APluscalc is a free suite of 27 professional calculators: Financial: Mortgage, Compound Interest, Currency Converter (30+ currencies), Loan EMI, Electricity Bill, Fuel Cost Health: BMI, Calorie/TDEE, Water Intake Math: Scientific Calculator, Area & Volume, Temperature, Unit Converter Tools: Word Counter, Age Calculator, GPA Calculator 100% free forever. No account. No tracking. Works on all devices.