Your effective tax rate can be calculated using Microsoft Excel through a few standard functions and an accurate breakdown of your income by tax bracket. Most of the legwork involves looking up ...

Excel has an effective interest rate formula function that makes these calculations easier for bookkeepers and small business owners. This often-used formula is called EFFECT, and it can be ...

If your savings account earns you a 0.05% interest per year (which is a really terrible interest rate, honestly), you earn $5 in interest for every $10,000 you’ve saved.