Batch priming a wheat beer

[Libigage]

Hi, sorry to ask one of the same old questions but I'm about to bottle a wheat beer. how much dextrose sugar should I batch prime a 23 litre brew
Cheers

 

[Clint]

According to the forum calculator it should have 3.3 to 4.4 vols of c02 which equates to 317g of corn sugar.