Capital Gains Tax Calculator

Calculate capital gains tax from buy and sell prices, shares and holding period — see gain, tax and net.

Capital Gains Tax Calculator

Calculate capital gains tax from buy and sell prices, shares and holding period — see gain, tax and net.

Buy price per share($)

Sell price per share($)

Holding period

Tax rate(%)

Enter values above and click Calculate — results will appear here with the formula explained.

Gain = (sell-buy)*shares; Tax = gain*rate if gain>0; Net = gain - tax

How does this work?

Capital gain is sell minus buy times shares. Short-term taxed as income (22-37%), long-term 0/15/20% based on income. This uses rate you enter.

This is estimate, not tax advice. State tax adds 0-13% extra. Wash sale rules may defer losses.

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Disclaimer: Results are estimates for informational purposes only and do not constitute professional financial advice.

Quick Answer

Capital Gains Tax Calculator computes calculate capital gains tax from buy and sell prices, shares and holding period — see gain, tax and net. Formula: Gain = (sell-buy)*shares. Example: Buy 100 at $50, sell at $80: gain $3,000.

How to Use This Calculator

1Enter buy and sell price, shares, holding period and tax rate.
2Calculate to see gain, tax and net.
3Hold over 1 year for lower long-term rate.

Formula Used

Gain = (sell-buy)*shares; Tax = gain*rate if gain>0; Net = gain - tax

Capital gain is sell minus buy times shares. Short-term taxed as income (22-37%), long-term 0/15/20% based on income. This uses rate you enter.

This is estimate, not tax advice. State tax adds 0-13% extra. Wash sale rules may defer losses.

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Worked Example

Buy 100 at $50, sell at $80: gain $3,000. Long-term at 15%: tax $450, net $2,550.

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Frequently Asked Questions

QShort vs long?

Short <1 year as income, long ≥1 year at 0/15/20%. Long saves tax.

QState?

Add state 0-13% to rate for total.

QLoss?

Loss offsets gains, up to $3k per year vs income. Carry forward.

Formula Used

Gain = (sell-buy)*shares; Tax = gain*rate if gain>0; Net = gain - tax

Capital gain is sell minus buy times shares. Short-term taxed as income (22-37%), long-term 0/15/20% based on income. This uses rate you enter.

This is estimate, not tax advice. State tax adds 0-13% extra. Wash sale rules may defer losses.