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Calculate percentages — of a number, increase, or decrease

Find your exact age in years, months, and days

Calculate Zakat on cash, gold, silver, and investments

Live exchange rates — 150+ world currencies

Calculate monthly payment and total interest

Find the exact difference between two dates

Find final price after discount and your savings

Check if your weight is healthy for your height

Split the bill with friends, including tip

Convert length, weight, temperature, and area

Calculate GPA on 4.0, 5.0, or percentage scale

Count down to any event or date