General

Temperature Converter

Enter a value in any scale — see all three simultaneously.

Temperature

From

Common Reference Points

Reference	°C	°F	K	Note
Absolute zero	-273.15	-459.67	0	Theoretical minimum temperature
Dry ice (CO₂)	-78.5	-109.3	194.65	Solid CO₂ sublimation point
Water freezes	0	32	273.15	At 1 atm pressure
Cold chain (pharma)	2	35.6	275.15	Typical vaccine storage
Refrigerator	4	39.2	277.15	Food safe storage
Room temperature	20	68	293.15	Standard HVAC setpoint
Body temperature	37	98.6	310.15	Normal human core temp
Flash point (gasoline)	-43	-45.4	230.15	Hazmat reference
Water boils	100	212	373.15	At 1 atm (sea level)
Auto-ignition (paper)	233	451.4	506.15	~451 °F — Fahrenheit 451
Steel melts	1,370	2,498	1,643.15	Approximate range

°C → °F: (°C × 9/5) + 32 · °F → °C: (°F − 32) × 5/9 · K: °C + 273.15

Reference: NIST International System of Units (SI).