Free Online Calculators

Free online calculators that run in your browser. Type your numbers, see the answer and the working, and get the matching Excel formula to use in your own spreadsheets.

Finance calculators

📈

₹5,000/month → ₹11.6L

SIP Calculator

Future value of a monthly SIP, with step-up and a free Excel template.

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🧾

₹1,800 + 18% = ₹2,124

GST Calculator

Add or remove GST, with the CGST and SGST split.

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🏠

₹25L, 8.5%, 20y = ₹21,696

EMI Calculator

Monthly EMI, total interest and a year-by-year schedule.

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Date and number tools

🎂

1990 → 36 years

Age Calculator

Exact age in years, months and days, plus the next birthday.

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🔤

12,34,567 = twelve lakh…

Number to Words

Amounts in words in lakh and crore, for cheques and invoices.

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More free tools

Need a QR code, barcodes, random teams or a printable calendar? See the free online tools.

Do it in Excel

Every calculator here comes with the Excel formula behind it. For full step-by-step guides with practice files, see Excel formulas and Excel functions.