Calculator Comparison

Capital Gains Calculator (Investment & Retirement – Capital Gains) vs Capital Gains Tax Calculator (Investment & Retirement – Capital Gains Tax)

Not sure which calculator to use? Here's a side-by-side comparison of the Capital Gains Calculator and Capital Gains Tax Calculator to help you pick the right one for your needs.

Capital Gains Calculator

Investment & Retirement

Calculate your capital gains tax liability on investment profits, distinguishing between short-term and long-term holding periods.

What you enter

Purchase Price (Cost Basis)
Sale Price
Holding Period
Annual Taxable Income
Filing Status

What you get

Capital Gain(primary)
Tax Rate
Estimated Tax Owed
After-Tax Profit

Use Capital Gains Calculator

Capital Gains Tax Calculator

Investment & Retirement

Estimate the capital gains tax on your investment sales. Enter your purchase price, sale price, and holding period to see your tax liability for both short-term and long-term gains.

What you enter

Purchase Price (Cost Basis)
Sale Price
Holding Period
Annual Taxable Income
Filing Status

What you get

Estimated Capital Gains Tax(primary)
Capital Gain
Effective Tax Rate on Gain
After-Tax Proceeds

Includes visual pie chart breakdown

Use Capital Gains Tax Calculator

Key Differences

Feature	Capital Gains Calculator	Capital Gains Tax Calculator
Category	Investment & Retirement	Investment & Retirement
Inputs	5 required fields	5 required fields
Outputs	4 results	4 results
Chart	No chart	pie chart
FAQs	3 answered	3 answered

Input Comparison

Shared Inputs

Purchase Price (Cost Basis)
Sale Price
Holding Period
Annual Taxable Income
Filing Status

Which Calculator Should You Use?

Use the Capital Gains Calculator if you need to:

Calculate capital gain
When you know your purchase price (cost basis) and sale price

Use the Capital Gains Tax Calculator if you need to:

Calculate estimated capital gains tax
When you know your purchase price (cost basis) and sale price
Want a visual pie chart breakdown

Frequently Asked Questions

What is the long-term capital gains tax rate?

For 2026, long-term capital gains rates are 0% for lower incomes, 15% for most taxpayers, and 20% for high earners. High-income taxpayers may also owe a 3.8% Net Investment Income Tax.

How can I reduce capital gains tax?

Hold investments for over 1 year for lower rates, use tax-loss harvesting to offset gains, maximize tax-advantaged accounts (401k, IRA), and consider the timing of sales across tax years.

What are long-term vs short-term capital gains tax rates?

Long-term gains (held > 1 year) are taxed at 0%, 15%, or 20% depending on your income. Short-term gains (held ≤ 1 year) are taxed as ordinary income at your marginal rate, which can be up to 37%. Holding investments for over a year can save significant taxes.

How can I reduce my capital gains tax?

Strategies include holding for over one year, tax-loss harvesting, investing in tax-advantaged accounts (IRA, 401k), using the primary residence exclusion ($250k/$500k), and timing sales in low-income years. Charitable donations of appreciated assets avoid capital gains entirely.

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Bottom Line

Choose the Capital Gains Calculator if you need to calculate capital gain. Use the Capital Gains Tax Calculator if you need to calculate estimated capital gains tax. Both calculators are free and require no sign-up.

Use Capital Gains Calculator Use Capital Gains Tax Calculator

Feature

Capital Gains Calculator

Capital Gains Tax Calculator

Use the Capital Gains Calculator if you need to:

Calculate capital gain
When you know your purchase price (cost basis) and sale price

Use the Capital Gains Tax Calculator if you need to:

Calculate estimated capital gains tax
When you know your purchase price (cost basis) and sale price
Want a visual pie chart breakdown

Frequently Asked Questions

What is the long-term capital gains tax rate?

For 2026, long-term capital gains rates are 0% for lower incomes, 15% for most taxpayers, and 20% for high earners. High-income taxpayers may also owe a 3.8% Net Investment Income Tax.

How can I reduce capital gains tax?

Hold investments for over 1 year for lower rates, use tax-loss harvesting to offset gains, maximize tax-advantaged accounts (401k, IRA), and consider the timing of sales across tax years.

What are long-term vs short-term capital gains tax rates?

How can I reduce my capital gains tax?