Everyday Calculators

Quick answers for daily maths: percentages, your exact age, days between dates, CGPA and trip fuel cost.

Percentage CalculatorFind a percent of a number, what percent one number is of another, or the percentage increase or decrease.Age CalculatorFind your exact age in years, months and days, and how many days are left until your next birthday.Date Difference CalculatorCount the days between two dates, with weeks, months, years and the number of weekdays.CGPA to Percentage CalculatorConvert your CGPA to a percentage using the CBSE, AICTE or simple formula.Fuel Cost CalculatorFind how much petrol or diesel a trip will need, what it will cost, and each person's share.

Some sums come up again and again: a percentage, someone's exact age, the number of days until an event, or what a trip will cost in petrol. These calculators give the answer instantly and show how it was worked out.

Which calculator should I use?

FAQ

How do I calculate a percentage?

Divide the part by the total and multiply by 100. For example, 45 out of 60 is 45 ÷ 60 × 100 = 75%.

How do I convert CBSE CGPA to percentage?

Multiply the CGPA by 9.5. A CGPA of 8.4 is about 79.8%.