How do I swap ETH Base to USDT Optimism?

Enter an amount, add your Optimism address, get a live quote, then send ETH Base on Base to the deposit address. Your USDT Optimism arrives automatically — no account needed.

What is the ETH Base to USDT Optimism fee?

The service fee for this route is 0.50%, shown transparently in the quote before you send anything. Network fees are included in the quoted rate.

How long does a ETH Base → USDT Optimism swap take?

Most swaps settle within minutes once your Base deposit is confirmed.

Is this swap custodial?

No. CryptoRoute is non-custodial and never holds your funds or keys. Swaps route wallet-to-wallet via NEAR Intents.

What if the ETH Base to USDT Optimism swap can’t complete?

Your funds are returned to the refund address you provide before depositing.

Swap ETH on Base to USDT on Optimism

Convert ETH on Base to USDT on Optimism — live quote, 0.50% fee, non-custodial, no account or KYC.

ETH Base to USDT Optimism exchange rate

1 ETH ≈ 1,911.7119 USDT1 USDT ≈ 0.000523 ETH

24h

+0.26%

-0.70%

30d

+7.68%

30d high: 1,950.6418 USDT30d low: 1,740.8459 USDT

ETH Base/USDT Optimism rate, last 30 days. Your live quote in the widget includes the exact rate and fee.

ETH Base → USDT Optimism conversions

You send	You get (approx.)
0.1 ETH	190.2153 USDT
0.5 ETH	951.0767 USDT
1 ETH	1,902.1533 USDT
5 ETH	9,510.7665 USDT
10 ETH	19,021.5331 USDT

Estimates include the 0.50% service fee. Network fees and the live rate are reflected in the exact quote shown before you send.

Before you swap

Send only ETH on the Base network to the deposit address. EVM addresses start with “0x” and are 42 characters long. Sending any other asset or network may result in permanent loss.
Make sure your destination wallet can receive USDT on Optimism.

How this route works

1Enter an amount to see a live estimate.
2Add your Optimism recipient address — a Base refund address is required for cross-chain swaps.
3Send ETH Base on Base to the deposit address shown.
4Track status until USDT Optimism arrives on Optimism.

ETH (ETH)

token

Price$1,910.15

ETH is available on 8 networks via CryptoRoute, including Ethereum, Abstract, NEAR, Arbitrum.

USDT (USDT)

stablecoin

Price$0.999183

USDT is available on 12 networks via CryptoRoute, including Ethereum, Tron, Solana, NEAR.

Route status

All systems operational

No disruptions affecting this route right now.

Latest ETH and USDT news

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