I feel your pain man.
For almost 2 months that is all I was able to get.
Thankfully things are better here now.
I would say the most you have there is 1 gram.
.25 will at least fill the bottom of the bag 2" deep---probably more if it is good bud...
Compressed will get you about 1" deep across the bottom of the bag.
I am not being exact here just giving you a reference so you don't get ripped off.
Get yourself a postal scale.