How long does gas in a 20ltr Jerry can fully occupied spend on a daily cooking basis?

The amount of time a 20-liter jerry can of gas will last for daily cooking depends on the cooking appliances being used, the frequency of cooking, and the heat settings. On average, a 20-liter jerry can of gas can last anywhere from 1-2 weeks for daily cooking. However, this can vary significantly based on individual usage patterns.