ROIFree
ROI Calculator
Return on investment, with the annualised rate beside it, because 30 percent in nine months and 30 percent in five years are not the same result.
ROI 30% · Annualised 41.9%Arithmetic →WordPress 7.1+ Ready345 tools in this category
Business Calculators Tools
The arithmetic a small business has to get right: margin and markup, break-even, lifetime value, tax and loan repayments.
Tools
PAYFree
Salary Converter (Hourly to Annual)
Hourly, daily, weekly, monthly and annual from any one of them, with the 2,080-hour shortcut shown against the hours you actually work.
The shortcut assumes every week is paidArithmetic →TAXFree
Sales Tax Calculator
Add sales tax, or take it back out of a total, with state and local rates combined the way they are actually applied.
Price $250.00 · Tax $21.25 · Total $271.25Arithmetic →STATSFree
Sample Size Calculator
Sample size for an A/B test or a survey, with the relative and absolute effect spelled out and what halving the detectable effect costs.
Half the effect, four times the dataArithmetic →SAVINGSFree
Savings Calculator
Compound savings with monthly deposits, printed in money and in what the money will buy, with each deposit discounted from the month it was actually made.
Real value, not nominalCompound →PAYROLLFree
Payroll Calculator
What an employee costs on top of the salary, and what an hour of their work costs once the days that are paid and not worked are taken out.
Cost, then hours actually workedBands →FINANCEFree
Present Value Calculator
Present value of a lump sum, an annuity or a cash flow series, shown across four discount rates because the rate decides the answer.
The discount rate is the answerArithmetic →MARGINSFree
Profit Margin Calculator
Gross, operating and net margin from one set of figures, so the gap between a product that works and a business that does not is visible.
Gross 45% · Operating 9% · Net 3%Arithmetic →ESTIMATEFree
Project Cost Calculator
A three-point estimate turned into a quote: PERT expected hours, a 90 percent range, non-billable time, and contingency as a line you can defend.
40 / 60 / 120 h → 66.7 h · £5,247–£10,393Arithmetic →SALESFree
Quota Attainment Calculator
Attainment measured against the share of the period gone, the run rate needed to finish, and whether the pipeline covers the gap at your win rate.
Attainment against time, not against 100%Arithmetic →Intuitive Workflow
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