All measurements are METRIC. The meters are expressed to 3 places of decimals. If it is more convenient for you to work in Feet, here is a conversion aid
To convert Meters to Feet, multiply by 3.2008
To convert Meters to Inches, multiply by 39.37
To convert Feet to Meters, multiply by 0.3048
To convert Inches to Meters, multiply by 0.0254
To convert Inches to Millimeters, multiply by 25.4
To convert Millimeters to Inches, multiply by 0.03937