Compare Fitness Tracker sizes
7 Fitness Tracker models at true scale.
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All Fitness Tracker dimensions
| Gadget | Brand | Width (mm) | Depth (mm) | Height (mm) | Volume | Weight | As published | Compare |
|---|---|---|---|---|---|---|---|---|
| WHOOP 5.0 | WHOOP | 46 | 33 | 9 | 0.014 L | 17 g | Approx. 46 x 33 x 9 mm (tracker pod only, without band — estimate, official dimensions TBC) | |
| Amazfit Active 2 (Square) | Amazfit | 43.32 | 36.9 | 9 | 0.014 L | 31 g | 43.32 x 36.9 x 9 mm (without heart rate sensor base) | |
| Fitbit Charge 6 | Fitbit | 45.8 | 27.6 | 11.2 | 0.014 L | 35 g | 45.8 x 27.6 x 11.2 mm | |
| Google Fitbit Air | 34.9 | 17 | 8.3 | 0.005 L | 5 g | 34.9 x 17 x 8.3 mm (tracker pod only, without band) | ||
| Samsung Galaxy Fit3 | Samsung | 42.9 | 28.8 | 9.9 | 0.012 L | 19 g | 42.9 x 28.8 x 9.9 mm | |
| Xiaomi Smart Band 10 | Xiaomi | 46.57 | 22.54 | 10.95 | 0.011 L | 16 g | 46.57 x 22.54 x 10.95 mm (without heart rate sensor) | |
| Xiaomi Smart Band 9 Pro | Xiaomi | 43.27 | 32.49 | 10.8 | 0.015 L | 25 g | 43.27 x 32.49 x 10.8 mm (without heart rate sensor) |
Specs last refreshed 23 Aug 2026.