Template:Size/doc

{	"params": { "1": {			"label": "width", "description": "passed through to undefined undefined", "type": "number", "required": true },		"2": {			"label": "height", "description": "passed through to undefined undefined", "type": "number", "suggested": true },		"3": {			"label": "input unit", "description": "passed through to undefined undefined", "type": "line", "suggestedvalues": [ "mm", "cm", "dm", "m", "in", "pt", "ft" ],			"default": "mm" },		"4": {			"label": "output unit", "description": "passed through to undefined undefined", "type": "line", "suggestedvalues": [ "mm", "cm", "dm", "m", "in", "ft", "yd" ],			"default": "in" },		"5": {			"description": "passed through to undefined undefined", "type": "line" },		"6": {			"description": "passed through to undefined undefined", "type": "line" },		"d": { "label": "display style", "description": "passed through to undefined undefined", "type": "line", "suggestedvalues": [ "table", "tablecen" ],			"default": "tablecen" },		"a": { "label": "unit display", "description": "passed through to undefined undefined", "type": "line", "suggestedvalues": [ "on", "off", "in", "none", "out", "unit", "values", "~"			],			"default": "values" },		"f": { "label": "significant figures", "type": "number", "suggestedvalues": [ "0",				"2",				"4"			],			"default": "3" },		"s": { "label": "sortable", "type": "boolean", "default": "off" },		"p": { "label": "parts", "description": "fraction denominator", "type": "number", "suggestedvalues": [ "2",				"4",				"8",				"16",				"32",				"12"			],			"autovalue": "24 for inches" },		"o": { "label": "order", "description": "flip inut and output", "type": "line", "suggestedvalues": [ "flip" ]		},		"ar": { "label": "aspect ratio", "description": "passed through to to override calculated value", "type": "line" },		"c": { "label": "decimal group symbol", "description": "passed through to undefined undefined to show a comma between groups of three digits", "type": "line", "suggestedvalues": [ "5",				"gap", "off" ],			"default": "5" }	},	"description": "adds table cells with dimensions, sorts by area", "paramOrder": [ "d", "1",		"2",		"3",		"4",		"o", "p", "a", "f", "c", "s", "5",		"6",		"ar" ] }

This template is mostly a wrapper for convert, primarily for use in tables.