakes

  • Comparing only sticker prices.
  • Forgetting financing interest.

Step-by-step example

Financed purchase total

  1. 1. Start with the example inputs

    • Price$2,000
    • Sales Tax$150
    • Fees$100
    • Total Interest$250

  2. 2. Apply the formula

    Price+Tax+Fees+Total Interest

  3. 3. Run the numbers

    $2,500.00

    $2,000 + $150 + $150 fees was actually $2,500 with interest.

What this result means

$2,500.00 is what this purchase actually costs once sales tax, fees, and financing interest are included — not the sticker price. The gap between the two is the price of paying over time; comparing true costs across financing offers shows what the convenience really adds.