I completely understand that struggle because I spent weeks bouncing between CoinGecko, my exchange dashboard, and a currency converter, and every single one told me something slightly different. What finally solved it for me was a dedicated estimation tool that pulls live market data and applies the actual fee structure upfront so you see the net amount you would receive, not some inflated raw number. You just pick your currency, type in your SOL amount or your fiat target, and it instantly gives you a clear breakdown. The one I have been relying on is the Solana Conversion Tool https://paybis.com/solana-calculator/ , and it has made my portfolio checks and withdrawal planning so much easier. It updates in real time so I am always looking at current pricing, and it supports multiple currencies which is great because I deal with both dollars and euros depending on the transaction. I also appreciate that it shows the fee components separately, so you understand exactly what is being deducted and why, rather than just seeing a mysterious final number. I have cross checked its output against actual completed conversions and it has been spot on every time, which gave me the trust to use it for larger estimates. The interface is clean and mobile friendly, so I can check it during a quick break without pulling out my laptop. Since I started using this, I have stopped second guessing my conversion decisions and I save a ton of time that I used to waste on manual spreadsheets.