A standard McDonald’s Big Arch burger is about 1,020 calories on the current U.S. menu, which is just over half of what many adults need in an entire day.

Quick Scoop

  • Most current U.S. listings and nutrition trackers put the Big Arch at around 1,020 calories per burger.
  • Some earlier or international write‑ups have cited slightly different numbers (around 1,030–1,065 calories), likely due to regional recipes or rounding.
  • Either way, you’re looking at roughly a thousand‑calorie burger , before adding fries and a drink.

What’s in those calories?

  • Two beef patties, multiple slices of cheese, special Big Arch sauce, and a seeded bun are the main calorie drivers.
  • Roughly 53–57 g of protein and a high amount of fat and sodium (about 1,700+ mg sodium) are typical for this burger.

One‑line takeaway

If you just wanted the number: the Big Arch burger is about 1,020 calories , and often quoted anywhere in the 1,020–1,065 calorie range depending on region and source.

Information gathered from public forums or data available on the internet and portrayed here.