Caliber is a distinctive boys' name in United States, ranking #5246 in 2022 with 18 recorded births. This places Caliber in the top 37% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2016 with 26 births ranking #4005. In 2022, approximately 1 in every 96,910 boys born was named Caliber. FALLING Recent data shows the name is currently falling.