Provide the U.S. values first. Follow the U.S. values with the metric equivalents in parentheses.
Examples
The system includes a 13-inch (33-centimeter) monitor.
Use this method when you install the switch and the firewall system within 50 feet (15 meters) of each other.
Exception for original metric values
When you provide the U.S. values first, you imply that the metric values are conversions and not the original specifications. If the values are originally metric, reverse this rule. List the metric values first. Follow the metric values with the U.S. values in parentheses.
Exception for marketing content and internal communications
Metric measurements are not required in marketing content and internal publications.
