Adjusted Cost Base calculator   for Canadians No. of Units Cost per Unit $ Type of Transaction BUY SELL Total Cost of Units Held = $ Total Units Held =   ACB = $ ACB per Unit = $ Gain or Loss (for this sale) = $ Click here to start this calculator again. Click here to get a calculator with explanations. Click here to get a tutorial on the Adjusted Cost Base. Notes: Cost per Unit includes any commissions or brokerage fees paid to purchase the Units. No. of Units purchased includes reinvested dividends or distributions. After a Sale, the Capital Gain (or Loss) is calculated as follows: Start with the amount received (after deducting any transaction costs). Then subtract the (Number of Units Sold)*(previous ACB per unit).