Oven Spring Estimate Calculator

Work out oven spring estimate instantly with clear inputs, formula shown and shareable results.

About Oven Spring Estimate Calculator

Oven spring is the volume gain during the first minutes of baking, driven by gas expansion, carbon dioxide coming out of solution, ethanol and water vaporising, and a final burst of yeast activity before it dies. Specific volume — millilitres per gram of baked loaf — is the standard quality index, typically 4-6 mL/g for a good open loaf.

Formulas

Oven spring

Oven spring % = (baked volume - proofed volume) x 100 / proofed volume

Specific volume

Specific volume = baked volume / baked weight

Worked example

With the default values below, Oven Spring Estimate Calculator returns Oven Spring of 25.000%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Volume Entering The Ovenminimum 0 mL: 1,800 mL
Volume After Bakingminimum 0 mL: 2,250 mL
Dough Piece Weightminimum 0 g: 900 g
Bake Lossaccepts 0–40 %: 12 %

Results

Oven Spring: 25.000%
Specific Volume: 2.8409
Baked Weight: 792.000
Oven Spring Assessment: Strong oven spring

Step by step

1Values used
2Oven spring
3Specific volume
4Oven Spring= 25.000
5Specific Volume= 2.8409
6Baked Weight= 792.000
7Oven Spring Assessment= Strong oven spring

Assumptions and limits

The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
Figures are rounded for display to 4 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

What limits oven spring?

Gluten strength and extensibility, the amount of gas already generated, and crust setting. Once the crust sets, expansion stops, which is why steam early in the bake extends spring.

Why does over-proofing reduce spring?

The gluten network is already at its extensibility limit and the gas cells have coalesced, so there is no reserve capacity to expand and the structure fails instead.