what size is kb and mb
1 MB=1000KB (or 1024 KB, depending on who you ask)=1000000 bytes. 1 GB=1000 MB=1000000KB=1000000000 bytes. So 1MB>1KB, by a factor of 100x, but compared to your storage device (and RAM), 1 MB is still tiny and 1kb is probably completely negligible.