Tax Calculators Hub (2026)
Complete collection of free tax calculators: crypto tax reporting, IRS penalties, 401k contributions, capital gains, and tax loss harvesting.
Crypto & Digital Assets
Cryptocurrency tax reporting and optimization tools
IRS Penalties & Compliance
IRS penalty and compliance calculation tools
Retirement & Contributions
401k, IRA, HSA, and retirement tax tools
Investment & Capital Gains
Capital gains, dividends, and investment tax tools
FAQ
What tax calculators do I need for crypto?
Use crypto-tax-calculator for capital gains, crypto-tax-reporting-calculator for Form 8949 and mining/staking income, and crypto-loss-harvesting-calculator to reduce taxes through strategic loss harvesting.
How do I calculate IRS penalties?
Use irs-interest-penalty-calculator for late payment penalties, tax-underpayment-penalty-calculator for Form 2210, and penalty-abatement-calculator to check if you qualify for first-time abatement or reasonable cause relief.
What are the 2026 401k contribution limits?
2026 401k employee contribution limit is $23,000 (plus $7,500 catch-up for age 50+). Use 401k-calculator to project growth and HSA-contribution-calculator for health savings limits.
How do I minimize capital gains tax?
Use tax-loss-harvesting-optimizer-calculator to offset gains with losses, capital-gains-tax-calculator for rate comparison, and dividend-tax-calculator for qualified dividend tax treatment.
Last updated: 2026-04-23. All calculators are for planning purposes. Consult a tax professional for specific advice.