How do you convert Sol to Msol?

Could you elaborate on the process of converting Solana's native token, SOL, to its millionth unit, MSOL? I'm curious about the technicalities and best practices involved in such a conversion. Is it a simple mathematical calculation, or does it require the use of specific tools or platforms? Additionally, are there any considerations or factors that should be taken into account while making such a conversion, especially in terms of security and accuracy? I'd appreciate a detailed explanation of the steps involved and any relevant tips or advice you could provide.