Side Hustle Calculator

Calculate your side hustle income, annual earnings, and tax estimates. See how long until your side hustle replaces your full-time income. Free calculator, no signup.

How to Use Side Hustle Calculator

  1. Select your side hustle type from the dropdown (Freelance Writing, Web Development, Uber/Lyft, etc.).
  2. Choose hourly mode (enter hours per week + rate) or monthly mode (enter monthly revenue).
  3. Add your monthly business expenses to get accurate net income.
  4. Enter your current full-time monthly income to see when your side hustle could replace it.
  5. Review after-tax monthly income, annual earnings, and the 12-month growth projection.

Frequently Asked Questions

How much can I realistically earn from a side hustle?

Median US side hustle income: $500–$1,000/month (about $12,000/year). High earners in skilled niches (freelance software, consulting, specialized tutoring): $3,000–$10,000+/month. Passive/semi-passive (digital products, affiliate, rental): $200–$2,000/month after initial setup. Realistic year-1 target for most people: $300–$800/month.

How much self-employment tax do I owe on side hustle income?

Self-employment tax is 15.3% (Social Security 12.4% + Medicare 2.9%) on net self-employment income, plus income tax on top. You can deduct half of SE tax and business expenses. On $1,000/month ($12,000/year) side income: SE tax ~$1,700 + income tax at your marginal rate. Our calculator estimates your quarterly estimated tax payments.

What are the best side hustles in 2026?

High-ROI side hustles: Freelance software/web dev ($50–$200/hr), UX/graphic design ($30–$100/hr), copywriting ($25–$100/hr), online tutoring ($20–$80/hr), consulting in your career field, selling digital products (templates, courses, presets), YouTube/Substack/newsletter monetization, and local service businesses (pressure washing, landscaping, detailing).

How do I track side hustle income and expenses?

Use a separate bank account for side income. Track every expense (equipment, software, home office, mileage) — all deductible. Apps: Wave (free), QuickBooks Self-Employed ($15/month), Hurdlr. Our calculator helps estimate monthly income and quarterly tax obligations so you're never surprised at tax time.

At what point does a side hustle become a business?

The IRS considers activity a business when you engage in it with profit intent and continuity. If you earn $400+ net from self-employment, you must file Schedule SE. Hobbies cannot claim losses, businesses can. Track your income and expenses from day one — you're a business the moment you get paid for your skill.

How do I grow my side hustle into full-time income?

Step 1: Validate the niche (get 3 paying clients before quitting). Step 2: Document your process for scalability. Step 3: Raise rates as demand exceeds capacity. Step 4: Build a waiting list before quitting your job. Step 5: Save 6 months of expenses as safety net. Most successful full-time freelancers spent 12–24 months in parallel before going full-time.