Swap Tether (USDT Arbitrum) for Ethereum (ETH Optimism)
The calculator does the maths at the live rate, the page lists the limits and the timing. Your rate is locked the moment the order is created.
Rate as of Sep 17, 2026 00:03
- Orders from
- 100 USDT Arbitrum ≈ $99.93
- Payout network
- Optimism
- 24 hours
- +0.8%
The figure is indicative; the exact amount is locked in the order.
Today USDT Arbitrum goes for 0.000416022 ETH Optimism, and ETH Optimism goes for 2,403.72 USDT Arbitrum. Market over 24 hours: USDT Arbitrum against ETH Optimism plus 0.8%. The week added plus 4.28%.
The weekly corridor ran from 0.000380585 to 0.000418314 ETH Optimism, a spread of 9.91%. A single order takes 100 to 10,000,000 USDT Arbitrum. In dollars that is roughly $99.93.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap Tether sits 3th ($183.31 B) and Ethereum 2th ($293.66 B).
Who takes the USDT Arbitrum → ETH Optimism route
- Entering ETH from dollarsFrom USDT you step into Ethereum directly, with no coin in between and no extra fees.
- Fuel for OptimismWithout Ethereum nothing moves in Optimism — every transfer and every contract call is paid in it.
- Different basketsHolding part of the amount in Ethereum loosens a portfolio's dependence on a single coin.
USDT Arbitrum → ETH Optimism rate and amounts
Send USDT Arbitrum — receive ETH Optimism
| USDT Arbitrum | ETH Optimism |
|---|---|
| 100 | 0.0416022 |
| 500 | 0.208011 |
| 2,000 | 0.832043 |
| 5,000 | 2.0801 |
| 20,000 | 8.3204 |
| 100,000 | 41.6022 |
Need ETH Optimism — send this much USDT Arbitrum
| ETH Optimism | USDT Arbitrum |
|---|---|
| 0.05 | 120.1861 |
| 0.2 | 480.7443 |
| 0.5 | 1,201.86 |
| 2 | 4,807.44 |
| 5 | 12,018.61 |
| 20 | 48,074.43 |
Payout network for ETH
The same ETH goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.
| Network | Per USDT Arbitrum | From | Network fee | Speed |
|---|---|---|---|---|
| BNB Smart Chain (BEP20) | 0.000416022 | 100 USDT Arbitrum | ≈ $0.0023 | fast |
| Arbitrum One | 0.000416022 | 100 USDT Arbitrum | ≈ $0.001 | fast |
| Optimism open now | 0.000416022 | 100 USDT Arbitrum | ≈ < $0.0001 | fast |
| Ethereum | 0.000416022 | 100 USDT Arbitrum | ≈ $0.007 | — |
| BASE | 0.000416022 | — | — | — |
How the USDT Arbitrum → ETH Optimism order runs
- Work out the amount in the calculator: orders start at 100 USDT Arbitrum.
- Enter a ETH address in Optimism and a way to reach you.
- Send USDT Arbitrum in Arbitrum One for exactly the amount stated in the order.
- Once the network confirms your transfer, Ethereum leaves for your address. The order page tracks every step.
Check this before sending USDT Arbitrum
- The address network is Optimism. Sending through another network usually means losing the transfer.
- The transfer must not be smaller than 100 USDT Arbitrum.
- Copy the address whole, then compare the first and last characters after pasting.
- Coins go through an AML check: a flagged transfer can be held until the check is finished.
Where the USDT Arbitrum to ETH Optimism rate has been
- 24 hours
- +0.8%
- Week
- +4.28%
- Weekly high
- 0.000418314 ETH Optimism
- Weekly low
- 0.000380585 ETH Optimism
- Spread
- 9.91%
Market data from CoinGecko as of Sep 16, 2026 21:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far USDT Arbitrum/ETH Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.000418314 | 0.000409701 | 0.000416016 | +0.8% |
| Week | 0.000418314 | 0.000380585 | 0.000402777 | +4.28% |
Figures are in ETH Optimism per unit sent, from market data.
The numbers on USDT and ETH
- Price
- $0.999299
- 24 hours
- −0.02%
- Week
- −0.1%
- Market cap
- $183.31 B
- 24-hour turnover
- $63.86 B
- Rank by cap
- #3
- In circulation
- 183.44 B USDT
- Record price
- $1.32
- Price
- $2,406.59
- 24 hours
- −0.81%
- Week
- −4.2%
- Market cap
- $293.66 B
- 24-hour turnover
- $17.68 B
- Rank by cap
- #2
- In circulation
- 122.05 M ETH
- Record price
- $4,946.05
Source: CoinGecko, Sep 16, 2026 21:24.
Tether against Ethereum
| Tether (USDT) | Ethereum (ETH) | |
|---|---|---|
| Ticker | USDT | ETH |
| Type | token | coin of its own network |
| Network | Arbitrum One | Optimism |
| Fees are paid in | ETH | ETH |
| Launched | 2014 | 2015 |
| Built by | Tether Limited | Vitalik Buterin |
| Supply cap | no cap | no cap |
| In circulation | 183.44 B USDT | 122.05 M ETH |
| Market cap | $183.31 B | $293.66 B |
| Rank by cap | #3 | #2 |
| Consensus | — | Proof of Stake |
| Block | — | ~12 sec |
| Privacy | — | transfers are public |