To calculate how many centimeters make up one inch, you can look at the data provided in the chart. The relationship between inches and centimeters shows that:
- 5 inches = 12.7 centimeters
- 4 inches = 10.16 centimeters
- 3 inches = 7.62 centimeters
- 2 inches = 5.08 centimeters
From this information, we can derive that:
1 inch = 2.54 centimeters
Therefore, the correct answer is 2.54 centimeters.