The Reference Shelf · Heat, by the number

Cooking Temperature Chart

Heat is the variable that ruins more dinners than anything else. The chart below translates “medium high” and “low simmer” into actual numbers, pan-side, oven-side, grill-side, and fry-pot-side, and shows you the hand-and-water tests that match each when the thermometer is in a drawer.

I · Stovetop Methods

Stovetop Methods

Method

Pan-Searing & Pan-Frying

High-heat cooking in a pan with oil or fat

General Tests

  • Oil shimmer test - watch for oil movement patterns
  • Butter foaming test - butter should foam but not brown immediately at medium heat
Heat LevelTemperaturePractical Test
Low
Gentle warmth
250-300°F
120-150°C
Water droplet slowly evaporates
Medium-Low
Gentle cooking
300-350°F
150-175°C
Water droplet slowly dances and evaporates
Medium
Standard cooking
350-400°F
175-205°C
Water droplet dances and evaporates in 2-3 seconds
Medium-High
Hot cooking
400-450°F
205-230°C
Water droplet forms ball and rolls around
High
Very hot cooking
450-500°F
230-260°C
Water droplet instantly vaporizes with loud sizzle

Safety

  • Always heat pan gradually to prevent warping
  • Use appropriate oil with high smoke point for high heat cooking

Method

Sautéing

Quick cooking over medium heat with constant movement

General Tests

  • Butter test - butter foams but doesn't brown immediately
  • Vegetable test - vegetables should sizzle gently, not violently
Heat LevelTemperaturePractical Test
Medium
Ideal sautéing temperature
320-375°F
160-190°C
Onion sizzles gently when added

Method

Simmering

Gentle cooking in liquid just below boiling point

Heat LevelTemperaturePractical Test
Gentle Simmer
Minimal bubbling
185-190°F
85-88°C
Occasional bubbles break the surface
Regular Simmer
Steady bubbling
190-200°F
88-93°C
Steady stream of small bubbles
Rapid Simmer
Active bubbling
200-209°F
93-98°C
Active bubbling throughout

II · Grilling

Grilling

Method

Grilling

Cooking over direct heat source

General Tests

  • Hand test - hold hand 5 inches above grate and count seconds
  • Charcoal visual: Bright red with white ash (high), Orange-red with ash (medium), Dark red with thick ash (low)
Heat LevelTemperaturePractical Test
Low
Slow cooking
250-300°F
120-150°C
Hand test: 10+ seconds before moving hand
Medium-Low
Gentle grilling
300-350°F
150-175°C
Hand test: 7-8 seconds
Medium
Standard grilling
350-400°F
175-205°C
Hand test: 5-6 seconds
Medium-High
Hot grilling
400-450°F
205-230°C
Hand test: 3-4 seconds
High
Very hot grilling
450-550°F
230-290°C
Hand test: 2-3 seconds before moving hand

Safety

  • Always preheat grill for 10-15 minutes
  • Keep a spray bottle nearby for flare-ups
  • Never leave grill unattended

III · Oven Methods

Oven Methods

Method

Baking & Roasting

Dry heat cooking in an enclosed oven

General Tests

  • Paper test - place white paper in oven for 5 minutes and observe browning
  • Oven thermometer - most reliable method for accuracy
Heat LevelTemperaturePractical Test
Low
Slow roasting
200-300°F
93-150°C
Paper browns very slowly
Moderate
Standard baking
325-375°F
165-190°C
White paper turns light brown in 5 minutes
Hot
Quick roasting
400-450°F
205-230°C
White paper turns golden in 5 minutes
Very Hot
Pizza/bread baking
475-500°F
245-260°C
White paper turns dark brown in 5 minutes

Method

Broiling

High-heat cooking from above

General Tests

  • Distance test - closer to element = more intense heat
  • Bread test - slice of bread should brown quickly
Heat LevelTemperaturePractical Test
High
Intense direct heat
500-550°F
260-290°C
Bread browns in 30-60 seconds

