// Convert between Metric and Imperial units
function convertMmToInch(mm) {
	return mm * 0.039370079;
}

function convertInchToMm(inch) {
	return inch * 25.4;
}

function convertCmToInch(cm) {
	return cm * 0.39370079;
}

function convertInchToCm(inch) {
	return inch * 2.54;
}

function convertInchToM(inch) {
	return inch * 0.0254;
}

function convertMToFeet(m) {
	return m * 3.2808399;
}

function convertFeetToM(ft) {
	return ft * 0.3048;
}

function convertFeetToCm(ft) {
	return ft * 30.48;
}

function convertInchToFeet(inch) {
	return inch / 12;
}

function convertFeetToInch(ft) {
	return ft * 12;
}

function convertCmToM(cm) {
	return cm / 100;
}

function convertMToCm(m) {
	return m * 100;
}

function setUnits(outputUnits, labelClass) {
	var labelList = document.getElementsByTagName("label");
	if (labelList.length > 0) {
		for (var i = 0; i < labelList.length; i++) {
			var labelEl = labelList[i];
			if (labelEl.className == labelClass) {
				labelEl.innerHTML = outputUnits.toLowerCase();
			}
		}
	}
}