A Big Mac runs about $5.99, a McChicken about $3.59, and a 10-piece McNuggets about $5.79 at most U.S. McDonald’s. A medium World Famous Fries is around $3.99. McDonald’s is about 95% franchised, so the operator who owns your local store sets the final price. Treat every number here as an approximate national figure. City … Read more — McDonald’s Menu Prices USA