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400g Chopped Walnuts = 3 ⅓ cups + 2 tbsp + 1 tsp

400 grams of chopped walnuts equals 3 ⅓ cups + 2 tbsp + 1 tsp (3.48 US Customary cups, 3.29 Metric 250 mL cups, 822.9 mL, 55.65 tablespoons, or 14.11 oz) when measured dip and sweep at a verified density of 115g per US Customary cup.

Exact decimal volume: 3.48 US Customary Cups • 3.29 Metric Cups (250 mL) • 55.65 tbsp • 14.11 oz

Batch
Measuring density
Standard: Dip and sweep115g / cup
Converted Measure
400 g Chopped Walnuts (Dip and sweep) =
3 ⅓ US Cups + 2 tbsp + 1 tsp
Physical scoop breakdown3.48 cups
1 cup
1 cup
1 cup
1/3 cup
×2
2 tbsp
1 tsp
Edit either side to reverseChopped Walnuts chart →
Grams
400 g
Ounces
14.11 oz
US Cups
3 ⅓ cups + 2 tbsp + 1 tsp
Metric (250mL)
3.29 c
Tablespoons
55.65 tbsp
Milliliters
822.9 mL

Kitchen note: 1 US Customary Cup (236.6 mL) of chopped walnuts (dip and sweep) weighs 115g, while 1 International Metric Cup (250 mL) weighs 122g.

Batch Scaling Around 400g Chopped Walnuts

Batch scaling conversion table around 400g of Chopped Walnuts (0.5× to 3× recipe batches in grams, ounces, US cups, and milliliters)
Batch Scale Weight (g / oz) US Cups & Spoons Metric (mL)
Half Batch (0.5×) 200g (7.05 oz) 1 ¾ cups 411.5 mL
Standard (1×) 400g (14.11 oz) 3 ⅓ cups + 2 tbsp + 1 tsp 822.9 mL
1.5× Batch 600g (21.16 oz) 5 cups + 3 tbsp + 1 ½ tsp 1234.4 mL
Double Batch (2×) 800g (28.22 oz) 6 ¾ cups + 3 tbsp + 1 tsp 1645.8 mL
Triple Batch (3×) 1200g (42.33 oz) 10 ⅓ cups + 1 tbsp + 1 ¾ tsp 2468.7 mL

Measuring 400g of Chopped Walnuts in the Kitchen

Because 1 US Customary Cup (236.6 mL) of chopped walnuts weighs 115g when measured dip and sweep, 400 Grams (400g) translates to 3.48 US cups (3 ⅓ cups + 2 tbsp + 1 tsp).

Without a kitchen scale, measure 3 ⅓ cups + 2 tbsp + 1 tsp (55.65 tablespoons total) using dip and sweep technique. Scoop chopped walnut pieces into the measuring cup and level off. The size of the chop significantly influences density: fine dice packs closely up to 125g, whereas coarse medium pieces average 115g per cup.

Source note: USDA FoodData Central FDC ID 170187; California Walnut Board Standards

Frequently Asked Questions

How many cups is 400 grams of chopped walnuts? ▾

400 grams of chopped walnuts (Dip and sweep, 115g per US cup) equals 3 ⅓ cups + 2 tbsp + 1 tsp (3.48 US Customary Cups, 3.29 Metric 250 mL cups, or 55.65 tablespoons).

Can walnut halves replace chopped walnuts 1:1 by volume? ▾

No, 1 cup of halves weighs only 100 grams, while 1 cup of chopped walnuts weighs 115 grams due to tighter packing.

Why do walnuts turn bitter if stored improperly? ▾

Walnuts are rich in delicate alpha-linolenic omega-3 fatty acids that oxidize rapidly at room temperature; keep them frozen in airtight containers.