Bread Flour Cup to Gram Calculator - Why Your Bread Failed

1 cup bread flour = 130g (standard) or 127g (King Arthur). Batch converter for 2-6 cups. See why 20g difference ruins bread! Includes hydration calculator & gluten strength guide.

converts to
130g

Popular amounts:

🥖

Bread Flour

High protein creates chewy texture

Protein:12-14%
Best for:bread

Quick Reference for Bread Flour

Volume to Weight

  • 1/4 cup = 33g (1.1 oz)
  • 1/3 cup = 43g (1.5 oz)
  • 1/2 cup = 65g (2.3 oz)
  • 1 cup = 130g (4.6 oz)

Common Weights

  • 100g = 0.77 cups
  • 200g = 1.54 cups
  • 250g = 1.92 cups
  • 500g = 3.85 cups

Ounce Reference

  • 1 oz = 28.35g
  • 4 oz = 113g = 0.87 cups
  • 8 oz = 227g = 1.75 cups
  • 16 oz (1 lb) = 454g = 3.49 cups

Measurement method matters! Scooped flour can be 20% heavier than spooned & leveled flour. For best results, use the method specified in your recipe.

🥖 Same "3 Cups" - Why One Bread Rose, One Didn't

😢

Packed Cups

450g
Dense, brick-like bread
Too much flour = gluten overdevelopment
😊

Proper Measure

390g
Perfect rise & crumb
Correct ratio = ideal gluten network
🥴

Too Loose

360g
Flat, spreading loaf
Not enough structure

Industry Standard

1 cup = 130g

Most recipes assume this

King Arthur Standard

1 cup = 127g

Professional baker's choice

🍞 Quick Batch Conversions (Most Searched)

🔬 The Gluten Strength Lab

The Windowpane Test

💪

Bread Flour (12-14% protein)

Stretches thin without tearing

👍

All-Purpose (10-12% protein)

Moderate stretch, may tear

👎

Cake Flour (7-9% protein)

Tears immediately - not for bread!

Brand Protein Comparison

King Arthur
12.7% 127g/cup
Bob's Red Mill
13.0% 128g/cup
Gold Medal
12.0% 135g/cup
Pillsbury
12.0% 130g/cup

💡 Higher protein = stronger gluten = better rise

🌾 Want to compare all flour types? Check our complete flour comparison tool

💧 Hydration Rate Master Guide

What's Hydration & Why Bread Flour Needs More Water

Hydration = (Water Weight ÷ Flour Weight) × 100%. Bread flour's higher protein absorbs more water.

Bread Type Ideal Hydration For 500g Flour Result
Bagels 🥯 55-60% 275-300ml Dense, chewy
Sandwich Bread 🍞 60-65% 300-325ml Soft, tight crumb
Artisan Bread 🥖 70-80% 350-400ml Open crumb, crusty
Pizza Dough 🍕 65-70% 325-350ml Stretchy, crisp
Ciabatta 🥖 80-90% 400-450ml Very open, airy

💡 Pro Tip: Adjust for Your Environment

Humid Climate? 🌧️

Reduce water by 5-10% (flour absorbs moisture from air)

Dry Climate? 🏜️

Increase water by 5-10% (flour is drier)

🏭 Batch Baking Command Center

🏠

Family Loaf

3.5 cups

= 455g

Perfect sandwich bread

🎉

Party Batch

8 cups

= 1,040g

4 regular loaves

Café Daily

15 cups

= 1,950g

~8 artisan loaves

🏪

Bakery Batch

20 cups

= 2.6kg

Commercial scale

⚠️ Recipe Scaling Traps

Yeast Doesn't Double!

Use only 1.5x yeast when doubling recipe

Salt Needs Adjustment

Reduce by 10% in large batches

Rising Time Changes

Large dough = faster fermentation

📊 Need help scaling? Use our yeast converter and baker's percentage calculator

🌍 International Bread Flour Decoder

Country Local Name Protein % 1 Cup Weight Notes
🇺🇸 USA Bread Flour 12-14% 130g Standard reference
🇬🇧 UK Strong White Flour 11-13% 140g UK cup = 250ml
🇯🇵 Japan 強力粉 (Kyorikiko) 11.5-13% 110g JP cup = 200ml
🇫🇷 France Farine T65 11-12.5% 130g For pain & baguette
🇩🇪 Germany Type 550/812 11-13% 130g Number = ash content
🇮🇹 Italy Farina Manitoba 13-15% 125g Extra strong, for panettone
🇨🇦 Canada Canadian Strong 13-14% 130g Hard red spring wheat

💡 Converting International Recipes: If using a European recipe with "strong flour", you can substitute directly with US bread flour. Japanese recipes may need 10-15% more flour due to their smaller cup size.

