Free 1099 Tax Calculator for Software Developers in Washington
Calculate your self-employment tax liability instantly. No account, no signup, no tracking.
2026 Write-Off Guide for Software Developers in Washington
- Self-Employment Tax Rate: 15.3% (12.4% Social Security + 2.9% Medicare) on 92.35% of net earnings
- State Income Tax: Check your Washington state tax rate — some states offer deductions on SE tax paid
- Home Office Deduction: If you use a dedicated workspace regularly, you can deduct $5/sq.ft (simplified) or actual expenses
- Equipment & Software: Cameras, editing software, website hosting, cloud subscriptions — all deductible for Software Developerss
- Vehicle Mileage: $0.655/mile for business travel in 2026
- Retirement: SEP IRA contributions reduce your AGI and lower SE tax simultaneously
This tool provides estimates only. Consult a CPA for personalized tax advice.