The table below gives you an idea of how much of a certain food type you’d need to eat per day to get to net 20 grams of carb.

Food type Amount in grams
Spinache 1500g
Mixed Vegetables 500g
Mixed Berries 200g
Basmati Rice 26g
Hamburger Bun - 1 side 20g

According to a study by the clinical nutrition centre of Addenbrokes Hospital, Cambridge, UK the average weight of food eaten per day per person excluding drink was 127g. So the table above gives you some idea of what you can reasonably eat in a day.