1000 µg = 1 mg = 0.001 g

strawberries 250 g**
protein 2 g
protein quality 9 %
fat 1 g
linolenic acid 280 mg
carbs 14 g
vitamin E activity 300 µg
total carotenes 45 µg
vitamin B1 78 µg
vitamin B2 135 µg
vitamin B3 1 mg
vitamin B5 1 mg
vitamin B6 150 µg
biotin 10 µg
folic acid 163 µg
vitamin K 32 µg
calcium 65 mg
magnesium 38 mg
phosphorus 73 mg
potassium 368 mg
sodium 6 mg
chloride 35 mg
iron 2 mg
zinc 1 mg
manganese 562 µg
copper 116 µg
molybdenum 23 µg
nickel 13 µg
chromium 3 µg
aluminium 275 µg
fluoride 60 µg
iodide 3 µg
boron 220 µg
silicon 5 mg
selenium 3 µg

** Souci, Fachmann, Kraut;
Food Composition And Nutrition Tables
Medpharm Scientific Publishers Stuttgart