Conversion Factor Table

For more details click on the appropriate heading.

Table	Description
conversion from imperial to metric units	convert between metric and imperial and US measurement systems
conversion from metric to imperial units	convert between metric and imperial and US measurement systems
fuel conversion	conversion of fuels to kilowatt hour equivalent
conversion of fuels	convert oil, coal, electricity, etc. to cubic metres natural gas equivalent
temperature conversion	converts Fahrenheit to Celsius and vice-versa
weights and measures	miscellaneous values of weights and measures
kitchen conversions	kitchen fact file
quick energy conversions	rule of thumb energy conversions

Bureau International des Poids et Mesures	ensures world-wide uniformity of measurements and their traceability to the SI, and carries out measurement-related research.
Constants and Equations Pages	Comprehensive reference with equations and constants for science, and math.
Conversion Factors	From Process Associates of America, conversion factors for basic physical quantities plus quantities used in chemical engineering.
Dictionary of Units	A summary of most of the units of measurement to be found in use in the world today, together with the appropriate conversion factors.
Dictionary of Units	an explanation of the principle systems of units, their history, standards, and conversion factors for changing from one to the other.
eFunda: Units and Constants	A lot of information about units and unit conversion; includes also constants, information about SI, and unit prefixes.
English Weights and Measures	miscellaneous values of English weights and measures
Favorite Mathematical Constants	a  collection of mathematical constants from the old familiars such as Pi to some more esoteric constants.
The Foot Rule	collection of converters, units and measures, data tables, and facilities.
Fundamental Physical Constants	From NIST, latest values of the constants and background information.
Guide for the Use of the International System of Units	Everything you need to know about SI. A NIST special publication, available as PDF file for download.
How Many	From Russ Rowlett, University of North Carolina, a comprehensive dictionary of units of measurement covering the English customary systems, the metric system, and the International System of Weights and Measures (SI).
International System of Units (SI) .	essentials, background, and bibliography on the SI, the modern metric system
Measurement Conversions	conversion tables and equations, conversion software to download, and links.
Measuring Units Conversion Tables	convert between metric and imperial and US measurement systems.
Metric and English Unit Conversions	convert area, length, temperature, time, volume, weight, and fruit between different unit measurements.
Metric Conversion	includes weight, length, and volume.
Metric System (SI)	information on the International System.
Metrology Forum	the science of measurement or calibration and associated topics. Enlightenment to the uninitiated and soul-food to practitioners of this art.
National Institute of Standards and Technology Metric Program	helps implement the national policy to establish the metric system as the preferred system of weights and measures for U.S. trade and commerce.
Number Exchange	categories include illumination, power, pressure, and speed.
Oh, Those Confusing Gas Flow Units!	Tech tip by Anthony Herbert, Sulzer Metco, Inc. about the units used for gas flows and their conversion considering the standard conditions.