This claim is widely established, but this scan retrieved limited high-authority sources. Confidence was held to a reasonable level without marking the claim as disputed.

Verdict TRUE

TRUE — Water boils at 100°C at sea level Is Real

Verified on April 11, 2026

Standard physical constants and scientific consensus confirm that pure water boils at 100°C at sea-level pressure. At standard atmospheric pressure (1 atm), the boiling point of pure water is 100°C (212°F).

Confidence72%

How strongly independent, cited sources support this verdict.

Analysis summary

Standard physical constants and scientific consensus confirm that pure water boils at 100°C at sea-level pressure.

Evidence profile

Key findings

At standard atmospheric pressure (1 atm), the boiling point of pure water is 100°C (212°F).
The boiling point is dependent on pressure and decreases as altitude increases due to lower atmospheric pressure.

Sources

Analyzed across 2 independent publishers

Boiling point | Definition, Examples, Temperature, & Facts Britannica Boiling point Wikipedia

Citations

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