The Hamburger is part of the Burgers range on the Macca's menu in Australia. One beef patty with pickles, diced onions, mustard, and ketchup. No cheese. As a guide, expect to pay around From around $3–$5 in-restaurant, though prices are set by each franchise and vary by location.
A Hamburger has approximately 1040 kJ (249 Cal), based on official McDonald's Australia nutrition information. Exact figures can vary slightly by restaurant and any customisations you make.
For the most accurate, store-specific price and availability, check the official McDonald's app or your local restaurant.