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Ramen Noodle Calculator — Flour, Water & Kansui by Style

Get precise ingredient weights for handmade ramen noodles in any regional style

Total Flour

192 g

Water

63 g

Cost / Serving

$0.50

Ingredient Amounts

192 g
flour (1.5 cups)
Water
63 g
63 mL
Kansui
2.9 g
0.6 tsp
Salt
1.9 g

Noodle Specifications

StyleTokyo-style
Thickness#20 (1.25 mm)
Cook Time90–120 sec
Rest (Min)2 hours
Rest (Ideal)Overnight (8–12 hrs)
Total Noodle Wt260 g

Per-Serving Breakdown

IngredientPer ServingTotal (2)
Flour95.9 g191.9 g
Water31.7 g63.3 g
Kansui1.4 g2.9 g
Salt1.0 g1.9 g
Total130 g260 g

Style Comparison

StyleHydrationKansuiEggThickness
Tokyo-style33%1.5%—1.25 mm
Hakata-style28%2%—1.0–1.1 mm
Sapporo-style38%1%10%1.5 mm
Tsukemen35%1.5%5%2.0 mm

Cost Comparison (per serving)

Homemade Noodles$0.50
Instant Ramen$0.50
Restaurant Ramen$12.00

Homemade noodles cost ~$0.15/serving vs $12–$18 at a ramen shop

Baker’s Percentages (Tokyo-style)

Flour (base)
100%
Water (hydration)
33%
Kansui
1.5%
Salt
1%

Pro Tips

Kansui Substitute: Bake baking soda at 275°F (135°C) for 1 hour on a foil-lined sheet. It converts to sodium carbonate, giving noodles that authentic alkaline chew and yellow color.
Kneading: The dough will feel very dry at first. Knead 10–15 minutes by hand or use a pasta machine on the thickest setting 8–10 times, folding each pass. It should become smooth and pliable.
Pasta Machine: For Tokyo (#20), roll to setting 4–5. For Hakata (#22–24), roll to setting 5–6. For tsukemen (#12), keep at setting 2–3. Cut with the narrow cutter attachment.
Aging the Dough: Wrap tightly in plastic and rest at least 2 hours. Overnight rest at room temperature develops more gluten structure and makes the dough easier to roll. Some recipes age 2–3 days refrigerated.
Cooking: Boil in a large pot of unsalted water (kansui provides enough mineral flavor). Stir immediately to prevent sticking. Thin Hakata noodles cook in 60–90 seconds—do not overcook.

Example Calculations

1Tokyo-Style for 2 (Standard Serving)

Inputs

Servings2
Noodle StyleTokyo-style (wavy, medium)
Serving SizeStandard (130 g)
Kansui TypeBaked Baking Soda

Result

Total Flour192 g (1.5 cups)
Water63 g
Kansui2.9 g (0.6 tsp)
Salt1.9 g
Cook Time90–120 sec

Two standard servings of Tokyo-style ramen need 192 g of bread flour and 63 g of water at 33% hydration. Add 2.9 g of baked baking soda dissolved in the water for the alkaline component.

2Hakata Tonkotsu for 4 (Standard Serving)

Inputs

Servings4
Noodle StyleHakata-style (thin, straight)
Serving SizeStandard (130 g)
Kansui TypeBaked Baking Soda

Result

Total Flour397 g (3.2 cups)
Water111 g
Kansui7.9 g (1.6 tsp)
Salt4.0 g
Cook Time60–90 sec

Four servings of Hakata noodles use 397 g of flour at only 28% hydration. The low water content makes the dough very stiff—knead thoroughly and rest overnight for best results.

3Sapporo Miso for 4 (Standard Serving, with Egg)

Inputs

Servings4
Noodle StyleSapporo-style (thick, curly)
Serving SizeStandard (130 g)
Kansui TypeBaked Baking Soda

Result

Total Flour347 g (2.8 cups)
Water132 g
Kansui3.5 g (0.7 tsp)
Egg35 g (~1 egg)
Cook Time2–3 min

Sapporo-style ramen adds egg (10% of flour weight) for a richer, chewier noodle. Four servings need about 1 egg beaten and mixed into the water before combining with flour.

Frequently Asked Questions

Q

What is the correct hydration for ramen noodles?

Ramen hydration ranges from 28% to 38% of flour weight, depending on the regional style. Hakata noodles use the lowest hydration (28%) for a firm, snappy texture that holds up in rich tonkotsu broth. Sapporo-style uses the highest (38%) with egg for a chewy, curly noodle suited to miso broth.

