Online calculator
Margin and markup calculator
Compare margin and markup or find a selling price for a target margin.
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Find explanations, business terms, reports, calculators, editorial, and worksheets.
Online calculator
Compare margin and markup or find a selling price for a target margin.
Online calculator
Calculate monthly sales needed to cover costs, compare expected sales, and check capacity.
Eight-lesson masterclass
Understand business tax classification, income, deductions, owner pay, estimates, hiring and filing with full explanations and worked examples.
Online working pages
Map obligations, reconcile records, plan payments and prepare the filing handoff. Includes a temporary checklist.
Online calendar
Selected U.S. federal dates and suggested reviews for cash, customers, costs and renewals, September 2026–January 2027.
Explanation · Money
Compare what sales leave after direct costs at each price. Then calculate how many sales you could lose before the price increase leaves you worse off.
Current briefing · Money
The national consumer index is context. Pricing decisions still require the business’s own invoices, usage, payroll, and margins.
Explanation · Money
Use upcoming bills, expected customer payments and possible delays to work out how much cash the business needs to keep available.
Explanation · Starting
Keep enough evidence to trace what happened, what was collected or paid, how it reached the books, and why it belongs to the business.
Current briefing · Operations
The Census revenue index is 41.9 and its current input-price index is 69.4 for data through September 6.
Working tool · Money
Compare current and proposed contribution, the units needed to preserve the current result, and the effect of an expected volume change.