Profit margin, break-even, payroll, ROI and other small-business tools — every one free, with the full working shown, built for shop owners, freelancers and finance teams alike.
See cost, revenue, margin % and markup for any product in one step.
Open calculator →Units and revenue needed to cover fixed and variable costs.
LiveFree payback period calculator — months needed to recover an investment given monthly net profit.
LiveFree cost per unit calculator — total production cost divided by units produced.
LiveFree straight-line depreciation calculator — annual depreciation, accumulated depreciation and book value.
LiveFree employee cost calculator — base salary plus benefits, taxes and overhead as a percentage loading.
LiveFree inventory turnover ratio calculator — cost of goods sold divided by average inventory.
LiveFree invoice total calculator — quantity × unit price, plus tax, for quick invoicing.
LiveFree markup-to-margin and margin-to-markup converter for pricing decisions.
LiveSimplified payroll calculator — gross salary minus a combined tax/deduction percentage to estimate net pay.
LiveCost, revenue, margin % and markup for any product.
LiveFree ROI calculator — (gain minus cost) divided by cost, expressed as a percentage.
Markup is profit as a percentage of cost; margin is profit as a percentage of selling price. The same rupee profit gives a higher markup % than margin % — use the Markup ⇄ Margin Converter to switch between them correctly.
Yes — the underlying math (profit margin, break-even, ROI, depreciation) is universal and currency-agnostic. Payroll and tax-adjacent tools note their assumptions on each calculator page.