[header] How to exercise with a kettlebell [title] Start with a kettlebell that weighs 15-25 pounds (6.8-11. 3 kg). [step] The exact weight you should start with depends on how much weight-training experience you have and the size and weight of your body. The more experience you have lifting weights, the heavier kettlebell you can start with. 
[substeps] Even if you're an experienced weightlifter, you may want to start with a lighter kettlebell until you get used to exercising with it. [title] Exercise with a regular cast iron kettlebell when you're starting out.