That totally depends on the size of the packet.
Average individual serving packets are .5grams:
http://tinyurl.com/ku5qcz Link may expire, Google single serving salt packet (individual, single serving).
6 teaspoons.
About 5.5 teaspoons.
There are 21 teaspoons of salt in 100 grams.
1 gram is about 0.211 teaspoons So if you have 100 grams of yeast in a packet then it's about 21 teaspoons
Approximately 3.486 teaspoons.
That is approximately 122.285 teaspoons of salt.
There are 288 teaspoons in a 3 lb bag of salt.
that is 8 teaspoons.
Approximately 5 teaspoons
That is approximately 0.92 teaspoons
That is approximately 1.9 teaspoons.
There are approximately 0.1 teaspoons in 490mg of salt.