To calculate credit card interest ... APR stands for "annual percentage rate." It's the rate you pay per year when borrowing money with a loan or credit card. Is APR charged monthly?

Your effective tax rate is different from your tax bracket. It’s the percentage of your taxable income you pay in taxes. To calculate your effective tax rate, find your total tax on your income ...

but it’s simple to calculate on your own. Your effective tax rate is the percentage of your taxable income you pay in taxes – essentially an average of the various rates at which your income ...