Free online calculators for money, health and dates

Kreotek Calculator brings a dozen everyday calculators together — from a simple and scientific calculator to loan EMI, GST, SIP returns, BMI and age.

15+ calculators

Basic, scientific, percentage, EMI, SIP, FD, RD, PPF, GST, simple and compound interest, discount, BMI, age and date difference.

Rupee formatting, lakh/crore grouping, the new GST 2.0 slabs and CGST/SGST split built in.

Answers update as you type. Loan calculators include a full amortization schedule.

Every calculation happens in your browser — nothing is uploaded.

Are the calculators free?

Yes. Every calculator is free with no sign-up and no limits.

How accurate are the finance calculators?

They use the standard formulas banks and funds use. Results are for guidance only; confirm final figures with your bank or advisor.

Do you store what I enter?

No. Calculations run entirely in your browser and are never sent to a server.