All Niche Business Calculators

8 free calculators for specific business scenarios — ROI analysis, profit margins, break-even points, and startup cost estimates.

ROI, margin, break-even, and startup costs

Business calculators answer different questions. ROI calculators compare return against investment, margin calculators show profit left after costs, break-even calculators estimate the sales volume needed to cover fixed costs, and startup calculators list the cash needed before revenue begins. Choose the calculator that matches the decision you are making right now.

Use estimates carefully

These tools are useful for early planning, pricing conversations, and comparing scenarios. They do not guarantee a business outcome. Run several versions with conservative revenue and higher cost assumptions so you can see where the plan becomes fragile before spending real money.

ROI & Profit Margin Calculators

Real Estate ROI Calculator

Calculate ROI on rental properties and house flips. Factor in purchase price, rehab costs, rental income, and expenses to see your true return.

ROI & Margin

Stock Investment ROI Calculator

Calculate ROI on stock investments. See total return, annualized return (CAGR), and compare against benchmark returns.

ROI & Margin

Restaurant Profit Margin Calculator

Calculate restaurant profit margins. Factor in food cost, labor, rent, and overhead. Industry average is 3-5% net margin.

ROI & Margin

E-Commerce Profit Margin Calculator

Calculate e-commerce profit margins. Factor in product cost, platform fees, shipping, and ad spend to find your true margin.

ROI & Margin

Break-Even Calculators

Small Business Break-Even Calculator

Calculate your business break-even point in units and revenue. Know exactly how much you need to sell to cover all costs.

Break-Even

Startup Cost Calculators

Food Truck Startup Cost Calculator

Estimate food truck startup costs. Typical range: $50,000–$200,000. Calculate truck, equipment, permits, and working capital.

Startup Cost

Hair Salon Startup Cost Calculator

Calculate salon startup costs. Typical range: $50,000–$250,000. Estimate build-out, equipment, licensing, and working capital.

Startup Cost

Cleaning Business Startup Cost Calculator

Estimate cleaning business startup costs. Residential cleaning can start for as little as $2,000–$10,000. See full cost breakdown.

Startup Cost

How to make the numbers more realistic

Include the costs people often forget: payment fees, refunds, maintenance, insurance, software, permits, taxes, equipment replacement, owner time, and slower-than-expected sales. A simple ROI estimate is most useful when it is honest about assumptions. If an idea only works under perfect conditions, the calculator is doing its job by exposing that early.