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Caramel Temperature Guide — Soft vs Hard Caramel Stages

Caramel making is pure temperature science — the texture of your finished caramel depends entirely on what temperature the sugar syrup reaches before you stop cooking. At 240°F, the sugar concentration produces a soft, chewy caramel that holds shape but bends. At 260°F, a firm caramel that's chewier. At 300°F, a hard caramel that sets into a glass-like solid. Missing your target by even 5°F produces noticeably different texture. A candy thermometer is the only way to reliably hit these precise targets.

Altitude affects candy temperatures: subtract 2°F for every 1,000 feet above sea level. At 5,000 feet (Denver), soft caramel stage is 230–238°F rather than 240–248°F. Candy thermometers calibrated at sea level should be recalibrated or adjusted if you're at high altitude — the boiling water test gives you your baseline adjustment.

Type a temperature to identify the stage

Complete Candy Temperature Stage Chart

Stage °F °C
Thread 230–235°F 110–112°C
Soft Ball 235–240°F 113–116°C
Firm Ball 245–250°F 118–121°C
Hard Ball 250–265°F 121–130°C
Soft Crack 270–290°F 132–143°C
Hard Crack 300–310°F 149–154°C
Caramel 320–360°F 160–182°C
Burnt Sugar 370+°F 188+°C

Frequently Asked Questions

What temperature is soft ball stage?
Soft ball stage is 235–240°F (113–116°C). When you drop a small amount of syrup into cold water, it forms a soft ball that flattens when removed. Used for fudge, fondant, and pralines.
What temperature is hard crack stage?
Hard crack stage is 300–310°F (149–154°C). Syrup dropped in cold water separates into hard, brittle threads. Used for lollipops, hard candy, toffee, and peanut brittle.
Can I use a meat thermometer for candy making?
Yes — if the thermometer's range includes candy temperatures. The Titan Grillers thermometer measures up to 572°F (300°C), covering all candy stages from thread through hard crack. It reads in 2–3 seconds, making it ideal for catching exact stage temperatures.
Why does altitude affect candy temperatures?
At higher altitudes, water boils at a lower temperature, so sugar syrups reach stages at lower temperatures too. For every 500 feet above sea level, subtract about 1°F from the target temperatures.

Frequently Asked Questions

What temperature for soft caramel?
Soft caramel (chewy, holds shape, slightly bendable): 240–248°F (soft ball to firm ball stage). This produces the classic caramel candy texture — soft enough to chew comfortably, firm enough to wrap individually. For flowing, sauce-like caramel: 230–235°F. For caramel apples (needs to hold shape and not run): 248–250°F.
What is the difference between soft ball and hard ball stage in candy making?
Soft ball stage (235–240°F): drop in cold water forms a soft, pliable ball that flattens when removed. Used for fudge and soft fondant. Firm ball stage (245–250°F): forms a firmer ball that holds shape but is still pliable. Used for caramels and nougat. Hard ball stage (250–265°F): forms a hard, still-pliable ball. Used for marshmallows and rock candy. Hard crack stage (300–310°F): forms brittle threads in water. Used for lollipops and brittles.
Why does my caramel turn grainy?
Grainy caramel is caused by crystallization — sugar molecules joining in a crystalline pattern rather than remaining in an amorphous glassy state. Causes: stirring after the sugar dissolves (disturbs crystallization prevention), undissolved sugar crystals on the pan sides splashing in, or corn syrup not added early enough. Prevention: brush pan sides with water during cooking, add corn syrup (an invert sugar that prevents crystallization), and don't stir after the mixture comes to a boil — swirl the pan instead.

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