Panda Express Calorie Calculator Eating out doesn’t have to mean giving up on your health goals. With the Panda Express calorie calculator, it’s easier than ever to understand what’s in your meal and make choices that fit your lifestyle. Whether you’re counting calories, aiming for balanced nutrition, or just curious about what you’re eating, a calorie calculator can be a helpful tool. What Is a Panda Express Calorie Calculator? A Panda Express calorie calculator is a tool — either online or app-based — that lets you estimate the total calories in your meal before you order.