Finance

Capital Gains Calculator

Estimate capital gains or losses with fees, holding periods, and tax rates. Model single trades or multiple lots using FIFO, LIFO, or Average Cost, and export results to CSV.

Net Gain/Loss Holding Period FIFO/LIFO Tax Estimate

Gain/Loss, Cost Basis & Tax Estimator

Calculate net proceeds, cost basis, capital gain/loss, holding period classification, and estimated tax impact. Includes lot methods and exports.

Edit lot rows below, then click Calculate Lots. Enter quantity, buy price, buy date, and optional buy fees per lot.
Lot # Buy Date Quantity Buy Price Buy Fees