What is the equivalent of Yan Zi's five feet of Chu in contemporary times?

In Shang Dynasty, one foot was 16.95cm. According to this amount, people were about ten feet tall, so they were called "husbands".

One foot in the Zhou Dynasty was 23. 1 cm;

One foot in Qin dynasty was about 23.1cm;

In the Han Dynasty, one foot was about 2 1.35-23.75 cm.

Three Kingdoms, one foot is 24.2 cm today;

Southern dynasties, one foot is about 25.8 cm;

Northern Wei Dynasty, one foot is 30.9 cm;

One foot 29.6 cm in Sui Dynasty;

One foot 30.7 cm in the Tang Dynasty;

During the Song and Yuan Dynasties, one foot was 3 1.68 cm;

Woodworking in Ming and Qing dynasties was 3 1. 1cm.

So his height is 23.1x5 =115.5.