As we all know the current network fees on BTC and ETH are super low compared to last year - perfect conditions to withdraw your coins. But now I was curious: How well do the most known exchanges hold up to this? How hard to they overcharge?

Current network fees:

• BTC: 1 sat/vB ; 0.02 $
• ETH: 15 gwei ; 0.35 $

Note some overcharge on this fees is necessary for exchanges to ensure the transactions don't get stuck if the activity suddenly increases.

^{All exchanges were checked by myself today without relying on any external data. Don't trust, verify.}

Kraken:

• BTC: 0.00001 BTC / 0.17 $
• ETH: 0.00350 ETH / 4.13 $

Coinbase:

• BTC: (0.33~0.37$ according to comments) *
• ETH: 0.00033600 / 0.40 $

Binance:

• BTC: 0.0002 BTC / 3.34 $
• ETH: 0.000768 ETH / 0.91 $

KuCoin:

• BTC: 0.0005 BTC / 8.35 $
• ETH: 0.005 ETH / 5.91 $

MEXC:

• BTC: 0.0003 BTC / 5.01 $
• ETH: 0.001 ETH / 1.18 $

^\ Since I had not even a few sats in my Coinbase account I couldn't get an estimate for the fee, but since Coinbase very accuretly took the actual network price for ETH, I assume they do the same for BTC. Can someone please confirm if this is accurate?)

Summary

From what I have seen, the only clear winner here could be Coinbase which calculated about the exact ETH network fees for fast confirmation.

While Kraken has fair fees on BTC, they overcharge a lot on ETH (by x10).

The fees of Binance are rather high on BTC, but acceptable on ETH in my opinion.

MEXC is the opposite of Kraken; Rather fair ETH fees, overcharging BTC by a lot.

The biggest rip-off in this comparison is without a doubt KuCoin. They overcharge BTC by over 400x and ETH by over 15x. This is already far more than you need to overpay to ensure priority confirmation.

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Feel free to add exchanges I didn't mention here in the comments.