MEASUREMENTS
& CONVERSIONS
A Complete Guide
How to use this book
Measurements & Conversions is divided into 12 sections, each of which is devoted to a particular
category of facts and figures. If you know which category you wish to explore, merely turn to the table of contents to find the relevant page number.
Unit conversion index In this book, there are tables for converting units from the US units/UK imperial system of measurement to the metric system (and vice versa), and for converting one
type of unit to another within the same system. The Unit Conversion Index enables you to refer quickly to the tables in which a particular unit is converted.
Formulas
Within each section, you will find a selection of conversion formulas. These are easy-to-use formulas for common conversions; you will need to use a calculator for most of them, although many are simple, approximate conversions.
Conversion tables
Each group of units has its conversion tables: pages of quick-reference tables for all US units/UK imperial and metric measurements from meters to feet, grains to grams. These are particularly handy if you do not have a calculator. It would be impossible to accommodate
tables listing every possible conversion, so the material included is not exhaustive.
You can use the following to convert figures larger than those in the table:
(a) separate the total into its parts: e.g., to convert 1,536 units of something, first convert the largest part in the table ( 1,000) and then each remaining part (500, 30, and 6). Then add these separate conversions together to find the total conversion; or
(b) move the decimal point in your original figure until it is at the same decimal place as those in the table. Look for the nearest number to this in the table and record the appropriate conversion. Then move the decimal point the same number of places in the opposite direction to give an approximate conversion of your original number. rounded up or down to the third decimal place, and so
are not always exact.
Note also that the figures in the conversion tables are
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