McDonald’s Biggest Burger Ever Heads to the U.S. And Clocks in at 1,057 Calories

McDonald’s is rolling out The Big Arch across the United States, ending a nearly two-year wait for American fans eager to try the towering burger. The oversized sandwich first appeared in December 2023 and marks a historic milestone as the brand’s first new permanent, worldwide menu addition since Chicken McNuggets launched in 1983. The fast-food giant tested the burger extensively across multiple countries throughout 2024 and 2025 before turning attention to the U.S. market.

The Daily Mail reported that a U.S. McDonald’s employee posted an internal document to Reddit during the first weekend of 2026, revealing January menu updates. The document showed The Big Arch appearing alongside hot honey sauce and returning favorites like Oreo and Shamrock shakes. McDonald’s has not confirmed the U.S. launch officially, but the leaked document sparked widespread discussion among fans waiting for the burger’s domestic debut, with many interpreting the internal memo as strong evidence that the rollout could happen soon.

The Big Arch launched in Canada during the summer of 2024 for early testing, then expanded to Portugal, Germany, France, and the United Kingdom. The international rollout established the burger as McDonald’s biggest offering ever, but American locations stayed off the launch schedule. For nearly two years, U.S. fans waited as the burger spread to international markets, with the domestic absence becoming increasingly noticeable as customers in other countries posted about their experiences with the massive sandwich.

The Big Arch Dwarfs McDonald’s Classic Hamburger in Size and Calories

The Big Arch towers over the chain’s classic hamburger in nearly every dimension. A regular hamburger measures about 3.5 inches in diameter and includes a single quarter-pound beef patty with modest cheese, ketchup, mustard, pickles, and a standard bun. The Big Arch stacks two quarter-pound patties, three slices of white processed cheese, extra pickles, lettuce, onions, and a special Big Arch sauce, all on a larger 5-inch-diameter sesame-and-poppy-seed bun that helps contain the hefty burger.

Comparing the two burgers side by side reveals a dramatic scale difference. The Big Arch stands taller and significantly wider than a regular hamburger, earning its title as the biggest burger McDonald’s has ever offered. The Big Arch weighs roughly 14 ounces with approximately 1,057 kilocalories. The chain’s regular hamburger weighs only 3.5 ounces with 255 kilocalories. The Big Arch delivers four times the weight and more than four times the calories, positioning it as a full meal rather than a quick snack.

The burger serves as a substantial meal option rather than a quick snack. With four times the weight and more than four times the calories of a standard hamburger, The Big Arch targets customers seeking filling options. Three cheese slices instead of one, double the beef, and additional vegetables like lettuce and onions create a burger McDonald’s built to appeal to those wanting larger portions and greater satisfaction from their fast-food purchase.

International Customers Praise Size But Question the New Sauce

Burger fans who sampled The Big Arch abroad have been quick to comment on its sheer size. Many called it massive, with one describing it as feeling like “two Big Macs in one.” Another fan joked it was “over the top.” The comments from international customers highlight just how substantial the burger appears in person, with the two-patty, three-cheese construction creating a sandwich that lives up to its billing as McDonald’s biggest offering.

Not everyone was sold on the new Big Arch sauce. Several reviewers mentioned they would prefer the classic Big Mac sauce instead of the proprietary sauce McDonald’s developed for this burger. “It’s huge, but the sauce didn’t quite hit the mark for me,” wrote one diner in a post shared on a McDonald’s employee forum, expressing a sentiment other early testers echoed when discussing their preference for more familiar flavors.

Price remains a focus for U.S. fans anticipating the domestic launch. In Canada, a Big Arch meal, including fries and a drink cost about CAD $12.59, roughly USD $9, positioning it as a premium step up from McDonald’s regular menu items while still undercutting many competitor burgers. The pricing suggests McDonald’s aims to balance substantial value with accessibility. Final U.S. pricing has not been officially announced and will likely vary by location and regional market conditions across the country.

McDonald’s Bets Big on Larger Portions to Reverse Sales Decline

McDonald’s CEO Chris Kempczinski described the burger as a “quintessential McDonald’s burger with a twist,” emphasizing its blend of classic familiarity with a bigger build. His description reflects the company’s approach of maintaining traditional menu offerings while scaling up to meet customer preferences. Kempczinski positions The Big Arch as both an evolution of McDonald’s core burger lineup and a response to market demands for more substantial, filling meal options that deliver greater value per purchase.

McDonald’s launched The Big Arch as part of its strategy to regain momentum after reporting its first sales decline since the COVID-19 lockdowns in 2024. Executives have noted that customers are seeking more value, prompting the chain to focus on larger, more filling items rather than endlessly tweaking existing burgers. This strategic shift acknowledges consumer behavior, with diners increasingly prioritizing portion size and perceived value over minor menu variations or the rotating selection of limited-time promotional items that typically dominate fast-food marketing campaigns.

As McDonald’s most significant permanent menu addition in four decades, The Big Arch arrives as the chain works to regain momentum following 2024’s sales decline. Whether American consumers embrace the supersized offering with enthusiasm, as seen internationally, will become clear once the burger officially launches in U.S. markets. The extended global testing phase throughout 2024 and 2025 demonstrates McDonald’s confidence in the burger’s potential. U.S. fans now await official confirmation of launch dates and regional availability.