Kolosseum IronClock

Free barbell loading calculator and rest timer for lifters, coaches, and gyms.

Rest Timer
03:00
Weight
Bar
20 kg Bar Weight
25 kg Bar Weight
2 × 2.5 kg Collars
Plates Available
25 kg
0.5 kg
0.25 kg

Enter a weight.

For plate loading and rest timing only. Check the loaded bar before lifting.