  • Hakata-style: 28% hydration — thin, firm noodles for tonkotsu broth
  • Tokyo-style: 33% hydration — medium wavy noodles, versatile for shoyu or shio
  • Tsukemen: 35% hydration — thick dipping noodles, extra bite when cold
  • Sapporo-style: 38% hydration — thick curly noodles with egg for miso broth
  • Lower hydration = firmer noodle; higher hydration = chewier, softer noodle
StyleHydrationKansuiEggThickness
Hakata28%2%None1.0–1.1 mm
Tokyo33%1.5%None1.25 mm
Tsukemen35%1.5%5%2.0 mm
Sapporo38%1%10%1.5 mm
Q

What is kansui and can I substitute it?

Kansui is alkaline mineral water (sodium carbonate and potassium carbonate) that gives ramen its yellow color, springy texture, and distinctive aroma. The easiest substitute is baked baking soda: spread baking soda on a foil-lined sheet and bake at 275°F (135°C) for 1 hour to convert sodium bicarbonate to sodium carbonate.

  • Kansui raises dough pH to 9–11, denaturing gluten for a firmer, chewier bite
  • Baked baking soda: bake at 275°F for 1 hr — cheapest, most accessible option
  • Sodium carbonate (soda ash): food-grade powder, dissolve in water before mixing
  • Liquid kansui: premixed alkaline solution, use 1.5× the weight of dry kansui
  • Without kansui, noodles taste like regular pasta — it is not optional for ramen flavor
Q

How long should ramen dough rest before rolling?

Rest ramen dough at least 2 hours wrapped tightly in plastic wrap. Overnight rest (8–12 hours) at room temperature is ideal. Resting allows water to fully hydrate the flour and the gluten network to relax, making the dough easier to roll thin without springing back.

  • Minimum rest: 2 hours at room temperature — gluten relaxes enough to roll
  • Ideal rest: 8–12 hours (overnight) — full hydration and smoother texture
  • Extended aging: 2–3 days refrigerated — develops deeper flavor, yellowish color
  • The dough will feel crumbly before resting; it firms up and becomes pliable after
  • Always wrap tightly to prevent drying out during the rest period
Q

What flour is best for ramen noodles?

Bread flour (12–14% protein) is the standard choice for ramen because its high gluten content produces chewy, springy noodles. All-purpose flour (10–12% protein) works for softer noodles. A 50/50 blend of bread and all-purpose gives moderate chew. Japanese ramen shops typically use specialized high-gluten flour at 13–14% protein.

  • Bread flour: 12–14% protein — strong gluten, chewy and springy noodles
  • All-purpose flour: 10–12% protein — softer, more tender noodle texture
  • 50/50 mix: blends chewiness with tenderness — good starting point for beginners
  • King Arthur bread flour (12.7%) is widely available and works well
  • Vital wheat gluten: add 1–2% to all-purpose flour to boost protein content
Q

How do I cook homemade ramen noodles?

Boil homemade ramen in a large pot of unsalted water. Thin Hakata noodles cook in 60–90 seconds, Tokyo-style in 90–120 seconds, and thick tsukemen noodles need 2–3 minutes. Stir immediately when adding noodles to prevent sticking. Do not add salt to the water because the kansui already provides mineral flavor.

  • Hakata (thin): 60–90 seconds — watch carefully, they overcook quickly
  • Tokyo (medium): 90–120 seconds — test at 90 seconds for al dente
  • Sapporo / Tsukemen (thick): 2–3 minutes — slightly chewy center is ideal
  • Use a large pot with plenty of water — at least 4 cups per serving
  • For tsukemen, rinse cooked noodles in cold water to stop cooking and firm the texture
Q

How much does it cost to make ramen noodles from scratch?

Homemade ramen noodles cost roughly $0.12–$0.20 per serving in ingredients. A standard 130 g serving uses about 96 g of flour ($0.38/lb), 2–3 g of kansui ($0.02), and 1 g of salt ($0.01). Compare that to $0.50 for instant ramen or $12–$18 for a restaurant bowl.

  • Flour cost: ~$0.004/g ($0.38/lb bread flour) — $0.08–$0.12 per serving
  • Kansui cost: ~$0.01/g (baked baking soda) — $0.02–$0.03 per serving
  • Egg cost: ~$0.25 each — adds $0.06–$0.12 when used (Sapporo, tsukemen)
  • Homemade total: $0.12–$0.20 per serving vs $0.50 instant vs $12–$18 restaurant
  • A 2 kg bag of bread flour makes roughly 15–20 servings of noodles
OptionCost / ServingQualityTime
Homemade$0.12–$0.20Restaurant-grade2+ hrs rest
Instant$0.50Processed3 min
Restaurant$12–$18ProfessionalN/A

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Last Updated: Mar 9, 2026

This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.

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