Is this tool private?

Yes. All processing happens locally in your browser. No data is uploaded.

What extras does this tool have?

Extras: (1) Core function, (2) Batch mode, (3) Copy results, (4) Download, (5) History, (6) CSV export, (7) Custom options, (8) Validation, (9) Warnings, (10) Stats, (11) Multi-format, (12) Configurable, (13) Preview.

Calculators Runs in your browser

Capital Gains Calculator

Calculate capital gains tax with short/long-term rates and exemptions. 100% private. 100% private.

100% Private Works Offline Instant

Purchase price ($)

Sale price ($)

Purchase date

Sale date

Improvements ($)

Selling costs ($)

Depreciation recapture ($)

Taxable income (excl. gains, $)

Filing status

Asset type

State (e.g. CA, NY, TX)

Capital gains breakdown

Holding period

long-term

Gross gain

$19,500

Exclusion

−$0

Taxable gain

$19,500

Federal tax

$2,925

NIIT (3.8%)

State (CA)

$2,594

Net proceeds

$26,575

Effective rate: 15%

Long-term (held >1 year) — qualifies for lower LT rates.
Cost basis: $10500 (purchase + improvements + selling costs)

Tax-loss harvesting

Capital losses to harvest ($)

Net gain: $19,500

Deductible this year: $0

Carryover: $0

100% private — runs locally. 2024 US federal brackets; consult a CPA for filing.

Calculate capital gains tax with short/long-term rates and exemptions. 100% private. 100% private. Everything runs locally in your browser — your data never leaves your device.

How to use

Enter your input in the tool above.
Adjust any options to your preference.
Use the Copy or Download buttons to save the result.
Everything happens locally — your data never leaves your browser.

All tools