Title text:
They rounded down to 182.8 instead of rounding up to 182.9 because 182.9 might make the statement incorrect.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3248/
this post was submitted on 21 May 2026
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So, there's a Department of Homeland Security sign near the parking lot at the ferry.
Speed Limit 4 1/2 Miles Per Hour.
I always thought that was stupid.
Then I saw this comic and realized it must have been in KPH originally.
So I translated it myself.
7.242 KPH.
Do speedometers even measure such low speeds with anywhere near that precision?
Depends on the car. I'm sure you've got high end cars with micrometer accuracy.
Realistically, if you're driving in a parking lot you should never be looking at your speedometer. Kids, dogs, shopping carts and other hazards jump out with no warning.