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Welcome to All in One Calculator! This first release includes: • 47+ smart calculators in one app • Basic & advanced calculator • 19+ unit converter categories • EMI, GST, discount & interest calculators • Currency converter • BMI & health calculators • Geometry & math calculators • Age & date calculators • Offline support for most tools • Calculator history & multiple themes • English & Hindi language support Thank you for choosing All in One Calculator
47 calculators in one app: unit converter, EMI, GST, BMI, currency. Offline.
All in One Calculator puts 47 calculators and unit converters in one clean, fast app — plus a calculator good enough to replace your stock one. Free, works offline, and available in English and हिन्दी. 🔢 CALCULATOR - Advanced keys: √, ^, %, !, π, e and brackets - Live preview — see the answer as you type - Memory keys: MC, M+, M−, MR - Three keypad layouts: Simple, Classic, Modern - Full history — every calculation saved, revisit anytime 📏 UNIT CONVERTER — 19 categories - Length, Weight, Area, Volume, Speed, Temperature, Time - Data storage, Data transfer, Energy, Power, Pressure, Force - Acceleration, Angle, Torque, Volumetric flow, Cooking, Fuel - Convert several units at once — add or remove rows as you like - Numeric base (binary, octal, decimal, hex), Roman numerals, shoe size, ring size 💰 FINANCE CALCULATORS - EMI calculator / loan calculator — monthly EMI, total interest, total payable - Simple and compound interest calculator - Tip calculator with bill split - Sales tax / GST style tax calculator - Unit price calculator — spot the better deal while shopping - Currency converter — live exchange rates with the rate date shown, and it keeps working offline using the last saved rates 📐 GEOMETRY - Shapes: square, rectangle, triangle, right triangle, trapezoid, rhombus, pentagon, hexagon, circle, circle arc, ellipse - Bodies: cube, prism, pyramid, pyramid frustum, cone, cone frustum, cylinder, sphere, sphere cap, sphere segment, ellipsoid - Area, perimeter, volume, surface area, diagonals and more 🧮 MATH & ALGEBRA - Percentage calculator — discount, increase, percent of, percent change - Average, proportion and ratio calculator - Equation solver — quadratic equations, complex roots included - GCF & LCM, combinations (nCr and nPr) - Prime number checker and random number generator 🩺 HEALTH - BMI calculator with weight category - Body fat calculator - Calorie burn calculator 📅 DATE & TIME - Age calculator — exact years, months and days - Add or subtract days from any date - Days, weeks and months between two dates 🚗 EVERYDAY - Mileage calculator — km/l and l/100km ✨ WHY YOU'LL LIKE IT - Works offline — almost every tool runs without internet - Clean, modern Material design that stays out of your way - AMOLED dark theme to save battery on OLED screens - Dynamic colours on Android 12+ - English and हिन्दी — change the whole app's language from Settings - Free to use 👥 MADE FOR Students, teachers, engineers, shopkeepers, small business owners, builders, homemakers — anyone tired of installing five different calculator apps for five different jobs. New calculators are added regularly. Have a request, or found something that looks wrong? Write to devcodes8@gmail.com — every message is read. Whether you need a quick unit converter, an EMI calculator before taking a loan, a GST or discount calculator at the shop, a BMI check, an age calculator, or the area and volume of a shape for homework — it is all here, in one calculator app.