Free business and finance tools for freelancers, consultants, and small businesses — calculate profit margins, MRR and ARR, customer acquisition cost, freelance project quotes, break-even points, inventory turnover, and more. Generate invoice numbers or full invoices. Everything runs in your browser with no sign-up required.
Model pricing and profitability before you quote clients, set sustainable freelance and consulting rates, and track SaaS metrics like churn, LTV, CAC, and ROAS alongside traditional margin and markup analysis. Numbers update live so you can compare scenarios in one session — whether you are scoping a project, planning runway, or evaluating ad spend efficiency.
Profit Margin CalculatorCalculate profit, margin percentage, and markup from revenue and cost.
Markup CalculatorFind selling price, profit, and margin from cost and markup percentage.
Gross Profit CalculatorCalculate gross profit and gross margin from revenue and COGS.
Net Profit CalculatorFind net profit and net margin after all expenses.
Break-Even CalculatorFind break-even units from fixed costs, price, and variable cost per unit.
Break-Even Units CalculatorBreak-even units plus units needed to hit a target profit goal.
Inventory Turnover CalculatorTurnover ratio and days in inventory from COGS and average stock.
VAT CalculatorAdd or remove VAT — net price, rate, gross total, and tax amount.
Revenue Growth CalculatorRevenue growth percentage and absolute change between periods.
Monthly Recurring Revenue CalculatorMRR and ARR from customer count and average revenue per user.
Annual Recurring Revenue CalculatorARR from MRR input or customers multiplied by monthly ARPU.
Customer Lifetime Value CalculatorLTV from ARPU, gross margin, and monthly churn rate.
Churn Rate CalculatorCustomer churn rate from starting count, lost customers, and period.
Revenue Per Customer CalculatorAverage revenue per customer from total revenue and customer count.
Customer Acquisition Cost CalculatorCAC from marketing spend divided by new customers acquired.
Return on Ad Spend CalculatorROAS ratio and percentage from ad spend and attributed revenue.
Freelance Rate CalculatorCalculate hourly rate from desired income, billable hours, and expenses.
Freelance Project Pricing CalculatorProject quote from hours, rate, expenses, and target profit margin.
Consulting Rate CalculatorDay rate and hourly rate from annual income and billable days.
Commission CalculatorCommission earned from sale amount and commission rate.
Profit Per Employee CalculatorNet profit divided by employee count for productivity benchmarks.
Startup Runway CalculatorMonths of runway from cash on hand and monthly burn rate.
Burn Rate CalculatorMonthly burn from starting cash, ending cash, and months elapsed.
ROI CalculatorCalculate return on investment percentage from investment and return.
Invoice Number GeneratorGenerate sequential invoice numbers with prefix, date, and sequence.
Invoice GeneratorCreate professional invoices with line items, taxes, and totals.
Markup CalculatorFind selling price, profit, and margin from cost and markup percentage.
Gross Profit CalculatorCalculate gross profit and gross margin from revenue and COGS.
Net Profit CalculatorFind net profit and net margin after all expenses.
Break-Even CalculatorFind break-even units from fixed costs, price, and variable cost per unit.
Break-Even Units CalculatorBreak-even units plus units needed to hit a target profit goal.
Inventory Turnover CalculatorTurnover ratio and days in inventory from COGS and average stock.
VAT CalculatorAdd or remove VAT — net price, rate, gross total, and tax amount.
Revenue Growth CalculatorRevenue growth percentage and absolute change between periods.
Monthly Recurring Revenue CalculatorMRR and ARR from customer count and average revenue per user.
Annual Recurring Revenue CalculatorARR from MRR input or customers multiplied by monthly ARPU.
Customer Lifetime Value CalculatorLTV from ARPU, gross margin, and monthly churn rate.
Churn Rate CalculatorCustomer churn rate from starting count, lost customers, and period.
Revenue Per Customer CalculatorAverage revenue per customer from total revenue and customer count.
Customer Acquisition Cost CalculatorCAC from marketing spend divided by new customers acquired.
Return on Ad Spend CalculatorROAS ratio and percentage from ad spend and attributed revenue.
Freelance Rate CalculatorCalculate hourly rate from desired income, billable hours, and expenses.
Freelance Project Pricing CalculatorProject quote from hours, rate, expenses, and target profit margin.
Consulting Rate CalculatorDay rate and hourly rate from annual income and billable days.
Commission CalculatorCommission earned from sale amount and commission rate.
Profit Per Employee CalculatorNet profit divided by employee count for productivity benchmarks.
Startup Runway CalculatorMonths of runway from cash on hand and monthly burn rate.
Burn Rate CalculatorMonthly burn from starting cash, ending cash, and months elapsed.
ROI CalculatorCalculate return on investment percentage from investment and return.
Invoice Number GeneratorGenerate sequential invoice numbers with prefix, date, and sequence.
Invoice GeneratorCreate professional invoices with line items, taxes, and totals.