Calculator Comparison

Capital Gains Calculator vs Income Tax Calculator

Not sure which calculator to use? Here's a side-by-side comparison of the Capital Gains Calculator and Income 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

Income Tax Calculator

Tax

Estimate your federal income tax liability based on your income, filing status, deductions, and credits for the current tax year.

What you enter

Filing Status
Gross Annual Income
Total Deductions
Number of Dependents

What you get

Estimated Federal Tax(primary)
Effective Tax Rate
Marginal Tax Rate
After-Tax Income

Includes visual bar chart breakdown

Use Income Tax Calculator

Key Differences

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

Input Comparison

Shared Inputs

Filing Status

Only in Capital Gains Calculator

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

Only in Income Tax Calculator

Gross Annual Income
Total Deductions
Itemized Deduction Amount
Number of Dependents

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 Income Tax Calculator if you need to:

Calculate estimated federal tax
When you know your filing status and gross annual income
Want a visual bar 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 is the standard deduction for 2026?

For 2026, the standard deduction is approximately $15,000 for single filers, $30,000 for married filing jointly, and $22,500 for head of household. These amounts are adjusted annually for inflation.

What is the difference between marginal and effective tax rate?

Your marginal rate is the tax rate on your last dollar of income (your highest bracket). Your effective rate is the average rate across all income, which is always lower than the marginal rate.

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Bottom Line

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

Use Capital Gains Calculator Use Income Tax Calculator

Feature

Capital Gains Calculator

Income Tax Calculator