Metric Conversion to and from canonical

                                const liters = {canonical: 'liters',
						metric: [{type: 'milliliters',
								  to: {divide: 1000},
								  from: {multiply: 1000}},
								{type: 'centiliters',
								  to: {divide: 100},
								  from: {multiply: 100}},
								{type: 'deciliters',
								  to: {divide: 10},
								  from: {multiply: 10}},
								{type: 'liters',
								  to: {divide: 1},
								  from: {multiply: 1}},
								{type: 'dekaliters',
								  to: {multiply: 10},
								  from: {divide: 10}},
								{type: 'hectoliters',
								  to: {multiply: 100},
								  from: {divide: 100}},
								{type: 'kiloliters',
								  to: {multiply: 1000},
								  from: {divide: 1000}}],
						standard: [{type: 'fluid ounces',
									to: {divide: 33.814},
									from: {multiply: 33.814}},
								   {type: 'gills',
									to: {divide: 8.454},
									from: {multiply: 8.454}},
								   {type: 'pints',
									to: {divide: 2.113},
									from: {multiply: 2.113}},
								   {type: 'quarts',
									to: {divide: 1.057},
									from: {multiply: 1.057}},
								   {type: 'gallons',
									to: {multiply: 3.785},
									from: {divide: 3.785}}]};
		const meters = {canonical: 'meters',
						metric: [{type: 'millimeters',
									to: {divide: 1000},
									from: {multiply: 1000}},
								{type: 'centimeters',
									to: {divide: 100},
									from: {multiply: 100}},
								{type: 'decimeters',
									to: {divide: 10},
									from: {multiply: 10}},
								{type: 'meters',
									to: {divide: 1},
									from: {multiply: 1}},
								{type: 'dekameters',
									to: {multiply: 10},
									from: {divide: 10}},
								{type: 'hectometers',
									to: {multiply: 100},
									from: {divide: 100}},
								{type: 'kilometers',
									to: {multiply: 1000},
									from: {divide: 1000}}],
						standard: [{type: 'inches',
									to: {divide: 39.37},
									from: {multiply: 39.37}},
								{type: 'feet',
									to: {divide: 3.281},
									from: {multiply: 3.281}},
								{type: 'yards',
									to: {divide: 1.094},
									from: {multiply: 1.094}},
								{type: 'miles',
									to: {multiply: 1609},
									from: {divide: 1609}}]};
		const meters_squared = {canonical: 'meters squared',
								metric: [{type: 'sq millimeters',
											to: {divide: 1000000},
											from: {multiply: 1000000}},
										{type: 'sq centimeters',
											to: {divide: 10000},
											from: {multiply: 10000}},
										{type: 'sq decimeters',
											to: {divide: 100},
											from: {multiply: 100}},
										{type: 'meters squared',
											to: {divide: 1},
											from: {multiply: 1}},
										{type: 'sq dekameters',
											to: {multiply: 100},
											from: {divide: 100}},
										{type: 'sq hectometers',
											to: {multiply: 10000},
											from: {divide: 10000}},
										{type: 'sq kilometers',
											to: {multiply: 1000000},
											from: {divide: 1000000}}],
								standard: [{type: 'sq inches',
											to: {divide: 1550},
											from: {multiply: 1550}},
										{type: 'sq feet',
											to: {divide: 10.764},
											from: {multiply: 10.764}},
										{type: 'sq yards',
											to: {divide: 1.196},
											from: {multiply: 1.196}},
										{type: 'sq miles',
											to: {multiply: 0.00000259},
											from: {divide: 0.00000259}}]};
		const meters_cubed = {  canonical: 'meters cubed',
								metric: [{type: 'cu millimeters',
											to: {divide: 1000000000},
											from: {multiply: 1000000000}},
										{type: 'cu centimeters',
											to: {divide: 1000000},
											from: {multiply: 1000000}},
										{type: 'cu decimeters',
											to: {divide: 1000},
											from: {multiply: 1000}},
										{type: 'meters cubed',
											to: {divide: 1},
											from: {multiply: 1}},
										{type: 'cu dekameters',
											to: {multiply: 1000},
											from: {divide: 1000}},
										{type: 'cu hectometers',
											to: {multiply: 1000000},
											from: {divide: 1000000}},
										{type: 'cu kilometers',
											to: {multiply: 1000000000},
											from: {divide: 1000000000}}],
								standard: [{type: 'cu inches',
											to: {divide: 61024},
											from: {multiply: 61024}},
										{type: 'cu feet',
											to: {divide: 35.315},
											from: {multiply: 35.315}},
										{type: 'cu yards',
											to: {divide: 1.308},
											from: {multiply: 1.308}},
										{type: 'cu miles',
											to: {multiply: 4168000000},
											from: {divide: 4168000000}}]};
		const metric_tons = {   canonical: 'metric tons',
								metric: [{type: 'milligrams',
											to: {divide: 1000000000},
											from: {multiply: 1000000000}},
										{type: 'centigrams',
											to: {divide: 100000000},
											from: {multiply: 100000000}},
										{type: 'decigrams',
											to: {divide: 10000000},
											from: {multiply: 10000000}},
										{type: 'grams',
											to: {divide: 1000000},
											from: {multiply: 1000000}},
										{type: 'dekagrams',
											to: {divide: 100000},
											from: {multiply: 100000}},
										{type: 'hectograms',
											to: {divide: 10000},
											from: {multiply: 10000}},
										{type: 'kilograms',
											to: {divide: 1000},
											from: {multiply: 1000}},
										{type: 'metric tons',
											to: {multiply: 1},
											from: {divide: 1}}],
								standard: [{type: 'ounces',
											to: {divide: 35274},
											from: {multiply: 35274}},
										{type: 'pounds',
											to: {divide: 2205},
											from: {multiply: 2205}},
										{type: 'tons',
											to: {divide: 1.102},
											from: {multiply: 1.102}}]};