Free calculators
Business calculators
Margin, markup, break-even and the numbers that run the company.
24 calculators
Profit Margin Calculator
Works profit margin, where three different margins answer three different questions..
Markup Calculator
Works markup and the margin it actually produces, which are different numbers..
Break-Even Calculator
Works break-even, where contribution per unit rather than price is the divisor..
ROI Calculator
Works return on investment, where the period and the definition carry the result..
ROAS Calculator
Works return on ad spend, which measures revenue rather than profit..
CAC Calculator
Works customer acquisition cost, where what goes in the numerator is the argument..
LTV Calculator
Works customer lifetime value, where margin and retention do all the work..
LTV:CAC Ratio Calculator
Works the ratio of lifetime value to acquisition cost, which is a heuristic rather than a rule..
Revenue Growth Calculator
Works revenue growth, where the compound rate and the period-on-period rate differ..
Gross Profit Calculator
Works gross profit, where what counts as cost of goods sold decides it..
Net Profit Calculator
Works net profit, which is what remains after everything including the owner..
Contribution Margin Calculator
Works contribution margin, which is the figure for every keep-or-drop decision..
Pricing Calculator
Prices from cost upward, where the price has to carry overhead as well as margin..
Hourly Rate Calculator
Works an hourly rate, where billable hours rather than working hours is the divisor..
Business Valuation Calculator
Estimates a business value from earnings and a multiple, which is a starting point rather than a valuation..
Working Capital Calculator
Works working capital, which is not the same thing as cash..
Cash Flow Calculator
Works cash flow, which is a different statement from profit..
Burn Rate Calculator
Works burn rate, where gross and net burn answer different questions..
Runway Calculator
Works runway, where the constant-burn assumption is the weakness..
Invoice Calculator
Builds an invoice total, where the terms matter as much as the arithmetic..
Commission Calculator
Works commission, where the basis matters more than the rate..
Discount Calculator
Works a discount and what it costs, where the margin effect is the real figure..
Sales Tax Calculator
Works sales tax, where the rate depends on where the customer is..
VAT Calculator
Works VAT, which a registered business collects and reclaims rather than bears..
Beyond the numbers
Tools that produce something you can send
Invoice Generator
Build a clean, itemised invoice and print it to PDF.
Open toolEstimate Generator
Turn a scope of work into a priced estimate the customer can approve.
Open toolWork Order Generator
Write the job down before the technician leaves: what, where, who, and what they need to take with them..
Open toolOther categories
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