What are Calculator Wheels? They come in many shapes and sizes and we have probably all seen them at some time and called them by different names. They are the small circular plastic discs measuring about 100mm (4") in diameter that are used for calculating anything from Golf Handicaps to Pregnancy Dates or converting most imaginable units of measurement.

As Calculator Wheels are so versatile they are used by a wide variety of industries as functional tools and are often printed with a company logo and used as a Promotional Gift. Very popular in the medical industry are applications such as BMI Calculator Wheels, for measuring Body Mass Index, Body Shape Calculators, ECG Rules and Pregnancy Date Wheels which show the various key stages of pregnancy to assist the mother to be. The BMI Calculator can also be adapted for measuring the Body Mass Index of children by taking into consideration their age as well as their weight and height.

In the construction and engineering industries the Calculator Wheels are used for calculating the quantities of numerous products such as floor and wall tiles. As well as using the wheels for converting units of measurement such as weights, lengths and areas, there are many types of sliding scales which have one set of measurements on an outer sleeve and another set on a sliding panel which moves within the outer sleeve to line up the units to be converted. Some of the calculators and conversion wheels and sliders can be very complex and industry specific, typical uses would be in the air conditioning and ventilation field or in the complex area of machine tool design and manufacture.

Some of the fun Calculator Wheels are used in the hospitality and leisure industries. Golf Handicap Calculator Wheels take the stress out of a corporate golf day by making the handicap calculations easy for all types of games, they are often printed to promote one of the companies or sponsors and are an everlasting tool to be cherished by the amateur golfer. Wheels that show Cocktail recipes can be a novelty behind the home bar or a serious tool for the professional barman. A further tool for those who enjoy wine is a Red and White Wine Disc which shows a selection of poplular wines and gives a guide to the meals to which they are most suited.

When it comes to complex planning of lead times and the stages of project management, the Lead Time Calculator is yet another useful application of the revolving wheel. The dates can be notated with key factors relative to the industry, product or project type.

Look out for Calculator Wheels as you go about your daily activities and have some fun thinking about some new ways in which they could be used.