In the United States, "Smack That" debuted on the
Billboard Hot 100 at 95 on the issue dated October 7, 2006. One week later, the song jumped 88 spots to 7, aided by its digital download sales (67,000) and rise in radio impression (30.5 million audience). The song earned the distinction of achieving the highest jump on the Hot 100 chart at the time. Three weeks later, aided by the strength of 91,500 downloads, the song climbed to its peak position at number two, where it remained for five consecutive weeks, barred from the top spot by
Ludacris' "
Money Maker",
Justin Timberlake's "
My Love", and Akon's own single "
I Wanna Love You". "Smack That" has sold over 3,227,000 downloads as of April 29, 2012, earning a triple-platinum certification by the
Recording Industry Association of America. In Europe, "Smack That" experienced commercial success. In the United Kingdom, the song debuted at number 12 on November 12, 2006, and rose to number one in the following week, becoming Akon's second and Eminem's seventh UK number one. The single was successful in Belgium, topping the chart in Wallonia and peaking at number three in the Dutch-language Flanders region. It was later certified gold by the
Belgian Entertainment Association (BEA). In Sweden, the song debuted at number nine on October 12, 2006. Three weeks later, it reached a peak of number three, where it remained for three non-consecutive weeks. "Smack That" earned a Platinum certification from the
Grammofonleverantörernas förening (GLF) in 2007. The song peaked at number one in Czech Republic, Ireland, Norway, and Slovakia. "Smack That" entered the singles chart in Australia on November 13, 2006, at number five. The song fluctuated within the top 10 for six weeks before reaching its peak at number two, a position it held for three nonconsecutive weeks. The single lasted 26 weeks on the chart and earned a platinum certification from the
Australian Recording Industry Association (ARIA). In New Zealand, "Smack That" debuted on the singles chart in New Zealand on November 20, 2006, at number two. The song held the position for two more weeks before falling to number 14 in its fourth week and 21 in its fifth week. The single got a second wind, rising to number five in the following week. Two weeks later, "Smack That" reached the chart's summit, where it remained for four nonconcsecutive weeks. The song earned a gold certification from the
Recorded Music NZ (RMNZ). ==Music video==