Compute gross margin from revenue and costs — know exact profitability. A $30 sale at $20 cost margins 33% — free, local, no signup.
Content reviewed October 2026 · About Toolzum
Compute profit and loss from revenue, costs, and expenses with margin percentages. Close the month knowing exact numbers — free, local, no signup.
Determines the exact unit volume or revenue required to cover fixed and variable costs, with presets for common business types. Essential for startup pricing strategy, product launch planning, and manufacturing cost analysis where knowing your break-even point is critical before committing to production.
Price products from cost with markup percent — margin, selling price, and profit united. Cost $20 at 50% markup sells $30 — free, local, no signup.
Compute return on ad spend from revenue and cost — know every dollar's payback. Prove 4:1 ROAS before scaling — free, local, no signup.
Calculates exact profit after marketplace commissions (Meesho, Amazon, Flipkart), GST, shipping costs, returns, and packaging. Compare platform profitability side-by-side for Indian e-commerce sellers.
Gross subtracts direct costs (COGS); net subtracts everything including overhead and tax. The tool computes gross margin and markup only — a 60% gross can hide a 5% net, so track net separately.
Varies wildly: software 70%+, retail 2–5%, restaurants 5–10%. Compare within industry, never across.
Raise prices, cut COGS, or drop losing products — in that order of effort. The calculator models each lever instantly.
No — math runs locally in your browser. Figures never leave your device.
Cost $100 on $150 revenue = $50.00 profit, 33.33% gross margin, 50.00% markup, and a 66.7% cost ratio. The presets span Retail ($50/$100), SaaS ($10/$50 = 80%), Restaurant ($7/$20), and Agency ($3,000/$5,000) — run your numbers beside the closest match.
Margin Calculator
Prices from cost and a target margin percentage — the tool solves for selling price, profit, and markup. Perfect for retail pricing, wholesale negotiations, and e-commerce listings where you work backwards from a target margin.
Break-Even Calculator
Determines the exact unit volume or revenue required to cover fixed and variable costs, with presets for common business types. Essential for startup pricing strategy, product launch planning, and manufacturing cost analysis where knowing your break-even point is critical before committing to production.
Profit & Loss Calculator
Compute profit and loss from revenue, costs, and expenses with margin percentages. Close the month knowing exact numbers — free, local, no signup.