Expert guidance, powerful tools, and real-time updates for individuals and small businesses
Access comprehensive guides and downloadable PDFs for all major US tax forms
Standard form for filing individual federal income tax returns
Simplified tax return for taxpayers age 65 and older
Report itemized deductions including medical, taxes, interest, and charitable contributions
Report income or loss from a business you operated or profession you practiced
Report sales and exchanges of capital assets including stocks and bonds
Report rental real estate, royalties, partnerships, S corporations, estates, trusts
Correct errors or make changes to a previously filed tax return
Reports wages paid and taxes withheld by employers
Free, accurate calculators to help you estimate taxes, maximize deductions, and plan ahead
Calculate your federal income tax liability based on your income, filing status, and deductions
Discover all eligible tax deductions for your situation
Estimate your tax refund or amount owed
Compare employee and contractor tax implications
Calculate self-employment tax for freelancers and contractors
Estimate taxes on investment sales and capital gains
Calculate estimated quarterly tax payments
Determine correct W-4 withholding allowances
Calculate optimal IRA and 401(k) contributions
Compare state tax burdens across all 50 states
Access state-specific tax forms and resources for all 50 states, integrated with federal returns
California Resident Income Tax Return
Nonresident or Part-Year Resident Income Tax Return
State tax returns are typically filed alongside federal returns. Most states use your federal adjusted gross income (AGI) as a starting point. Make sure to complete your federal Form 1040 before filing your state return.
Complete coverage of tax forms and resources for every US state and territory
Download forms directly from official state revenue department websites
Links point to current year forms maintained by state tax authorities
Expert guides and updates to help you navigate tax season with confidence
Maximize your tax refund by understanding all available deductions on Form 1040. Learn about standard vs itemized deductions, above-the-line deductions, and common mistakes to avoid when filing your individual income tax return.
Navigate the complexities of reporting business profit and loss. Discover which expenses are deductible, how to calculate net profit, and tips for maximizing your business deductions while staying compliant with IRS regulations.
Learn how to report capital gains and losses from investments. Understand short-term vs long-term rates, wash sale rules, and strategies to minimize your tax liability on stock sales and cryptocurrency transactions.
Confused about which 1099 form you received? We break down the differences between 1099-NEC for independent contractor payments and 1099-MISC for other income types, plus filing requirements for both.
Discover the tax advantages of S-Corporation status. Learn about pass-through taxation, reasonable compensation requirements, and how to properly file Form 1120-S to optimize your small business tax strategy.
Master partnership tax reporting with our comprehensive guide. Understand how Form 1065 works, what Schedule K-1 means for partners, and how to properly allocate income, deductions, and credits among partners.
Maximize your homeowner tax benefits by understanding Form 1098. Learn which mortgage interest is deductible, points and PMI rules, and how to claim this valuable deduction on Schedule A of your tax return.
Made a mistake on your tax return? Learn how to file an amended return using Form 1040-X. Discover when amendments are necessary, the three-year window, and how to track your amended return status with the IRS.
Compare state tax burdens across three major states. Analyze California Form 540, New York IT-201, and Texas no-income-tax advantage. Understand how state taxes impact your overall tax liability and financial planning.
Employers offering retirement plans must understand Form 5500 compliance. Learn about annual reporting requirements, deadlines, penalties for non-filing, and how to properly report employee benefit plan information to the DOL and IRS.
Received an incorrect W-2? Learn how to identify common errors, contact your employer for corrections, and what to do if your employer refuses to issue a corrected W-2. Understand Form W-2c and IRS procedures for wage discrepancies.
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