Answer & explanation
The official answer, with Fermi’s reasoning step by step.
Answer & explanation
Official answer
44
packets
How to estimate it
Fermi’s official “Napkin math”
A ketchup packet is a barely-there squirt, maybe a third of an ounce. The classic glass bottle is 14 ounces. So how many squirts is that?
- Glass bottle
- 14 oz
- One packet
- ÷ 0.3 oz
- 14 ÷ 0.3
- ≈ 47
A ketchup packet is a barely-there squirt, call it 10 grams. The classic glass bottle holds about 400 grams. So how many squirts is that?
- Glass bottle
- ~400 g
- One packet
- ÷ 10 g
- 400 ÷ 10
- ≈ 40
Rounded assumptions may give a slightly different estimate. The official answer above is the game’s reference value.
Source calculation & reference
- Heinz glass bottle
- = 14 oz = 397 g
- Heinz foodservice portion packet
- = 9 g
- 397 ÷ 9
- ≈ 44 packets
Reference cited by Fermi: Heinz foodservice portion packet spec and glass bottle spec
How close was your guess?
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Compare by ratio: divide the larger number by the smaller one. The closer to 1×, the better.