Gas ovens are commonly marked in steps from 1 to 8, corresponding to: In Germany, " Stufe" (the German word for "step") is used for gas cooking temperatures. Other cooking temperature scales įrench ovens and recipes often use a scale based on the Fahrenheit scale, which itself has never been used in France: " Thermostat" (abbreviated "Th"), where Thermostat 1 equals 100 ☏ for conventional ovens, increasing by 50 ☏ for each whole number along the scale. Note that tables of temperature equivalents for kitchen use usually offer Celsius values rounded to the nearest 10 degrees, with steps of either 10 or 20 degrees between Gas Marks. It is usual to round the results of such calculations to a round number of degrees Celsius. Below Gas Mark 1 the scale markings halve at each step, each representing a decrease of 25 ☏.įor temperatures above 135 ☌ (gas mark 1) to convert gas mark to degrees Celsius ( C Oven temperatures increase by 25 ☏ (13.9 ☌) each time the gas mark increases by 1. Gas mark 1 is 275 degrees Fahrenheit (135 degrees Celsius). All dishes to be cooked are noted to be at "Regulo Mark X".Įquivalents in Fahrenheit and Celsius However, the manufacturers of the "New World" gas ranges in the mid-1930s gave away recipe books for use with their cooker, and the "Regulo" was the gas regulator. The earliest printed evidence of use of "gas mark" (with no other terms between the two words) appears to date from 1958.
The term "gas mark" was a subject of the joint BBC/ OED production Balderdash and Piffle, in May 2005. "Regulo" was a type of gas regulator used by a manufacturer of cookers however, the scale has now become universal, and the word Regulo is rarely used.
Chatterton's book Modern Cookery published in 1943: "Afternoon tea scones… Time: 20 minutes. The draft 2003 edition of the Oxford English Dictionary lists the earliest known usage of the concept as being in L. The gas mark is a temperature scale used on gas ovens and cookers in the United Kingdom, Ireland and some Commonwealth of Nations countries.
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