Kitchen · Food safety

Food Thermometer

A food thermometer helps you check whether cooked foods reach a safe internal temperature. This page covers simple use at home. Use USDA and FoodSafety.gov charts for temperature targets.

Watercolor illustration: older Black woman alone checking a digital food thermometer in a roast on a kitchen cutting board.

Match food, placement, cleaning

Pick a meal such as chicken, ground meat, leftovers, or a roast. Insert the thermometer into the thickest part without touching bone or the pan. Compare the reading to a trusted safe-temperature chart, then clean the probe the way the maker says.

We do not replace food-safety guidance from USDA FSIS or FoodSafety.gov. Those sources are linked below.

When a food thermometer may help

Thermometers may help when color alone is an unreliable doneness cue, when cooking for someone with higher foodborne illness risk, or when reheating leftovers. They do not replace clean hands, fridge timing, or separating raw meats.

What to compare first

Instant-read vs leave-in: speed for finished checks versus oven monitoring.

Display: large numbers that are easy to read.

Probe length: reaches thick cuts without hand near heat.

Cleaning: wash the probe the way the maker says after raw meat.

Food type, placement, and cleaning reference

Use with a trusted USDA FSIS or FoodSafety.gov temperature chart nearby.

Food type, placement, and cleaning reference
Done Food / step Placement focus Watch for Cleaning / chart note

Poultry / thick cuts

Probe in the thickest part, not on bone.

Reading seems oddly high or low.

Recheck; clean probe after raw contact.

Ground meat

Probe the center of the thickest portion.

Guessing by color only.

Compare to FoodSafety.gov / FSIS chart.

Leftovers

Check several spots after stirring or resting.

Hot rim with a cool center.

Follow chart notes; wash the probe after use.

After raw meat

Probe returns only after cleaning.

Dirty probe goes back into food.

Follow the manufacturer cleaning notes.

Tip: each row stacks as a card on phones.

Sources and references

Food temperature references used on this page.

  1. Food Thermometers USDA Food Safety and Inspection Service

    Why and how to use food thermometers.

  2. Safe temperature chart for cooked foods.

Quick note

General information only, not medical advice. If health or safety is changing quickly, talk with your doctor, therapist, or another qualified professional before you make changes.