Danger Zone Timer

The FDA danger zone is 40–140°F (4–60°C). Food in this range for over 2 hours total must be discarded. Track exactly how long your food has been out with this real-time timer.

Food item

How long already out (min)

Risk level

Danger zone reference

USDA danger zone40°F – 140°F (4–60°C)

Maximum total time in zone2 hours cumulative

Hot day (>90°F ambient)1 hour max

Bacteria double time in zoneEvery 20 minutes

Safe fridge tempBelow 40°F (4°C)

Safe hot holding tempAbove 140°F (60°C)