Tax Freedom Day Assess how many days you'll work to pay your federal tax liability. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content How Helping Charities Helps You Donation is on people’s minds around tax season. Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. Inventorying Your Possessions Creating an inventory of your possessions can save you time, money and aggravation in the event you someday suffer losses.