Quote Originally Posted by vicpug View Post
The Debug shows that the Cart weight 18000 grams which is correct. But the size / weight debug line shows 18.00 grams ! Is there another configuration entry that I have not set.
It looks like you may have found a bug.
Line 204 of ozpost.php reads:

$parcelweight = $shippingweight ;

If you are weighing everything in Kgs, then change this to read:
$parcelweight = $shippingweight * 1000 ;

Cheers
Rod