🏥 Bread Emergency Room - Diagnosis & Treatment

Problem: Bread Won't Rise

🔍 Diagnosis:

  • • Too much flour (common with packed cups)
  • • Low protein flour used
  • • Insufficient kneading

💊 Treatment:

  • • Use exactly 130g per cup
  • • Ensure 12%+ protein content
  • • Knead until windowpane test passes

Problem: Dense, Heavy Texture

🔍 Diagnosis:

  • • Overworked dough (too much flour)
  • • Wrong flour-to-water ratio
  • • Under-proofed

💊 Treatment:

  • • Stick to recipe measurements
  • • Check hydration rate (65-75%)
  • • Proof until doubled in size

Problem: Crust Too Hard/Thick

🔍 Diagnosis:

  • • Too high temperature
  • • Lack of steam in oven
  • • Over-baking

💊 Treatment:

  • • Reduce temp by 25°F
  • • Add water pan for steam
  • • Cover with foil if browning too fast

Problem: Uneven Holes/Tunneling

🔍 Diagnosis:

  • • Improper shaping technique
  • • Over-proofed dough
  • • Flour pockets from poor mixing

💊 Treatment:

  • • Degas gently, don't punch
  • • Watch proofing time carefully
  • • Mix until no flour streaks

🔧 Troubleshooting Tools: Having issues at high altitude? Check our altitude adjustment calculator. Need the right temperature? Use our temperature converter.

📊 Complete Bread Flour Conversion Chart

Amount Weight in Grams by Brand Common Use
Standard King Arthur Gold Medal Bob's
1/4 cup 33g 32g 34g 32g Starter feeding
1/3 cup 43g 42g 45g 43g Small rolls
1/2 cup 65g 64g 68g 64g Pizza dough (personal)
2/3 cup 87g 85g 90g 85g Flatbread
3/4 cup 98g 95g 101g 96g Naan bread
1 cup ⭐ 130g 127g 135g 128g Base measurement
1 1/4 cups 163g 159g 169g 160g Small loaf
1 1/2 cups 195g 191g 203g 192g Dinner rolls (6)
2 cups ⭐ 260g 254g 270g 256g Small sandwich loaf
2 1/2 cups 325g 318g 338g 320g Focaccia
3 cups ⭐ 390g 381g 405g 384g Medium loaf
3.5 cups 🍞 455g 445g 473g 448g Standard loaf pan
4 cups ⭐ 520g 508g 540g 512g Large loaf
5 cups 650g 635g 675g 640g 2 small loaves
6 cups 780g 762g 810g 768g Batch baking

📏 Why Precision Matters

  • • 5g difference × 4 cups = 20g total variance
  • • 20g can change hydration by 3-4%
  • • That's the difference between perfect and dense

👑 Why King Arthur is Different

  • • Slightly lower weight per cup (127g vs 130g)
  • • Higher protein content (12.7%)
  • • More consistent between batches

🆘 No Bread Flour? Emergency Substitutions

Option 1: DIY Boost

1 cup AP flour

+ 1.5 tsp vital wheat gluten

= 1 cup bread flour

Best for: All bread types

✓ Most effective substitute

Option 2: Technique Fix

Use AP flour as-is but:

  • • Knead 5-10 min extra
  • • Reduce water by 5%
  • • Add 15 min to rise time

Best for: Simple breads

⚠️ Won't work for bagels

Option 3: Recipe Adapt

Change your recipe:

  • • Add 1 tbsp flour per cup
  • • Include 1 tsp vinegar
  • • Use bread improver

Best for: Experienced bakers

⚡ Results vary

❓ Frequently Asked Bread Flour Questions

Why does my bread recipe fail even with exact measurements?

Even with 130g per cup, failures happen due to:

  • Flour age: Old flour loses gluten strength
  • Humidity: Affects flour moisture content by ±10%
  • Mixing method: Under-kneading = poor gluten development
  • Temperature: Cold flour slows fermentation

Solution: Adjust water by feel - dough should be slightly tacky, not sticky.

Is King Arthur bread flour really worth the extra cost?

