Conversion factor is a term for a ratio, or fraction, or two measured quantities that are equal or equivalent in a problem. Conversion factors for fertilizer materials 1 2 to convert a b a to b b to a multiply by ammonia, nh 3 3 ammonium nitrate, nh 4no 3 4. All unit conversion factors can be written as a fraction, with one quantity on top of the fraction and. Useful conversion factors national precision bearing 8152 304th ave. Unit conversion factors are important because they are what you use to solve medication problems, like the dr. Several of the conversion factors and values shown in this handbook can be applied to many commodities. In the discussion, attention will also be given to the proposed use of conversion factorsdesigned to express primary factors and nontraded goods in world market pricesin the place of the shadow. Force conversion factors to convert from the unit in the first column to the unit in the second, multiply by the conversion factor in the third column.
Conversion of units a very neat utility that allows you to enter a value in one unit and have it converted into another unit of. Extensive reference information on units of measurements and conversion factors are contained in the following references. This is accomplished by multiplying the number by a conversion factor. Likewise, you will not find a conversion from pounds to metres the basic units must remain the. They allow you to cancel units so that the unit you start with can be changed to the unit you desire in the answer. Metric conversion factors f pittsburgh air systems. W ater measurement units and conversion factors oklahoma cooperative extension service. The process of converting units in such a formal fashion is sometimes called dimensional analysis or the factor label method. Dimensional analysis using conversion factors chem 1a dimensional analysis is used to convert the units of a number into different units.
Length unit conversion factors, distance converting table. The conversion factor is an alternate value that is used to represent a unit of measure. A conversion factor is two numbers, each with different units, which are mathematically equivalent to each other. Estimating the shadow price of foreign exchange project. Divide the desired yield by the old yield to find the conversion factor. Engineering unit conversion factors example unit conversions if you are given a measurement from the left hand side and want to convert to the units on the right hand side, just multiply your number by the given conversion factor. Conversion factors used in the european forest sector outlook study volume of roundwood underbark required to produce one cubic metre of product volume of roundwood underbark required to produce one metric tonne of product country nonconiferous sawnwood coniferous sawnwood. For example, 10 barrels are the equivalent of 420 u.
These approximate conversion factors are published as nist sp 365, which. Conversion factors are built by taking a relationship like the one above, and expressing it as a. Ratios, sometimes called conversion factors, are fractions that denote the correlation between the given unit and the desired unit. I use that when im in europe or practically the rest of the world which uses the metric system. Metric conversion tables to or from imperial measurements. Learn conversion factors with free interactive flashcards. Cubic feet are also used to measure volumes of gaseous fuels.
Theconversioh factors in the following tables are for conversion of our customary english units of measurement tosiunits,and for convenience, reciprocals are. The unity bracket method of unit conversion 1 consists of a fraction in which the denominator is equal to the numerator, but they are in different units. You can use this alternate value to define an item order or transfer quantity and storeroom balance. Therefore reliable international comparisons require dependable conversion factors. Conversion factors length, area, volume, mass, speed. All unit conversion factors can be written as a fraction, with one quantity on top of the fraction and the other quantity on the bottom of the fraction. Required memorization for test 1 of conversion factors. The latter should measure relative prices in two countries but the price measures required will depend on the purpose of the comparison. Including dimensionless numbers and scales, 6th ed. Math conversion chart metric conversions 10 millimeters 100 centimeters meters lengths i cm 1 km standard conversions 10 mm 100 cm m 12 in 3 ft 36 in 1760 yd 0. Scientific constants and conversion factors at the science. Unfortunately, you either have to memorize a few conversion factors or have a table that lists them so you can look them up.
The numerical value of the units in the when you know column are multiplied by the approximate unit conversion factor found in the multiply by column to obtain a numerical value for the units listed in. A conversion factor is a fraction or ratio that is equal to one, and can be multiplied by a quantity to change the unit measurement without changing the amount. You can use this alternate value to define an item order or. Metric and other physical conversion factors a p p e n d i x e. Metric conversion factors to convert multiply by to obtain kilograms kg 2. T 1210 sp93 units of measurement and conversion factors 2 3. The unit of measure for weight is the gram, so the measurement prefixes are kilogram, centigram, and so forth. In example 2 the number of hours was changed to miles using the conversion factor 50 mihour. Metric system conversion factors clemson university. Lesson 2c and module 3 will be helpful, but not essential, for most of the problems in module 4. We can use conversion factors when changing the unit of a given value.
To convert multiply by to obtain acres 43,560 square feet ft2 acres 0. Table 2 shows the equivalent factors to convert volume units. Dont forget that in class we will be using the metric system, not the standard system. A unit of measure describes the quantity used to measure an item, tool, or a service. Subregional differences in measurement standards and factors have also been pointed to in the hope that further investigation and cooperation will improve harmonization of data and factors. The numerical value of the units in the when you know column are multiplied by the approximate unit conversion factor found in the multiply by column to obtain a numerical value for the units listed in the to find column. This paper will examine questions relating to the estimation of the shadow price of foreign exchange for project evaluation in developing countries. To convert cubic yards to short tons, multiply the commodity production cubic yardage by the conversion factors listed below. If you are in a hurry to catch up in order to begin conversion factors, you may return to the. In the discussion, attention will also be given to the proposed use of conversion factors designed to express primary factors and nontraded goods in world market pricesin the place of the shadow.
The conversion factors presented in table e3 can be used to calculate equivalents in various physical units commonly used in energy analyses. Given that 1 kg g, and 1 mg 1,000,000 g, the two pairs of unit factors are. Chart of conversion factors usgs publications repository. Module 4 conversion factors prerequisite module 4 requires lessons 1a and 1b on exponential fundamentals and 2a and 2b on metric fundamentals.
Conversion factors conversion factors are ratios of one object to another object. Unit conversion factors quantity equivalent values mass 1 kg g 0. Metric conversion factors for fan application per amca standard september 1st, 2004 quantity english unit metric unit conversion factor volume cubic feet per minute cfm cubic meter per second m3s cubic meter per minute m3min cubic meter per hour m3hr liter per second ls 0. Density conversion factors to convert from the unit in the first column to the unit in the second, multiply by the conversion factor in the third column. Taking the example of inch in to metre m, the conversion factor is 2. The expression 3 ft 1 yd is called a conversion factor a fraction that can be used to convert a quantity from one unit to another. A pharmacy techs quick reference of pharmacy conversions. Gomez medication problem given at the start of this handout.
The first table contains ruleofthumb figures, useful for. This is the conversion for the same measuring system. Put the conversion factor on the left notice how the units line up, same units on top, same units on the bottom. Conversions are needed to convert one unit of measure into another equivalent unit of measure. The quantities can be compared in three different ways. Conversion factors a conversion factor is used to change the units of a measured quantity without changing its value. Two pages convert feet, inches and fractions of an inch to metric and from metric to feet inches and tenths of an inch. Values with an uncertainty of more than 2 % may be converted without rounding by the approximate factor. Choose from 500 different sets of conversion factors flashcards on quizlet.
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