This chart gives the conversion ratios that, as a matter of [[United States]] federal law, are required to convert between the [[metric system]] and the [[US Customary System of Units]], commonly known as "the English system."
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This chart gives the conversion ratios that, as a matter of [[United States]] federal law, are required to convert between the [[metric system]] and the [[US Customary System of Units]], commonly known as "the English system", (although several US customer units have different sizes to the British units of the same name.)