Free Business Calculators for Profit, Pricing & Growth
18 free, instant tools for small business owners and freelancers. No sign-up. No ads above the calculator. Just results.
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Profit & pricing
Profit Margin Calculator
Calculate gross and net profit margin instantly.
Use Calculator →Markup Calculator
Convert cost price to selling price at any markup %.
Use Calculator →Break-Even Calculator
Find the units and revenue needed to break even.
Use Calculator →ROI Calculator
Calculate return on investment from any spend.
Use Calculator →Pricing Calculator
Set the optimal selling price from cost and margin.
Use Calculator →Invoice Calculator
Build invoice totals with tax in seconds.
Use Calculator →Freelance Rate Calculator
Calculate a sustainable hourly rate for freelancers.
Use Calculator →Cash Flow Calculator
Project 12-month cash flow from income and expenses.
Use Calculator →Net Profit Calculator
Calculate true net profit after all costs and tax.
Use Calculator →Ecommerce Profit Calculator
True profit per unit after fees, shipping and ad spend.
Use Calculator →Cost Per Unit Calculator
Calculate production cost per unit from total costs.
Use Calculator →Business Loan Calculator
Calculate monthly repayments and total interest.
Use Calculator →Planning & valuation
Payback Period Calculator
How long until an investment pays for itself.
Use Calculator →Burn Rate & Runway Calculator
Months of runway from cash on hand and monthly burn.
Use Calculator →Business Valuation Calculator
Estimate business value from revenue, profit and multiples.
Use Calculator →Revenue Growth Rate Calculator
Calculate growth rate between two periods.
Use Calculator →Employee Cost Calculator
True cost of hiring after taxes, benefits and overhead.
Use Calculator →Discount & Sale Price Calculator
Sale price and savings from any discount %.
Use Calculator →Hourly to Salary Calculator
Convert hourly rate to annual salary with employer loaded cost.
Use Calculator →Working Capital Calculator
Current ratio and bank-readiness from short-term assets and liabilities.
Use Calculator →DSO Calculator
Days Sales Outstanding and the cash released by faster collections.
Use Calculator →Self-Employment Tax Calculator
SE tax plus federal income and state tax for US freelancers (TY 2026).
Use Calculator →S-Corp Election Calculator
Compare LLC default tax to S-corp election with reasonable salary and compliance overhead.
Use Calculator →Estimated Tax Calculator
IRS quarterly safe-harbor payments with TY 2026 due dates.
Use Calculator →CAC LTV Calculator
Customer acquisition cost vs lifetime value with payback period and health bands.
Use Calculator →Subscription Pricing Calculator
Monthly vs annual LTV with break-even discount.
Use Calculator →Price Elasticity Calculator
Revenue impact at multiple price-hike scenarios.
Use Calculator →Payroll Tax Calculator
US employer FICA, FUTA, state UI burden by headcount.
Use Calculator →Section 179 Calculator
Immediate expensing vs MACRS depreciation NPV.
Use Calculator →Inventory Turnover Calculator
Turnover ratio and days in inventory with benchmarks.
Use Calculator →Profit First Allocation Calculator
Michalowicz Real Revenue allocation across Profit / Owner Pay / Tax / OpEx.
Use Calculator →R&D Tax Credit Calculator
US Section 41 ASC method with QSB payroll-tax-offset check.
Use Calculator →Why are these free?
These tools are free forever. We earn a small amount from display advertising — it costs you nothing.