King Arthur advantages:

  • Consistent 12.7% protein (never varies)
  • Unbleached and non-bromated
  • Milled from hard red spring wheat
  • Employee-owned company = quality control

Worth it if: You bake weekly, sell bread, or want guaranteed results.

Skip if: Casual baker, budget-conscious, have a reliable local brand.

Can I use bread flour for cakes and cookies?

Generally not recommended because:

  • Cakes: Will be tough and chewy instead of tender
  • Cookies: More likely to be hard and bread-like
  • Pastries: Won't be flaky, will be tough

Exception: Chewy cookies (like bagels) can benefit from bread flour.

For cakes, use cake flour instead.

Why do European bread recipes never use cups?

European baking tradition emphasizes:

  • Precision: Bread is chemistry - ratios must be exact
  • Hydration percentages: Easier to calculate with weight
  • Professional standards: Bakeries always weigh
  • Metric system: Grams are their default

US home baking uses cups for convenience, but every pro baker weighs - even in America.

What's the difference between bread flour and strong flour?

They're essentially the same thing:

  • Bread flour (US): 12-14% protein
  • Strong flour (UK): 11.5-13% protein
  • Very strong flour (UK): 14%+ protein (= US high-gluten)

You can substitute 1:1 in most recipes. UK strong flour is slightly weaker, so you might need to knead a bit longer.

⚖️ Why Every Serious Bread Baker Uses a Scale

The Math of Error Accumulation

Recipe: 4 cups bread flour

😊 With scale: Exactly 520g

😰 Packed cups: 600g (+80g = 15% more!)

🤔 Loose cups: 480g (-40g = 8% less)

That 120g range = completely different bread!

Real Baker Testimonial

"I baked for 3 years using cups. Success rate: 60%. Bought a $20 scale. Success rate now: 95%. That 35% improvement = hundreds of perfect loaves."

- Home baker turned pro

Investment: $15-30

Return: Perfect bread every time

🥖 Master Your Bread Baking!

Stop guessing with cups. See exactly how different brands and measuring methods affect YOUR bread. Our calculator handles King Arthur, Gold Medal, and more - with batch conversion for 1-6 cups instantly.

Use the Smart Calculator ↑

📊 Join 2,000+ bread bakers

🎯 Getting perfect results daily

Complete Your Bread Baking Toolkit

Baking Clinic

Problem: Bread Won't Rise

Diagnosis: Too much flour (packed cups), low protein flour, or insufficient kneading

Solution: Use exactly 130g per cup, ensure 12%+ protein, knead until windowpane test passes

Problem: Dense, Heavy Texture

Diagnosis: Overworked dough from excess flour, wrong hydration, or under-proofing

Solution: Follow measurements precisely, check hydration (65-75%), proof until doubled

Problem: Crust Too Hard

Diagnosis: Temperature too high, lack of steam, or over-baking

Solution: Reduce temp by 25°F, add water pan for steam, cover with foil if browning too fast

Problem: Uneven Holes/Tunneling

Diagnosis: Poor shaping, over-proofing, or flour pockets from mixing

Solution: Degas gently (don't punch), watch proofing time, mix until no flour streaks

Frequently Asked Questions

Q: Why does my bread recipe fail even with exact measurements?

A: Even with 130g per cup, failures happen due to flour age (loses gluten), humidity (±10% moisture), mixing method (poor gluten development), or temperature (cold flour slows fermentation). Solution: Adjust water by feel - dough should be slightly tacky, not sticky.

Q: Is King Arthur bread flour really worth the extra cost?

A: King Arthur offers consistent 12.7% protein, unbleached/non-bromated flour, and excellent quality control. Worth it if you bake weekly or want guaranteed results. Skip if you're a casual baker with a reliable local brand.

Q: Can I use bread flour for cakes and cookies?

A: Not recommended - cakes will be tough and chewy, cookies will be hard and bread-like. Exception: Chewy cookies can benefit from bread flour. For tender cakes, use cake flour instead.

Q: Why do European bread recipes never use cups?

A: European tradition emphasizes precision (bread is chemistry), hydration percentages (easier with weight), professional standards (bakeries always weigh), and the metric system (grams are default). US uses cups for convenience, but pros always weigh.

Q: What's the difference between bread flour and strong flour?

A: They're essentially the same: US bread flour (12-14% protein) vs UK strong flour (11.5-13% protein). Substitute 1:1 in most recipes. UK version is slightly weaker, so knead a bit longer.