How heavy is a blue whale?
The largest animal known to have lived.
The numbers
| Measure | Value | Source |
|---|---|---|
| mass | 330,000 lb | NOAA Fisheries: Blue Whale
(retrieved November 11, 2026) Maximum weight, for the largest (Antarctic) blue whales. |
Compared with other things
- 1 blue whale = about 28 African elephantsby mass