Calculate investment gain before tax from proceeds and cost basis.
TAHURA INYISHU
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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
Akarorero ngirakamaro
Using the default example values, the calculator substitutes 25,000 and 18,000 into the formula. Change the values to model your own scenario.
Inyishu yabazwe
Sale proceeds
Cost basis
Inyishu yabazwe
$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
Ivyiyumviro, insiguro n'amakosa akunze gukorwa
Ivyo ibiharuro bishingirako
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.
Uko wotahura inyishu
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.
Amakosa akunze gukorwa ukwiye kwirinda
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.