Note: For a pure decimal result please select 'decimal' from the options above the result. This should be reasonably accurate for weather temperatures. The Celsius temperature range was originally defined by setting zero as the temperature at which water froze. Zero degrees C was later redefined as the temperature at which ice melts. The other point at which Celsius was set — degrees Celsius — was defined as the boiling point of water.
Since its definition, the Celsius scale has been redefined to peg it to Kelvin. Fahrenheit to Celsius : Subtract 30 from the Fahrenheit temperature and then divide by two. So, using the approximation formula:. If you go through the previous formula's calculations for the exact temperature, you arrive at Celsius to Fahrenheit: To reverse the approximation and convert from 22 C to Fahrenheit, multiply by two and add You can save even more time by using predetermined conversions.
Note how the Fahrenheit and Celsius scales read the same temperature at While you're mastering these conversions, it might be interesting to learn how the Fahrenheit temperature scale came into existence. The first mercury thermometer was invented by German scientist Daniel Fahrenheit in His scale divides the freezing and boiling points of water into degrees, with 32 degrees as water's freezing point, and as its boiling point.
On Fahrenheit's scale, zero degrees was determined as the temperature of a temperature-stable brine solution of ice, water, and ammonium chloride. He based the scale on the average temperature of the human body, which he originally calculated at degrees. As noted, it's since been adjusted to Fahrenheit was the standard unit of measure in most countries until the s and s when it was replaced with the Celsius scale in a widespread conversion to the more useful metric system.
In addition to the United States and its territories, Fahrenheit is still used in the Bahamas, Belize, and the Cayman Islands for most temperature measurements. Actively scan device characteristics for identification. Use precise geolocation data. Select personalised content.
Create a personalised content profile. Measure ad performance. Select basic ads. Create a personalised ads profile. Select personalised ads. Because of the complex convesion formula people often use fahrenheit to celsius calculators to convert temperatures. Visit the Canadian holidays website for dates and info about holidays in Canada to help plan your vacations.
Quickly convert common temperatures using the fahrenheit to celsius conversion chart below:.
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