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Side Hustle to Full-Time Calculator
Calculate when you can quit your job and go full-time on your side hustle. Free calculator with income replacement timeline, runway projection, and risk scenarios. No sign-up required.
Enter the minimum numbers needed to get a result.
Updated live as you type.
Planning estimate only. It does not include taxes, overhead allocation, depreciation, discounts, or other business-specific adjustments.
What this calculator means
Side Hustle to Full-Time: Going full-time on a side hustle means replacing your employment income with self-employment income. This calculator helps determine the financial crossover point — when your savings runway and side income growth make quitting your job financially viable.
Formula and example
Runway = Savings / Expenses; Crossover = when compounding Side Income > Expenses; Full Replacement = when Side Income > Monthly Salary equivalent
$75K salary, $4K/mo expenses, $2.5K/mo side income, $30K savings, 8% growth: 7.5-month runway, crossover in 7 months, full replacement in 19 months. Ready to quit: build savings to $24K (6 months) and grow income to $3.2K/mo.
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Methodology & assumptions
Last updated: 2026-06-19Calculation method
Projects future side income using compound monthly growth. Compares savings runway (months you can survive with zero income) against the crossover point (when side income exceeds expenses) and full income replacement (when side income matches salary). Risk buffer adjusts the target savings amount. Readiness score combines savings progress and income progress weighted by risk tolerance.
Data sources
Uses the numbers you enter and standard small-business finance formulas. Benchmark comparisons use HustleFin industry benchmark pages where available.
Limitations
Assumes smooth, linear income growth — real income is lumpy and unpredictable. Does not account for tax changes, health insurance costs, or lifestyle adjustments. The recommended quit date is a financial estimate only; personal factors like client pipeline, market conditions, and psychological readiness matter equally. Not financial advice.
Input definitions
- Annual salary (after tax): Your current annual take-home pay after taxes.
- Monthly living expenses: Essential monthly costs: rent, food, utilities, insurance, transport.
- Current monthly side income: Average monthly income from freelancing, consulting, or side business.
- Current savings / runway fund: Money you've set aside specifically to fund your transition.
- Monthly income growth rate: Expected monthly growth in side income. Realistic: 5-15%, optimistic: 15-25%.
- Risk buffer (months of expenses): How many months of expenses you want saved before quitting — 3=aggressive, 6=moderate, 12=conservative.
Frequently asked questions
How much should I save before quitting my job?+
The general rule is 3-12 months of living expenses saved, depending on risk tolerance. Conservative planners save 12 months, moderate 6 months, aggressive 3 months. However, savings alone isn't enough — you also need consistent side income covering at least 50-100% of expenses. Having savings AND income momentum is safer than either alone.
What is the crossover point for going full-time?+
The crossover point is when your side income exceeds your monthly living expenses. This is the minimum threshold where you're technically sustainable without a job. But reaching crossover doesn't mean you should quit — you also need a savings buffer and consistent income history (3-6 months) before making the leap.
How realistic is my side income growth rate?+
5-10% monthly growth is realistic for steady, referral-based growth. 10-20% is achievable with active marketing and networking. Above 20% is possible short-term but rarely sustainable. Most side businesses grow in spurts, not smoothly — consider using the lower end of your range for conservative planning. Track actual growth for 3-6 months before relying on projections.
What hidden costs should I plan for after quitting?+
Self-employment costs are typically 20-40% higher than employment. Key items: health insurance ($400-800/month), self-employment tax (additional 7.65%), retirement funding you now cover yourself, business expenses (software, equipment, office), and a buffer for slow months. Use our 1099 tax calculator and freelance rate calculator to estimate your true numbers.
Next: What to do after this
Pick one next action. These are sequenced by the most common workflow after this calculation.
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