Percentage Calculator
Discounts, VAT and increases without second-guessing the maths
Calculators
16 toolsNumbers you need settled quickly: percentages, fractions, area and volume, unit conversion, GPA, loan instalments and currency rates, plus a set of health calculators from BMI and calories to body fat, heart-rate zones, running pace and pregnancy dates. The health ones give you a figure and its published reference range and stop there — they are calculators, not medical advice.
Math
Fraction Calculator
Exact results with the working shown, not a rounded decimal
Area & Volume Calculator
Know how much paint, tile or concrete a space needs
Unit Converter
Turn any measurement into the one your recipe or manual uses
GPA Calculator
See where you stand and what next term must look like
Money
Loan & Interest Calculator
See the real cost of a loan before you sign for it
Currency Converter
Know what you are really paying before you tap pay
Health
BMI Calculator
Where your weight sits on the published healthy range
Calorie Calculator
A daily number you can plan meals around, calmly
Due Date Calculator
Plan the months ahead in both Gregorian and Hijri dates
Daily Water Intake
A figure backed by published references, not the 8-glasses myth
Body Fat Calculator
What a tape measure can tell you that the scale cannot
Heart Rate Zone Calculator
Train at the effort you meant to, not by feel alone
Running Pace Calculator
Turn a goal finish time into the pace to hold
Health Unit Converters
Read a lab report or a foreign scale in units you know
Cycle Tracker
See what is coming next, with the data never leaving your phone