Do you have some savings sitting idle and wonder how quickly they could grow if invested? Would it help to see clear numbers before making a decision? Are you looking for a straightforward way to test ...

Runners tend to get familiar with many stats over the course of training, including mileage, pace, and elevation gain. One number that you should add to that list: Your max heart rate. With this stat ...

Knowing how many calories you burned on a run isn’t required. Calorie-counting can foster a complicated—and sometimes unhealthy—relationship with food and exercise. When you go for a run, you know you ...

Probably the biggest decision when buying a new TV is what screen size to go for. This shouldn't only be influenced by the size of your TV cabinet, but the size of your room, too – if you end up ...

David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of financial accounting, corporate and individual tax planning and preparation, and investing and retirement planning.

Andrew Beattie was part of the original editorial team at Investopedia and has spent twenty years writing on a diverse range of financial topics including business, investing, personal finance, and ...

IRR measures the rate needed to break even on an investment. Calculate IRR by setting NPV to zero and solving for the discount rate. Use Excel's IRR function by inputting initial cost and cash inflow.

Investing requires funding. If you find yourself coming up short, an investment broker will commonly allow you to purchase stocks or other assets on margin. But that doesn’t mean it’ll fully fund the ...