I made my own conversion chart, where I measured everything into grams. I trust this chart, because I was the one making it and putting everything on scale myself.
Butter
2 sticks = 1 cup = 226 grams
1 stick = 1/2 cup = 8 Tbsp = 113 grams
1/2 stick = 1/4 cup = 4 Tbsp = 56 grams
1/3 cup = 75 grams
1 Tbsp = 14 grams
All purpose flour and Rye flour
1 cup = 140 grams
1/2 cup = 70 grams
1/3 cup = 50 grams
1/4 cup = 35 grams
Wondra
1 cup = 155 grams
1/2 cup = 77 grams
1/3 cup = 52 grams
1/4 cup = 39 grams
Semolina
1 cup = 180 grams
1/2 cup = 90 grams
1/3 cup = 65 grams
1/4 cup = 45 grams
Breadcrumbs
1 cup = 140 grams
1/2 cup = 70 grams
1/3 cup = 55 grams
1/4 cup = 35 grams
White Sugar (Granulated)
1 cup = 200 grams
1/2 cup = 100 grams
1/3 cup = 70 grams
1/4 cup = 50 grams
Powdered Sugar
1 cup = 120 grams
1/2 cup = 60 grams
1/3 cup = 40 grams
1/4 cup = 30 grams
Cocoa
1 cup = 66 grams
1/2 cup = 33 grams
1/3 cup = 22 grams
1/4 cup = 16 grams
Half and Half
half whipping cream and half fat free milk
Sweetened condensed milk
1 can = 14 oz = 397 grams
Puff Pastry Sheets
2 sheets = 1.1 lbs = 490 grams
larger one 2 sheets = 1.15 lb = 520 grams
Honey
1 cup = 320 grams
1/2 cup = 160 grams
1/3 cup = 107 grams
1/4 cup = 80 grams
Ounces to grams
1 oz = about 28 grams
Fluid ounces to milliliters
1 fl.oz = about 30 ml.
Oven temperature:
250F = 120C
260F = 130C
350F = 180C
380F = 190C
400F = 200C
420F = 210C
500F = 260C
Liquid
1 cup = 240 ml
1/2 cup = 120 ml
1/3 cup = 80 ml
1/4 cup = 60 ml
Raisins
1 cup = 160 grams
1/2 cup = 80 grams
1/3 cup = 50 grams
1/4 cup = 40 grams
Almonds
1 cup = 150 grams
1/2 cup = 75 grams
1/3 cup = 50 grams
1/4 cup = 37,5 grams
Slivered almonds
1 cup = 120 grams
1/2 cup = 60 grams
1/3 cup = 40 grams
1/4 cup = 30 grams
Unsweetened coconut
1 cup = 80 grams
1/2 cup = 40 grams
1/3 cup = 30 grams
1/4 cup = 20 grams
Walnuts
1 cup = 100 grams
1/2 cup = 50 grams
1/3 cup = 35 grams
1/4 cup = 25 grams
Poppy seeds
1 cup = 120 grams
1/2 cup = 60 grams
1/3 cup = 45 grams
1/4 cup = 30 grams
Peanuts
1 cup = 140 grams
1/2 cup = 70 grams
1/3 cup = 46,6 grams
1/4 cup = 35 grams
Candied fruit mix
1 cup = 150 grams
1/2 cup = 75 grams
1/3 cup = 50 grams
1/4 cup = 37,5 grams
Dry milk
1 cup = 80 grams
1/2 cup = 40 grams
1/3 cup = 30 grams
1/4 cup = 20 grams
Salt
1 tsp = 7 grams
1 Tbsp = 22 grams
Sea Salt
1 tsp = 6 grams
1 Tbsp = 20 grams
Shredded cheese
1 cup = 100 grams
1/2 cup = 50 grams
1/3 cup = 35 grams
1/4 cup = 25 grams
Dill
1 cup = 40 grams
1/2 cup = 20 grams
1/3 cup = 12 grams
1/4 cup = 10 grams
Frozen vegetables
1 cup = 100 grams
Mushrooms
1 cup = 80 grams
Canned peas
1 cup = 160 grams
1/2 cup = 80 grams
1/3 cup = 60 grams
1/4 cup = 40 grams
Mayo
1 cup = 200 grams
1/2 cup = 100 grams
1/3 cup = 70 grams
1/4 cup = 50 grams