how big is a blue whale
A blue whale is roughly the length of a small passenger jet and as heavy as a fully loaded freight train.
Quick Scoop: How big is a blue whale?
- Typical length: about 24–30 meters (80–100 feet).
- Largest confirmed individuals: just under 30 meters (around 98–100 feet), with some reports up to about 33 meters (108 feet).
- Weight: commonly 150–200 tons (150,000–200,000 kg).
- Heart size: around 180 kg (about 400 pounds), roughly the size of a small car.
Easy size comparisons
- Length similar to:
- A basketball court (about 28 meters / 92 feet).
* A Boeing 737-sized jet, which is in the same ballpark for overall length.
- Weight similar to:
- Around 30–33 adult African elephants combined.
HTML table of key facts
| Feature | Typical Blue Whale Size |
|---|---|
| Average length (adult) | About 24–30 m (80–100 ft) | [9][3][5]
| Maximum reported length | Up to about 33 m (108 ft) in some records | [7][3][5]
| Typical weight | Roughly 150–200 tons | [3][5][9]
| Heart mass | About 180 kg (≈400 lb) | [1][3]
| Everyday comparison | Length of a small airliner, weight of 30+ elephants | [9][3][1]
Information gathered from public forums or data available on the internet and portrayed here.