OmniCalc
One studio for everyday math — keypad arithmetic, scientific functions, loans, GST, discounts, health, dates, units, fuel, and splitting the bill. Switch modes; your last choice sticks in this browser.
Basic · Everyday arithmetic
Basic calculator
Add, subtract, multiply, divide — type with your keyboard too.
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Math that sticks
Basic and scientific keypads with keyboard support — plus percentage change, tips, and quick mental-math helpers.
Money & India
EMI, simple/compound interest, GST add/remove, and discount savings — formatted in INR where it matters.
Life utilities
BMI, age, date gaps, unit conversion, trip fuel cost, and fair bill splits — all without leaving the page.
OmniCalc is an estimate helper — bank EMIs, GST filings, and medical advice can differ. Double-check important numbers before you act on them.