Free Business Planning Tools & Calculators
Run the numbers before you write your plan. These free calculators help you estimate startup costs, find your break-even point, and project revenue and profit — then turn the results into a funding-ready business plan.
Startup Cost Calculator
Add up your one-time and monthly startup costs and see the total capital you need to launch, plus a cash runway buffer.
Open calculatorBreak-Even Calculator
Find the exact sales volume where your business covers its costs, with a break-even point and revenue target.
Open calculatorFinancial Projection Calculator
Project monthly revenue, gross profit, and net profit over 12–36 months from your growth rate and margins.
Open calculatorSBA Loan Calculator
Estimate the monthly payment, total interest, and total cost of an SBA or small-business loan from the amount, rate, and term.
Open calculatorMarket Size Calculator
Size your market with a TAM, SAM, and SOM estimate from your customer count, price, and realistic reach.
Open calculatorWant the full picture? These tools cover individual pieces of your finances. For the complete framework — projections, cash flow, and benchmarks — see the business plan financials hub.
Ready for the complete plan?
These calculators get you started. Optimus Business Plans turns your numbers into a professional, funding-ready business plan.
Create your business plan