Typical temperatures of fires and flames

Heat

Main article: Heat

Fires give off heat, or the process of energy transfer from one body or system due to thermal contact.

Typical temperatures of fires and flames

• Oxyhydrogen flame: 2000 °C or above (3600 °F)^[7]
• Bunsen burner flame: 1,300 to 1,600 °C (2,400 to 2,900 °F)^[8]
• Blowtorch flame: 1,300 °C (2,400 °F)^[9]
• Candle flame: 1,000 °C (1,800 °F)
• Smoldering cigarette:
  • Temperature without drawing: side of the lit portion; 400 °C (750 °F); middle of the lit portion: 585 °C (1,100 °F)
  • Temperature during drawing: middle of the lit portion: 700 °C (1,300 °F)
  • Always hotter in the middle.

Temperatures of flames by appearance

The temperature of flames with carbon particles emitting light can be assessed by their color:^[10]

• Red
  • Just visible: 525 °C (980 °F)
  • Dull: 700 °C (1,300 °F)
  • Cherry, dull: 800 °C (1,500 °F)
  • Cherry, full: 900 °C (1,700 °F)
  • Cherry, clear: 1,000 °C (1,800 °F)
• Orange
  • Deep: 1,100 °C (2,000 °F)
  • Clear: 1,200 °C (2,200 °F)
• White
  • Whitish: 1,300 °C (2,400 °F)
  • Bright: 1,400 °C (2,600 °F)
  • Dazzling: 1,500 °C (2,700 °F)