As a general guide: 1 liter = 1 gram
You may also refer to the chart beside, this chart does not consider the items inside the packing and the materials being used for packing; but it is a start and will give you an idea of what size silica gel / desiccant packs to use and how much silica gel / desiccant to buy for your purpose.
Want to make purchase? Buy silica gels here.
Selamat Hari Raya Semua!
As the moon shines brighter, wish your heart grows lighter.