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Dough Temperature Calculator

Hit your target dough temperature every single bake. Enter your flour, room, and levain temperatures — this tells you the exact water temperature to mix with, so fermentation runs on schedule instead of by luck. Free, °C or °F, no signup.

Your kitchen

Measure with any kitchen thermometer. All temperatures in the same unit.
Cooler · 24°C Classic · 25°C Warmer · 26°C

Friction factor

Heat your mixing adds. Hand-mixing adds almost none.
Hand mix Stand mixer Spiral / intensive

Use this water

Updates as you type.
Water temperature
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Consistent dough is just the start

Nailing your dough temperature keeps fermentation on schedule — but a real bake day is a dozen of these decisions at once. DoughPlan turns a week of customer orders into a time-reversed bake schedule, scaled formulas, one shopping list, and cottage-food labels. Built for micro bakeries, not 400-loaf wholesalers.

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How to calculate water temperature for bread dough

Temperature is the hidden dial behind every bake. A dough that finishes mixing a few degrees warm ferments noticeably faster — so the same timeline that gave you a perfect loaf in January over-proofs by summer. The fix professionals use is desired dough temperature (DDT): you pick the dough temperature you want coming out of the mix, then adjust the one ingredient you fully control — the water — to hit it.

The temperature-factor formula

Your final dough temperature is roughly the average of everything that goes into it, plus the heat from mixing. So you add up the temperatures you can't easily change and back out the water:

Sourdough (with a levain) — 4 factors:
Water = (DDT × 4) − (flour + room + levain + friction)

Straight / yeasted dough (no preferment) — 3 factors:
Water = (DDT × 3) − (flour + room + friction)

Each "factor" is a temperature that contributes to the final dough. Sourdough has four contributors — flour, room (air), the levain, and friction — so we multiply DDT by 4. A straight dough has three, so we multiply by 3 and drop the levain term. The math works the same in °C or °F as long as every number is in the same unit; this calculator handles the conversion for you.

Friction factor: the heat from mixing

Mixing adds heat. Hand-mixing adds almost nothing — start at 0. A stand mixer adds roughly 8°C (15°F); an intensive spiral mixer 13–15°C (24–27°F). The honest way to dial this in: bake a few times, take the dough's actual temperature right after mixing, and nudge your friction number until the prediction matches reality. After two or three bakes you'll know your kitchen's number.

A worked example

Say you want a 25°C dough, your flour and room are both 21°C, your levain is 24°C, and you hand-mix (friction 0):

Water = (25 × 4) − (21 + 21 + 24 + 0)
Water = 100 − 66 = 34°C

Mix with 34°C water and your dough should land right around 25°C. In a hot summer kitchen the formula will tell you to use cold — even iced — water; in a cold one, warm water. That's exactly the point: the water does the correcting.

Don't scald your starter

One caution unique to sourdough: water much above 40°C (104°F) stresses the wild yeast and bacteria, and above about 50°C (122°F) can kill them. If the formula ever calls for very hot water, it's better to warm your flour or your kitchen the night before and keep the water comfortable. This calculator warns you when it pushes into that range.

Keep going: Levain Calculator · Baker's Percentage Calculator · Try the free DoughPlan planner