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Understanding the difference between a temperature conversion and a rate conversion is important for anyone who wishes to convert firing schedules from Fahrenheit to Celsius or vice versa.

A temperature conversion is a simple change from a temperature in one scale to a temperature in the other.
200 degrees Fahrenheit, is just over 93 degrees Celsius, while 200 degrees C is 392 F.

These conversions can be made with the one of the two calculators on this page.
Most online calculators are temperature converters, they work well when making simple temperature changes from one scale to another.
But they aren't always the best tool to use for changing firing schedules for glass.

It is important to know that a different formula needs to be used when changing rates of temperature change.
Many firing schedules use rates of temperature change increase at 200 degrees per hour; if you use a standard temperature converter to convert rates, you will not get the correct answer.

You need to do the calculation using a "Rate Converter".
This is the second calculator at the bottom of this page.
A rate of 200 degrees F would convert to around a rate of 111 degrees C.
A rate of 200 degrees C converts to a rate of 360 degrees F.
As you can see, these are different answers than the ones given by a Temperature Converter.

Confusing a temperature conversion with a rate conversion is common, but it is a pitfall that can be avoided.
The differences can cause a firing schedule that worked fine in one scale to be incorrectly converted so that it yields poor results in the other scale.

TEMPERATURE CONVERTER

The formula for converting F to C is C = (F - 32) / 1.8

The formula for converting C to F is F = C * 1.8 + 32

RATE CONVERTER

The formula for converting an F rate to a C rate is C - F / 1.8

The formula for converting a C rate to an F rate is F = C * 1.8

For your information, the / mark means divide and the * means multiply.

A bumble bee is considerably faster than a John Deere tractor!



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Have you ever come up with a good idea while working with your handmade pottery and thought that you would like to share it with others? You have? Well, why not send it to us and we will add it to the tips page for all to see.

Handmade pottery can be a very gratifying hobby that produces fun and satisfying results. For many people it's an enjoyable release that is created by working an inanimate mound of clay into a beautiful work of art that you made through your artistic abilities.

The best way of starting out is to take a few lessons from Youtube. You will probably waste quite a bit in materials when you first get started. Figuring out how to truly make handmade pottery correctly and shape into what you want it to be can be quite an ordeal. The different tools that a normal shop will have can be fun to try. You will soon see which ones you like to use the most and then when you are ready you will know which ones to buy.

With the help of the internet, you can now purchase most if not all of your ceramic and pottery tools and supplies online. We are located far from any well supplied dealers and yet working with reliable ceramic and pottery suppliers online has allowed us to recieve most of our orders within a timely manner.

When you get all set up, just enjoy the hobby and have fun at it. Some people get pretty serious and start selling their creations at craft fairs and small stores, but others just like to create items for themselves, relatives, and friends. Whichever kind of handmade pottery you desire to endeavor, enjoy the hobby and have fun doing it.

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