To calculate net present value of an investment, divide the guaranteed return by 1 plus the interest rate that a different investment would bring in, and subtract the initial investment from the result. Consider a positi... More »

IRR, or internal rate of return, refers to the discount rate that, when used, results in a zero net present value of existing cash flows from an investment or project. It is used in capital budgeting to rank prospective ... More »

The formula to calculate return on investment is ROI = (gain from investment - cost of investment) / cost of investment. The subsequent result is expressed as a ratio or a percentage. More »

The compound annual growth rate, or CAGR, of an investment is calculated by dividing the ending value by the beginning value, taking the quotient to the power of one over the number of years the investment was held and s... More »

The stock market year-to-date return is a metric that measures the appreciation of the value of a stock market investment since the start of the year, states Money Crashers. It is expressed as a percentage and measures f... More »

Harman Pellet stoves are a good value and provide a good return on investment, according to Consumer Search. They are at the higher end of the pellet stove price range but offer the best combination of reliability, eleme... More »

To calculate your mortgage payment manually, apply the interest rate (r), the principal (B) and the loan length in months (m) to this formula: P = B[(r/12)(1 + r/12)^m)]/[(1 + r/12)^m - 1]. This formula takes into accoun... More »