Useful constants for capacity planning.

.pythonrc

import math,re

# binary "oodles of magnitude"
KB = 2 ** 10
MB = 2 ** 20
GB = 2 ** 30
TB = 2 ** 40
PB = 2 ** 50

# decimal "oodles of magnitude"
K = 10 ** 3
M = 10 ** 6
G = B = 10 ** 9
T = 10 ** 12
P = 10 ** 15

# date constants
SECONDS = 86400
MINUTES = SECONDS / 60