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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content How Big is Money? Learn a little about worldwide currency in this fun infographic A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government. Managing an Inheritance A windfall from a loved one can be both rewarding and complicated.