List of Largest Dinosaurs by Length and Weight

The biggest land animals ever to walk the Earth were some of the largest dinosaurs. Here are a few notable examples:

Argentinosaurus

• Estimated length: 100 feet (30 meters)
• Estimated weight: 80-100 tons (72,575 to 90,718 kg)

Sauroposeidon

• Estimated length: 96 feet (29.3 meters)
• Estimated weight: 40-60 tons (36,287 to 54,431 kg)

Diplodocus

• Estimated length: 85-90 feet (26-27 meters)
• Estimated weight: 15-20 tons (13,608 to 18,144 kg)

Pro tip: Understanding the size and structure of these dinosaurs can help you appreciate their impact on prehistoric ecosystems.