"Box Office History for Harry Potter Movies" an incredibly successful film franchise $9 billion grossed $7.7 billion $9 billion $9 billion "Box Office History for Harry Potter Movies" combined $9 billion have made nearly $8 billion per movie data website The Numbers «Box Office History for Harry Potter Movies» $9 billion The-Numbers $9 billion $9 billion $9 billion the series debuted to a budget of $125 million «Harry Potter Franchise Box Office History - The Numbers» more than $7 billion