Business Finance
Margins, break-even, sales tax and cash flow — the numbers every business owner must know.
Business Finance Calculators
Live and free — type your numbers and results update instantly.
Break-Even Calculator
Units and sales needed to cover all costs.
How this calculator works
Break-even units = Fixed costs ÷ (Price per unit − Variable cost per unit).
Profit Margin & Markup Calculator
Profit, margin % and markup % from cost and selling price.
How this calculator works
Margin = Profit ÷ Selling price. Markup = Profit ÷ Cost. A 50% markup is only a 33% margin.
Sales Tax / GST Calculator
Add or remove sales tax from any amount.
How this calculator works
Add tax: Gross = Net × (1 + rate). Remove tax: Net = Gross ÷ (1 + rate). Pakistan’s standard federal sales tax is 18%; change the rate for your country or product.
Cash Runway Calculator
How many months your business can operate on current cash.
How this calculator works
Net burn = Monthly expenses − Monthly revenue. Runway = Cash ÷ Net burn.
Estimates for education only — confirm with your bank, broker or tax adviser. Your numbers stay in your browser.
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