Capital Gains Tax Calculator

Estimate capital gains taxes (short/long term), state tax, carryover loss, and NIIT.

Capital Gains Tax Calculator

Estimate short- and long-term capital gains taxes with carryover, NIIT, and state tax.

Calculate

Estimate federal and state capital gains tax with NIIT and carryover losses.

Tax settings

Tax year

Filing status

Ordinary taxable income

State tax rate (%)

Prior year loss carryover

Investments

Asset #1

Buy price

Sell price

Fees

Buy date

Sell date

Short term (<=1 year)

Total portfolio P&L

$2,000

Total tax owed

$540

Net after tax

$1,460

Tax summary

Short-term taxed as ordinary income; long-term at preferential rates.

Net short-term gain/loss

$2,000

Net long-term gain/loss

Carryover applied

Federal tax

$440

NIIT (3.8%)

State tax rate (%)

$100

Effective rate

27.0%

Asset breakdown

Asset	Term	Gain/Loss
Asset #1	ST	$2,000

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