Tax Loss Harvesting Calculator (USA)

Calculate your tax savings using the formula: Tax Savings = Losses * Tax Rate

How Tax Loss Harvesting Works

Calculate your tax savings by offsetting capital gains with capital losses:

\[\text{Tax Savings} = \text{Losses} \times \text{Tax Rate}\]
  • Formula: Tax Savings = Losses * Tax Rate
  • USA Specifics: Offset gains first, then up to $3,000 in ordinary income
  • Key Components: Losses, Tax Rate, Tax Savings

Tax Loss Harvesting Calculator

Capital Losses

$15,000.00

+0.0%

Tax Rate

22.0%

+0.0%

Gains to Offset

$12,000.00

+0.0%

Tax Savings

$3,300.00

+0.0%

Status: Loss Harvesting Active

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Tax Loss Harvesting Breakdown

Harvesting Calculation
Losses: $15,000 Savings: $3,300
Component Amount Description
Capital Losses $15,000.00 Total capital losses available
Capital Gains $12,000.00 Total capital gains to offset
Remaining Losses $3,000.00 Losses after offsetting gains
Tax Rate 22.0% Effective tax rate
Tax Savings $3,300.00 Estimated tax savings

Harvesting Analysis

Capital Losses $15,000.00
Capital Gains $12,000.00
Tax Rate 22.0%
Tax Savings $3,300.00

Analysis & Recommendations

Your tax savings from loss harvesting is $3,300.00.

  • Offset gains first with losses to minimize capital gains tax
  • Apply remaining losses against ordinary income up to $3,000
  • Carry forward excess losses to future years
  • Consider wash sale rules when repurchasing securities

Understanding Tax Loss Harvesting

Tax Loss Harvesting Explained

Tax savings are calculated using the formula: Tax Savings = Losses * Tax Rate. This represents the tax benefit of offsetting capital gains with capital losses.

Harvesting Calculation Method

The formula Tax Savings = Losses * Tax Rate calculates the immediate tax savings from harvesting losses. The actual savings depend on your tax rate and the amount of gains available to offset.

Important Rules
  • Offset capital gains first with capital losses
  • Apply up to $3,000 of excess losses against ordinary income
  • Carry forward unlimited losses to future tax years
  • Wash sale rule: Cannot repurchase identical security within 30 days
  • Consider holding periods for short-term vs long-term gains
Tip: Long-term capital losses offset long-term capital gains first, then short-term gains, then up to $3,000 of ordinary income.
Tip: Consider buying a similar but not identical investment to maintain market exposure while avoiding wash sale rules.
Tip: Tax-loss harvesting is most beneficial in taxable accounts, not tax-advantaged accounts like 401(k) or IRA.

Tax Loss Harvesting Knowledge Check

Question 1: Basic Calculation

If you have $10,000 in capital losses and your tax rate is 15%, what are your tax savings?

Solution:

Using the formula: Tax Savings = Losses * Tax Rate
Tax Savings = $10,000 * 0.15 = $1,500

Pedagogy:

This question tests understanding of the basic tax loss harvesting formula. Remember to convert the percentage to decimal form when multiplying.

Question 2: Annual Limit

What is the maximum amount of capital losses that can be used to offset ordinary income per year?

Solution:

Answer c is correct. You can use up to $3,000 of excess capital losses to offset ordinary income per year.

Pedagogy:

This question assesses knowledge of the annual limitation on capital losses that can be applied to ordinary income.

Question 3: Wash Sale Rule

What is the wash sale rule regarding repurchasing the same security after selling it for a loss?

Solution:

Answer b is correct. The wash sale rule prevents repurchasing the same or substantially identical security within 30 days before or after the sale.

Pedagogy:

This question tests knowledge of the wash sale rule, which is critical to avoid disallowed losses.

Question 4: Carryforward Rules

What happens to capital losses that exceed the annual $3,000 limit?

Solution:

Excess capital losses can be carried forward indefinitely to offset future capital gains and up to $3,000 of ordinary income per year.

Pedagogy:

This question addresses the important carryforward rules that allow investors to benefit from large losses over multiple years.

Question 5: Real-World Application

An investor has $25,000 in capital losses and $18,000 in capital gains. If their tax rate is 20%, what are their immediate tax savings?

Solution:

First, offset $18,000 in gains: $18,000 * 0.20 = $3,600
Then, apply $3,000 of remaining losses to ordinary income: $3,000 * 0.20 = $600
Total savings: $3,600 + $600 = $4,200

Pedagogy:

This question applies the concept to a real-world scenario with both gains and losses, demonstrating the multi-step process.

Q&A

Q: What is the wash sale rule and how does it affect tax loss harvesting?

A: The wash sale rule is a critical consideration for tax loss harvesting:

Wash Sale Rule:

  • Disallows the loss if you buy the same or substantially identical security within 30 days before or after the sale
  • Loss is added to the cost basis of the repurchased security
  • Defers the tax benefit until the replacement security is sold

Workarounds:

  • Buy a similar but not identical investment
  • Wait 31 days before repurchasing
  • Use inverse ETFs during the waiting period

Importance: Violating this rule can eliminate the intended tax benefit of harvesting losses.

Q: How do I prioritize which investments to sell for tax loss harvesting?

A: Prioritize tax loss harvesting based on these factors:

Harvesting Priority:

  • High losses: Sell positions with the largest unrealized losses first
  • Low gains: Harvest losses to offset high-gain positions
  • Holding period: Consider whether short-term or long-term losses are more beneficial

Considerations:

  • Asset allocation: Don't disrupt your desired portfolio mix
  • Expected recovery: Consider whether the security will recover quickly
  • Correlation: Be aware of correlations between similar investments

Strategy: Focus on positions that have declined significantly and aren't core holdings you want to maintain.

Q: Can I harvest losses in retirement accounts like 401(k) or IRA?

A: No, tax loss harvesting is not beneficial in tax-advantaged accounts:

Why It Doesn't Work:

  • 401(k) and Traditional IRA: No tax on gains or losses until withdrawal
  • Roth IRA: No tax on gains or qualified withdrawals
  • No tax benefit: Cannot offset gains in other accounts

Accounts Where It Works:

  • Taxable brokerage accounts: Primary location for harvesting
  • Taxable investment accounts: Any account with tax consequences

Strategy: Focus harvesting efforts on taxable accounts, not retirement accounts.

About

TaxSim Pro Team
This tax loss harvesting calculator was created with an Calculators and may make errors. Consider checking important information. Updated: April 2026.