Safety

  • Keep oven door slightly open when broiling
  • Watch food constantly to prevent burning

IV · Deep Frying

Deep Frying

Method

Deep Frying

Cooking completely submerged in hot oil

General Tests

  • Wooden spoon test - small bubbles form around handle at 350°F
  • Bread cube test - timing indicates temperature
  • Water droplet test - should sizzle vigorously but not violently
Heat LevelTemperaturePractical Test
Low
Gentle frying
325-340°F
165-170°C
Bread cube browns in 90 seconds
Medium
Standard frying
350-365°F
175-185°C
Bread cube browns in 60 seconds
High
Crispy frying
375-385°F
190-195°C
Bread cube browns in 40 seconds

Safety

  • Never fill oil more than halfway in pot
  • Keep oil below smoke point to prevent fires
  • Have lid nearby to smother potential fires

V · Specialty Methods

Specialty Methods

Method

Smoking

Low temperature cooking with wood smoke

General Tests

  • Wood chip test - should smolder steadily, not flame
  • Smoke color - thin blue smoke is ideal, white smoke indicates too much moisture
Heat LevelTemperaturePractical Test
Cold Smoking
Flavoring without cooking
68-86°F
20-30°C
Wood chips smolder without flame
Warm Smoking
Light cooking with smoke
90-120°F
32-49°C
Gentle smoke production
Hot Smoking
Full cooking with smoke
225-250°F
107-120°C
Steady smoke without flames

Method

Slow Cooking

Long, low-temperature cooking

Heat LevelTemperaturePractical Test
Low
Gentle slow cooking
190-200°F
88-93°C
Gentle bubbling around edges only
High
Faster slow cooking
280-300°F
140-150°C
More active bubbling but still gentle

Method

Sous Vide

Precision temperature cooking in water bath

General Tests

  • Digital thermometer required - no practical alternatives
  • Water circulation ensures even temperature
Heat LevelTemperaturePractical Test
Precision Range
Exact temperature control
120-185°F
49-85°C
Requires precision equipment - no alternative tests

Notes

What the numbers can’t tell you

Four caveats that change the math: altitude, dial-free tests, how heat actually spreads, and where the safety line is when things go wrong.

Altitude

Adjusting for elevation

Above 3,000 feet, atmospheric pressure drops and the chart below shifts.

  • Water boils lower (about 1°F cooler per 540 ft of elevation).
  • Bump oven temperature up 15–25°F.
  • Trim cook time 5–8 minutes per 30 minutes baked.

Without a Thermometer

Quick field tests

When the thermometer is across the kitchen, these get you close enough.

  • Water drops: a bead that dances and rolls means the pan has hit the Leidenfrost point, around 300°F.
  • Hand test: palm 5 inches above the grate, count seconds until you pull away.
  • Bread cube in oil: browns in 60 seconds at 350°F, 40 seconds at 375°F.

Heat Distribution

Where the hot spots live

Heat moves differently in every cooking surface. Move the food, not the dial.

  • Pans: the center sits over the burner, edges run cooler. Rotate or rearrange instead of cranking heat.
  • Ovens: the top rack runs warmest in most home ovens; convection equalizes it.
  • Grills: build a two-zone fire, direct for sear, indirect for finish.

Safety

When heat goes wrong

High heat fails fast. A few habits keep the kitchen on the right side of an evening.

  • Never walk away from anything over high heat, oil smokes minutes before it ignites.
  • Keep a tight-fitting lid within reach for deep fries, smother, do not douse.
  • Match the oil to the heat: avocado and refined peanut above 450°F, butter and extra-virgin olive below 350°F.
Sources & further reading

A Note on Limits

These ranges draw on USDA FSIS cooking guidance and the FDA Food Code. Burners, ovens, and grills calibrate differently, an instant-read thermometer is the only reliable referee. This guide is reference material, not a safety certification.