24 free calculators · live in your browser
Free Business & Finance Calculators
Free, browser-based calculators for finance, business, accounting and everyday professional work.
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✓Free to use✓Clear formulas & worked examples✓Nothing you type leaves your browser
Formula indexLive calculators
ROI(Final − Cost) ÷ Cost
CAGR(End ÷ Start)^(1/n) − 1
Break-evenFixed ÷ (Price − Variable)
Working capitalCA − CL
Every calculator shows its formula, worked examples and a plain-language explanation.
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All 25 Free Tools
Each tool calculates live in your browser, with real formulas, worked examples and a plain-language explanation — built and mathematically tested one at a time.
Finance Calculators 12
Analyze investments, financing, returns and financial performance.
Work out the return on any project, campaign or purchase in seconds.
Measure how efficiently a business turns shareholder equity into profit.
See how efficiently a business generates profit from everything it owns.
Find the smoothed annual growth rate of an investment across years.
Check whether future cash flows are worth more than the cost today.
Find the discount rate at which a project’s cash flows break even.
Find out how long it takes an investment to pay for itself.
Estimate your monthly instalment and total interest over the loan term.
See how savings or an investment grow with compound interest, year by year.
Find what a future amount is worth today, or what money today will grow to.
Check whether short-term assets cover short-term liabilities.
See how many days cash is tied up in stock and unpaid invoices.
Business Calculators 7
Understand profitability, pricing, margins and business growth.
Find how many units you need to sell before you start making a profit.
See how much of every sale you keep after the direct cost of making it.
See your core operating profit before financing and accounting decisions.
Work out how much you are adding on top of cost when you price a product.
Build your full cost per unit and the price for your target margin.
See what share of every sales dollar actually reaches the bottom line.
Compare two periods and see exactly how fast revenue is growing.
Everyday Calculators 5
Quick calculations for percentages, discounts and everyday decisions.
Find a percentage of a number, what percentage one is of another, or the change.
Work out a sale price, combine two discounts, or find the percentage off.
Convert a salary to hourly, daily, weekly and monthly pay — or back again.
Count the days between two dates, or the business days excluding your holidays.
Combine, split, extract or reorder PDF pages — files stay on your device.
Tax Calculators 1
Calculate tax amounts using the rate you enter.
Add VAT to a price, take it out of a total, or check the rate on an invoice.
Free downloads
Free Excel versions
Every calculator here has a free Excel workbook with the same formulas, worked examples and built-in checks.
From calculator to spreadsheet
Need More Than a Quick Answer?
Use a calculator for a fast result. When you need a full, reusable spreadsheet, the Excel templates take the same calculation further.
How BabaDigit tools connect
1Free online calculatorAvailable now — 25 tools
2Free Excel versionAvailable now — 21 workbooks
3Full Excel templateAvailable now from $9