Convert FPKM value to FPK value

Question

[mike]

Hello,

Lets say I have gene_exp.diff file with comparison of two conditions (each condition has 3 replicates). How can I convert FPKM value in gene_exp.diff file to FPK value?

Thanks

Answer 1

[Devon Ryan]

Multipy by one million.

[mike]

Why shall I multiply it by one million? Please give me an explanation

[Adrian Pelin]

The M stands for million in FPKM. So, it's fragments per million reads. To get FPK, you multiply by 1,000,000