Most new businesses do not fail because the idea is bad — they run out of cash. A surprising number of founders open their doors having saved only the cost of registration and a logo, then discover that rent, payroll, software subscriptions and permits keep arriving long before the first sale does. This startup cost calculator from Smekys turns that guesswork into a single, honest number: the total cash you should have in the bank on launch day.
The model splits your spending into two buckets. First are the one-time setup costs — legal fees, licenses and permits, equipment, and your website or branding. Second is working capital, which is simply your monthly operating burn multiplied by the number of months you need to survive before revenue becomes reliable. Add the two together and you get a realistic startup budget instead of a hope.
Adjust any field and the result updates instantly. You will see the one-time costs, the working-capital cushion, your monthly burn, and the grand total you should plan to raise or save.
How to Use
- Enter Legal & Professional Fees — business registration, an LLC or corporation filing, a lawyer to review contracts, and an accountant to set up your books. A typical small business spends $1,000–$3,000 here.
- Add Licenses & Permits — the federal, state and local approvals you must hold before operating. A home-based consultant may pay under $500; a food-service or construction business can pay several thousand.
- Estimate Equipment & Supplies — machinery, tools, computers, point-of-sale hardware, furniture, and your first round of inventory. This is often the largest line for product businesses.
- Set Website & Branding — domain, hosting, logo, site design and a small launch marketing budget. Skip this and customers will not find you; overspend it and you drain cash you need for payroll.
- Type your Monthly Operating Expenses — recurring burn such as rent, salaries, software, utilities and insurance. Be conservative; owners routinely underestimate this by 20–30%.
- Choose your Operating Runway to Cover. Six months is the classic minimum, but many advisors suggest twelve, because revenue rarely arrives on schedule.
The result card then sums your one-time costs, multiplies monthly burn by your runway to compute working capital, and shows the Total Startup Cost Needed. Treat that total as the funding target — not the absolute minimum, but the amount that lets you survive the slow first months without panicking.
The Formula
This calculator uses the same two-part method recommended by the U.S. Small Business Administration:
Total Startup Cost = One-Time Setup Costs + (Monthly Operating Expenses × Runway Months)
Where:
- One-Time Setup Costs = legal fees + licenses/permits + equipment + website/branding.
- Monthly Operating Expenses = rent, payroll, software, utilities and insurance.
- Runway Months = the number of months of burn your cash must cover before revenue stabilizes.
Worked example with the default figures: legal $1,500, licensing $800, equipment $10,000, website $2,000, and $3,000 per month of burn for a 6-month runway. One-time costs come to $14,300. Working capital is $3,000 × 6 = $18,000. Adding them gives a total startup cost of $32,300. Notice that the working-capital cushion — the money that keeps the lights on before sales arrive — is actually larger than all the setup costs combined. That is the number most new founders forget.
If an input is zero, that line simply drops out; if you leave a cost blank, the calculator treats it as $0. Every line must be a non-negative number, because a negative expense would produce a nonsense total.
What Belongs in Each Bucket
Founders who skip the budget usually underweight the quiet recurring costs:
- Legal & Professional Fees — LLC incorporation, EIN, operating agreements, and a bookkeeper. Cutting corners here creates liability problems later.
- Licenses & Permits — general business license, sales tax permit, health department approval, industry-specific certifications. These vary wildly by city and state.
- Equipment & Supplies — bought once, but remember installation, maintenance and a spare-part buffer.
- Website & Branding — a real domain and a credible site; this is your storefront for online-first businesses.
- Working Capital — the single most underestimated line. It covers payroll and rent during the gap between launch and steady revenue. Six months is the floor, not the ceiling.
A business that budgets only $14,300 and forgets the $18,000 working cushion is technically "open" but one slow month away from crisis. Budget for the runway, not just the launch.
Examples
Example 1 — The default service business. A freelance consultant sets aside $1,500 for an LLC and accounting, $800 for a local business license, $10,000 for a laptop and office equipment, and $2,000 for a website. Monthly burn is $3,000 and they cover a 6-month runway. One-time costs are $14,300; working capital is $18,000; total startup cost needed is $32,300.
Example 2 — A capital-heavy product launch. A small manufacturer raises equipment spending to $1,500,000 for production machinery while keeping legal at $1,500, licensing at $800, website at $2,000 and a $3,000 monthly burn for six months. One-time costs jump to $1,504,300; working capital stays at $18,000; the calculator returns a total of $1,522,300, showing how equipment scale dominates the budget.
Example 3 — The lean zero-burn startup. A solo founder with no office, no employees and no equipment enters $0 across every line. The calculator returns a total startup cost of $0 — useful as a baseline, but in practice almost every business has at least a small licensing or hosting fee, so treat a zero total as a prompt to double-check you did not omit something.
FAQ
How much money do I need to start a small business?
It depends on the industry, but a realistic formula is one-time setup costs (legal, licenses, equipment, website) plus six to twelve months of operating expenses held as working capital. Using this calculator's defaults, a typical small business needs about $32,300 before launch. Product and food-service businesses usually need far more; online and service businesses can need much less.
Should I budget 6 months or 12 months of working capital?
Six months is the widely accepted minimum runway, but twelve months is safer, because revenue almost always arrives later and smaller than projected. If your industry is slow to build trust — such as B2B consulting or wholesale — lean toward twelve months. The SBA and most startup advisors recommend covering at least half a year of burn before you launch.
What is the difference between startup costs and working capital?
Startup costs (or one-time setup costs) are the expenses you pay once to open — registration, equipment, website. Working capital is the cash reserve you keep on hand to cover recurring operating expenses (rent, payroll, software) during the months before revenue stabilizes. The first bucket buys your launch; the second bucket keeps you alive after it.
Do I need equipment costs if I am a solo online business?
Often much less. A digital freelancer may only need a computer and software subscriptions, which can be a few thousand dollars. The key is to be honest: even a solo business has hosting, email and possibly contract-software costs. Enter what you will actually spend rather than assuming "online means free."
Are LLC fees and licenses tax deductible?
Many startup and organizational costs can be deducted or amortized under IRS rules, up to certain limits in your first year, but the exact treatment depends on your business structure and location. This calculator estimates cash, not tax deductions, so do not net expected tax savings against the funding you need today. Confirm the deductibility of startup costs with a qualified accountant.
What happens if I run out of working capital?
Running out of working capital usually means missing payroll, skipping rent, or taking on expensive debt at the worst possible time. This is the most common reason new businesses close in their first year. That is why the calculator treats the working-capital line as a required cushion rather than an afterthought — and why covering six to twelve months of burn matters more than polishing the logo.
Disclaimer
This startup cost calculator from Smekys is provided for informational purposes only and does not constitute legal, accounting, tax, or financial advice. The estimates are based on the inputs you enter; actual costs vary widely by industry, location, business structure and market conditions. License fees, legal costs and equipment prices are approximations and should be verified with your own vendors, contractors and a qualified professional before you commit to a budget.