Loan Affordability Calculator

Loan Affordability Calculator

Estimate principal supported by a monthly payment, rate and term.

ทำความเข้าใจคำตอบ

คำนวณอย่างไร?

This calculator applies the displayed loan formula directly to your inputs. It keeps full precision during the calculation and rounds only the displayed result.

Loan Affordability formulaPrincipal = payment × ((1+r)ⁿ−1) ÷ (r(1+r)ⁿ)

ตัวอย่างที่ใช้ได้จริง

Using the default example values, the calculator substitutes 600 and 8 plus 5 into the formula. Change the values to model your own scenario.

ผลลัพธ์ที่คำนวณได้

Affordable monthly paymentอัตราดอกเบี้ยรายปีคำตอบที่คำนวณ
$480.008%$23,672.85
$600.008%$29,591.06
$720.008%$35,509.27

สมมติฐาน การตีความ และข้อผิดพลาดที่พบบ่อย

สมมติฐานการคำนวณ

  • The values entered for affordable monthly payment and annual interest rate are accurate for the scenario.
  • Rates and recurring amounts remain constant for the period represented by the formula.
  • Provider fees, taxes and timing differences are excluded unless they are explicit inputs.

วิธีตีความผลลัพธ์

  • Treat the main number as a planning estimate, not a quote, approval or guarantee.
  • Compare at least a baseline, lower and higher assumption before deciding.
  • Use the result together with the related loan calculators for a broader view.

ข้อผิดพลาดที่พบบ่อยซึ่งควรหลีกเลี่ยง

  • Entering a percentage as a decimal when the field expects a whole percent.
  • Comparing results that use different time periods or omit different fees.
  • Rounding inputs early or treating an estimated rate as guaranteed.