Q:

How do I work out percentages on a calculator?

A:

Quick Answer

To determine a percentage, divide the actual number by the total possible number, and multiply the result by 100. For example, if four out of five doctors agree on something, enter the equation in a calculator as "4 ÷ 5 x 100." The result, 80, is the percentage.

Continue Reading
How do I work out percentages on a calculator?
Credit: Joe Raedle Getty Images News Getty Images

Full Answer

Percent literally means per hundred and is used to express what the numerator on a fraction would be if the denominator were equal to 100. By using the common denominator of 100, it becomes simpler to use fractions in calculations because the common number system is based on multiples of 10. This method of calculation allows for the simple movement of the decimal point rather than painstaking division.

Learn more about Math Calculators
Sources:

Related Questions

  • Q:

    How do you use an early payoff calculator?

    A:

    Use an early payoff calculator by inputting the number of months remaining on the loan, the loan amount and the annual interest rate. Hit the "Calculate" button to find out how increasing payments can save money in the long run by paying off the loan early.

    Full Answer >
    Filed Under:
  • Q:

    How do you use a CFM calculator?

    A:

    To use a CFM (cubic feet per minute) calculator to determine airflow needs for a room, know variables such as the volume of the room and the number of times the air changes per hour from the fan/ventilation system and apply them to a formula. CFM is an engineering calculation used to find the heating needs of a room.

    Full Answer >
    Filed Under:
  • Q:

    What is an MPH calculator useful for?

    A:

    A miles per hour calculator, or MPH calculator, determines the average miles per hour based on the amount of time it takes to travel a certain number of miles. Miles per hour is a U.S. customary unit.

    Full Answer >
    Filed Under:
  • Q:

    What is a square root solver?

    A:

    A square root solver or calculator is a tool that helps one compute the square root of any number. There is a square root solver at Math.com as of 2014, and there is also a square root solver on most calculators. To use a square root calculator, one simply needs to enter a number and hit the square root sign (?). Then, the answer is generated.

    Full Answer >
    Filed Under:

Explore