Kubernetes Quantities

A Kubernetes Quantity is a number with an optional unit suffix, used throughout Kubernetes to express resource amounts such as memory, storage, and CPU.

Suffixes

Quantities use either binary (power-of-two) or decimal (power-of-ten) suffixes:

Suffix	Meaning	Example
m	milli-	100m = 0.1
Ki	kibi-	1Ki = 1024
Mi	mebi-	24Mi = 25165824
Gi	gibi-	1Gi = 1073741824
Ti	tebi-	4Ti = 4398046511104
Ei	exbi-	1Ei = 1152921504606846976
k	kilo-	1k = 1000
M	mega-	1M = 1000000
T	tera-	5T = 5000000000000
P	peta-	1P = 1000000000000000

A plain integer with no suffix is interpreted as a count of the base unit (e.g. bytes for memory).

Binary vs. decimal suffixes

Binary and decimal suffixes are not interchangeable. 1G is 1000000000, while 1Gi is 1073741824.

Values below 1

Some quantities don’t make sense to have less than 1 of them, so you wouldn’t use m as a suffix. Take care not to confuse m (milli-) with M (mega-).