Pulling the receipt…
Pulling the receipt…
MEBRO
10/31/26 · 6:28 PM UTC · 11 SOURCES
“Water boils at 100 degrees Celsius at sea level.”
HIGH CONFIDENCE
TL;DR ·Water boils at 100 °C at standard sea-level atmospheric pressure, as multiple sources confirm.
The claim is accurate. The USDA Food Safety and Inspection Service states that at sea level, water boils at 212 °F (100 °C), and that the boiling point falls as atmospheric pressure decreases with elevation . Britannica likewise says water boils at 100 °C (212 °F) at sea level, and at a lower temperature at higher altitudes . EBSCO Research Starters gives the same figures and notes that the boiling point shifts with altitude . Pew Research notes that the boiling point depends on pressure, which is consistent with the sea-level qualifier in the claim . The claim includes the necessary condition (sea level), so it is not misleading. Strictly, 100 °C applies at standard pressure (1 atm), and actual sea-level weather pressure varies slightly, but this is a minor nuance. The other sources concern sea level rise and do not bear on boiling point .
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