Michael Phelps Net Worth: With $55M, He's As Wealthy As Serena Williams, Kevin Durant - University HeraldUniversity HeraldMichael Phelps Net Worth: With $55M, He's As Wealthy As Serena Williams, Kevin DurantUniversity HeraldPhelps exact net worth of $44,288,336 is twice as big as Olympic Gold Medal champion runner Carl Lewis. This net worth is also twice as big as nine time Gold Medal swimmer Mark Spitz' net worth. Further, Phelps' net worth is nine times more than ...What Is Michael Phelps's Net Worth? (V,UA)InvestopediaWhy Michael Phelps may not be as marketable as you thinkCNBCMichael Phelps' Net Worth: 5 Fast Facts You Need to KnowHeavy.comEarn The Necklace -Enstarz -Morning News USAall 4,183 news articles »