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.