"10-100-1000," said Felicetti. That's the ratio of salt to pasta to water. So 10 grams of salt is the right amount to cook 100 grams of pasta in 1000 milliliters of water (1000 ml = 1 liter). 100 grams of pasta is less than 1/4 pound, so to better illustrate the ratio, multiply it by 5.