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Calcimator

Tax-Loss Harvesting Calculator

Estimate tax savings from selling losing investments. See how realized losses offset capital gains and ordinary income, with wash sale rule awareness.

Inputs

$
%
$
%
%

Results

Total Tax Savings

$1,870.00

≈ 14 pairs of sneakers

Federal Tax Savings$1,470.00
State Tax Savings$400.00
Net Benefit (Wash Sale Adjusted)$1,870.00
Effective Savings Rate18.7%
Max Useful Harvest Amount$8,000.00
Carryforward Loss$2,000.00
How to Use This Calculator
  1. Enter the total investment loss you're considering harvesting.
  2. Input your federal income tax bracket and capital gains tax rate.
  3. Add capital gains you have to offset and your state income tax rate.
  4. Toggle the wash-sale risk flag if you plan to repurchase the same or substantially identical security within 30 days.
  5. Review Total Tax Savings, Net Benefit, and Carryforward Loss to determine whether harvesting is worth executing this year.

What each input means

Investment Loss Amount
Total unrealized losses you could harvest by selling.
Federal Tax Bracket
Your federal marginal income tax bracket.
Capital Gains to Offset
Realized capital gains you want to offset this year.
Capital Gains Tax Rate
Long-term capital gains tax rate (0%, 15%, or 20%).
State Income Tax Rate
Your state income tax rate (0% in some states).
Wash Sale Risk
Toggle on if you plan to repurchase substantially identical securities within 30 days.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Investment Loss Amount = 10000, Federal Tax Bracket = 24, Capital Gains to Offset = 5000, Capital Gains Tax Rate = 15 = 6 input(s) provided
  2. Calculate Total Tax Savings
    Total Tax Savings
    1870 = $1,870
  3. Calculate Federal Tax Savings
    Federal Tax Savings
    1470 = $1,470
  4. Calculate State Tax Savings
    State Tax Savings
    400 = $400

Engine last updated . Checked against 1 independently-derived test — how we verify calculators.

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