www.reference.com/article/calculate-real-interest-rates-1d66a0a3835efaae

Real interest rate is calculated by adjusting for the effects of inflation when compared to the nominal interest rate. The calculation formula is simple, as it only requires subtracting the rate of inflation from the nominal interest rate. The value left after subtraction is the real interest rate.

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To calculate interest, multiply the periodic interest rate by the principle amount. For example, if you borrowed $1000 with an interest rate of 10 percent, in a year your interest paid is $100.

www.reference.com/article/use-simple-interest-calculator-980f333005bcfa93

A simple interest calculator figures out the amount of interest that is earned and added to an initial investment amount. To calculate the interest amount, a person must provide the interest amount, interest rate and period of investment. The calculator does the math and displays the total amount of

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To calculate production rate, use the following formula: (parts/hours produced) divided by (maximum parts/hours possible) multiplied by 100 percent. Production rate is a formula that determines how many items someone can produce during a specific time period. Someone may also use it to measure worke

www.reference.com/article/interest-rate-d9b698fb6ab6d763

An interest rate is the total percentage paid by the borrower on a loan. It can also be the difference between the money paid back and the money borrowed. The interest rate is what a lender charges a borrower for taking a loan and is also used to determine the rate paid on money deposited in savings

www.reference.com/article/energy-rates-calculated-cbe4f140e587a5f1

Energy rates are calculated by adding the base cost of the energy itself and the cost of transporting the energy to the end user. In addition, companies calculate in the costs for weather-related repairs and the expense of maintaining the energy-delivery infrastructure. The time of day also impacts

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Target heart rate calculators are tools that are used to determine heart rate ranges for physical exercise, according to Active.com. By accounting for age and exertion level, these calculators give users a good idea of how hard they should be pushing themselves while exercising.

www.reference.com/article/tax-interest-calculator-68519412cb172aad

A tax interest calculator determines the amount of interest owed on taxes that are paid late, as seen on the New York State Department of Taxation and Finance website. Several state tax websites, including New York and Pennsylvania, provide tax interest calculators, as do third-party services.

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The Annual Percentage Rate for mortgage interest is calculated in two steps, according to Bankrate. First, solve for the APR payment amount. This number will be different from the actual payment amount. Next, determine what interest rate is required to get the APR payment amount.

www.reference.com/article/calculate-interest-expense-7c2a798a7a6b468a

Interest expense is calculated as the interest rate multiplied by the amount of the outstanding principal of the debt. Defined by Investopedia, interest expense is the cost incurred by an entity on borrowed funds.