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How to Calculate Pasta Water Ratio

What is Pasta Water Ratio?

The ratio of pasta to water and the salt concentration of that water are the two key factors for perfectly cooked pasta. The 1L per 100g rule is the standard guideline.

Step-by-Step Guide

  1. 1Pasta to water ratio: 100g pasta per 1 litre of water (minimum recommended)
  2. 2Salt: 8-10g per litre - roughly 1 teaspoon is approximately 6g; water should taste noticeably salty
  3. 3Reserve pasta water - the starch emulsifies sauces beautifully and is frequently needed

Worked Examples

Input
100g spaghetti
Result
1 litre water, 8-10g salt; cook 8-10 minutes al dente; reserve 100ml starchy water for sauce

Frequently Asked Questions

What is Pasta Water Ratio?

The ratio of pasta to water and the salt concentration of that water are the two key factors for perfectly cooked pasta. The 1L per 100g rule is the standard guideline

How accurate is the Pasta Water Ratio calculator?

The calculator uses the standard published formula for pasta water ratio. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Pasta Water Ratio calculator use?

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Pasta Water Ratio calculator use?

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.

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