According to the Blockchain.info, the size is 12,107 MB right now. But it can take more space in your system.
That's fine, I was just a bit worried it would be like 50GB and I'd hit my data cap.
You should be careful about running a full node on the PC once the blockchain's sync'd. Especially if you have high bandwidth, you'll very quickly run into your limit through sharing blocks and relaying transactions.