What is the difference between float And double?

Answer 1

A float takes up only 32 bits of memory and can give you 7 decimal digits whilst a double takes up 64 bits of memory and can give you 15 decimal digits and therefore is more precise but hogs more memory.

Answer 2

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Answer 3

Accuracy, but this requires more computing resources and memory.

Answer 4

additionally to what Justice said: on a regular x86_64 machine a float would be 4 Bytes and a double 8bytes assuming u know that this is equivalent to 32Bit and 64 bit respectively.