International Trade & Import/Export

Calculate profit margin from revenue and cost. Get margin percentage and profit amount for business analysis. Free online calculator with instant

Calculate the theoretical break-even point and minimum whole sellable units, plus target-profit volume, contribution margin, and signed margin of safety.

Compare two complete quotes by dividing each total cost by its whole-unit quantity, with a signed per-unit difference and no invented scale assumptions.

Calculate gross profit and operating profit or loss from net revenue, cost of sales, and operating expenses for one consistent period.

Calculate total ROI and net gain or loss, then use CAGR for endpoint-only investments or money-weighted IRR for explicit year-end contributions.

Calculate one flat or progressive commission plan for an explicitly labeled sales period, including same-period base pay without automatic annualization.

Calculate percentages in seven modes with visible formulas, strict input validation, signed percentage change, and symmetric percentage difference.

Simple in-browser notepad with auto-save. Write quick notes that persist in your browser. Download as text file. No signup needed.

Model an hourly revenue floor from owner pay, overhead, a user-entered annual reserve, billable capacity, and target operating margin.

Create a browser-stored invoice draft with line items, cent-rounded totals, one discount and tax rate, notes, branding, and a print/save-as-PDF layout.

Itemize launch costs and deposits, compare committed funding, then model monthly cash balances and the upfront cash needed to maintain a chosen floor.

Allocate a current Form 1040-ES annual payment target after expected withholding, applicable credits, and confirmed estimated payments already made.