How quickly will I get my refund?
We issue most refunds in less than 21 calendar days. However, if you filed on paper and expect a refund, it could take four weeks or more to process your return. Where’s My Refund? has the most up to date information available about your refund.
IRS federal tax refund FAQ's website - https://www.irs.gov/refunds/tax-season-refund-frequently-asked-questions
