Kitchen know-how · 2 minute read
Small-egg-sized butter in grams and ounces: Beeton 1906
Beeton's 1906 small-egg-sized butter or fat is about 1 ounce by weight, roughly 28 g. Keep small/about and distinguish weight from fluid ounces.
By TuneMyRecipe. Published .
Beeton’s 1906 revision says a piece of butter or fat about the size of a small egg weighs about one ounce. The ounce is an avoirdupois weight ounce, roughly 28 g, not a fluid ounce. Keep small and about with the answer.
Small-egg-sized butter in weight ounces and grams
This comparison appears on p. 127 of Mrs. Beeton’s Book of Household Management. It is an author-supplied shortcut for estimating a piece of fat when scales aren’t being used.
You don’t need to weigh a modern egg and then use the same weight of butter. The passage compares size and supplies its own approximate butter weight. Egg mass isn’t a conversion factor for butter.
| Amount of the source’s small-egg-sized fat | Weight ounces (avoirdupois) | Grams |
|---|---|---|
| 1 piece | About 1 oz by weight | About 28 g |
| 2 such pieces | About 2 oz by weight | About 57 g |
The second row is proportional arithmetic from the stated estimate. It doesn’t make the shape more precise or establish that two independently cut pieces would match on a scale.
When a recipe says only egg-sized
Check whether its author gives a weight elsewhere. An unqualified egg-sized piece may lack both the size word and the ounce estimate that make this example useful. Another book isn’t automatically using Beeton’s comparison.
If you’re preparing a modern adaptation from this specific statement, using the stated weight avoids another round of guessing by shape. Record the source relationship once, keeping the original description available alongside the adapted amount.
A walnut-sized or hazelnut-sized piece needs different evidence. Shrinking the egg estimate by an imagined nut-to-egg ratio would add assumptions about shape and size without resolving the source.
The old recipe measurements article explains the distinction between stated weights, vessels and qualitative descriptions. A butter weight already given in ounces can be expressed in grams directly; a cups-to-grams lookup isn’t needed for that calculation. The tools don’t automatically interpret egg-sized butter as a weight.
Source
Mrs. Beeton’s Book of Household Management, London, new revised edition, 1906, pp. 126–127. Scan. The roughly 28 g comparison uses a modern nominal avoirdupois ounce; it isn’t a measured historical butter portion.
- NIST, SI conversion factors, modern nominal unit factors used for the rounded comparisons.