Capital Gains Calculator

Capital Gains Calculator

Calculate investment gain before tax from proceeds and cost basis.

ทำความเข้าใจคำตอบ

คำนวณอย่างไร?

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

Capital Gains formulaCapital gain = sale proceeds − adjusted cost basis

ตัวอย่างที่ใช้ได้จริง

Using the default example values, the calculator substitutes 25,000 and 18,000 into the formula. Change the values to model your own scenario.

ผลลัพธ์ที่คำนวณได้

Sale proceedsCost basisคำตอบที่คำนวณ
$20,000.00$18,000.00$2,000.00
$25,000.00$18,000.00$7,000.00
$30,000.00$18,000.00$12,000.00

สมมติฐาน การตีความ และข้อผิดพลาดที่พบบ่อย

สมมติฐานการคำนวณ

  • The values entered for sale proceeds and cost basis 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 investment 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.