How would I set the y axis to be in millions?

Question

Hi I am wondering how you'd set the y axis of a graph to be millions so instead of it showing 5e7 it would show 50 in the same position. Thank you

Answer 1

You can use tick formatters to show the numbers in millions like shown below

import numpy as np
import matplotlib.ticker as ticker

@ticker.FuncFormatter
def million_formatter(x, pos):
    return "%.1f M" % (x/1E6)


x = np.arange(1E7,5E7,0.5E7)
y = x
fig, ax = plt.subplots()

ax.plot(x,y)

ax.xaxis.set_major_formatter(million_formatter)
ax.yaxis.set_major_formatter(million_formatter)

ax.set_xlabel('X in millions')
ax.set_ylabel('Y in millions')

plt.xticks(rotation='45')

plt.show

which results in