Make the numbers make sense.
Clear calculators for freelancers and small businesses. No account, no spreadsheet, no data sent to us.
Before tax and indirect overhead.
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Start with the type of calculation you need.
Business & Freelancing
Pricing, profitability, cash-flow and work calculators for freelancers and small businesses.
Marketing & E-commerce
Measure advertising efficiency, customer acquisition, conversions and online sales.
Finance & Investment
Plan loans, savings, budgets, debt, returns and everyday financial decisions.
Mathematics & Time
Solve percentages, averages, ratios, dates, durations and everyday calculations.
Unit Converters
Convert common metric, imperial, digital, speed, volume and currency values.
Home & Travel
Estimate household projects, energy use and travel costs.
Health & Lifestyle
General health and lifestyle estimates with clear formulas and appropriate cautions.
Calendars & Planning
Create printable calendars and plan employee leave without an account.
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Popular calculators
Calendar Generator
Create a calendar by country and region, add your own events, and print or save it as a PDF.
Calendars & PlanningEmployee Leave Planner
Plan employee vacation, sick leave and other absences in one private yearly calendar.
Calendars & PlanningProfit Margin
See profit, margin, and markup together before you set a price.
Business & FreelancingHourly Rate
Find a sustainable hourly rate from your income goal and available billable time.
Business & FreelancingProject Price
Turn hours, expenses, risk, and target margin into a defensible quote.
Business & FreelancingBreak-Even
Calculate the sales volume needed to cover fixed and variable costs.
Business & FreelancingMeeting Cost
Reveal the cost of one meeting and the monthly impact of recurring meetings.
Business & FreelancingROI
Measure net gain, total ROI, and an annualized comparison rate.
Finance & InvestmentPercentage
Find a percentage of any number in one step.
Mathematics & TimePercentage Difference
Compare two values without treating either one as the starting value.
Mathematics & TimeVAT
Add or remove VAT using any rate you choose.
Business & FreelancingSimple Interest
Calculate interest that does not compound over time.
Finance & InvestmentPrivate by default
Your entries stay in your browser and disappear when you leave.
Plain-language results
See the answer, the formula, and what the number means.
Built for real work
Use practical defaults, then adjust every input to match your case.