Hi,

As Jaideep said, a manufacturing order would be a good way to handle this scenario. To add in a few additional details to Jaideep's answer:

1. Create the products: 

• Rice (100 KG). You could set the weight on the product to 100 KGs.
• Rice (1KG).
• Maybe any additional components - such as a rice bag for the 1KG rice bags.

2. Create the bill of material:

• Product: Rice (100 KG)
• Quantity: 100
• Components:
• • 1 unit of the 100 KG rice bag
  • 100 1-KG rice bags

Once you create and validate the manufacturing order using this bill, you will end up with a 100 rice bags of 1KG - and a consumed 100KG rice bag.

Hope that helps - Abdullah