• Time / Speed / Distance formulas
• Time / Speed / Distance variables and units
• 1:24,000 scale ruler to measure kilometers, marked at 10m interval
• 1:24,000 scale ruler to measure miles, marked at 0.01 mile interval
• Miles to Kilometers conversion scale
• Useful distance unit conversion factors
• Inches ruler, marked at 0.1 inch interval
• Millimeter ruler

Card measures 2.75" x 2.75", the same as our other "Pocket Sized" tools. Printed on 0.020" thick plastic stock. Includes a lanyard hole.