What Is My Current Cash Flow? Assess whether you are running “in the black” or “in the red” each month. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. Capital Gains Tax Estimator Use this calculator to estimate your capital gains tax. Do You Owe The AMT? If you want to avoid potential surprises at tax time, it may make sense to know where you stand when it comes to the AMT.