Given the following data frame:
import pandas as pd df = pd.DataFrame( {\'A\':[\'A\',\'B\',\'C\',\'D\'], \'C\':[12355.00,12555.67,640.00,7000]
def format(x): return "${:.1f}K".format(x/1000) df = pd.DataFrame( {'A':['A','B','C','D'], 'C':[12355.00,12555.67,640.00,7000] }) df['C'] = df['C'].apply(format) print(df)