1099 Tax Calculator 2026

Calculate your estimated taxes as a freelancer, independent contractor, or gig worker. Includes self-employment tax (15.3%), federal income tax, and quarterly payment schedule.

📋 1099 Income Tax Calculator

Total Estimated Tax$0Effective Rate: 0%
Net Self-Employment Income$0
Self-Employment Tax (15.3%)$0
Federal Income Tax$0
Quarterly Payment (each)$0

Quarterly Estimated Payment Deadlines 2026

QuarterPeriodDue Date
Q1Jan 1 - Mar 31April 15, 2026
Q2Apr 1 - May 31June 15, 2026
Q3Jun 1 - Aug 31September 15, 2026
Q4Sep 1 - Dec 31January 15, 2027

⚠️ Underpayment Penalty

If you owe more than $1,000 at tax time AND haven't paid at least 90% of your tax liability through quarterly payments, the IRS charges an underpayment penalty. Set aside 25-30% of every 1099 payment for taxes.

Common 1099 Deductions

DeductionRequirements
Home Office ($1,500/yr simplified)Regular & exclusive use for business
Health Insurance PremiumsSelf-employed, no employer plan available
Business Mileage ($0.70/mile 2026)Business-purpose driving, keep a log
Equipment & SoftwareSection 179 — deduct full cost in year purchased
Retirement (SEP IRA)Up to 25% of net SE income (max $69,000)
Internet & Phone (business %)Only the business-use percentage
Professional DevelopmentCourses, conferences, certifications

💡 Tax-Saving Strategies for 1099 Workers

  • Open a SEP IRA — deduct up to 25% of net income from taxes
  • Track EVERY expense — use an app like QuickBooks Self-Employed or Hurdlr
  • Form an S-Corp at $50K+ income — can save $5K-15K/year in SE tax
  • Deduct health insurance premiums if you buy your own plan
  • Business mileage at $0.70/mile adds up fast