Swap Tether (USDT Optimism) for Ethereum (ETH BASE)
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 05:48
- Payout network
- BASE
- 24 hours
- −0.88%
Today USDT Optimism goes for 0.000412752 ETH BASE, and ETH BASE goes for 2,422.76 USDT Optimism. Market over 24 hours: USDT Optimism against ETH BASE minus 0.88%. The week added plus 3.18%.
The weekly corridor ran from 0.000380585 to 0.000418451 ETH BASE, a spread of 9.95%.
The payout leaves in the BASE network, so the receiving address has to belong to that network. By market cap Tether sits 3th ($183.32 B) and Ethereum 2th ($295.59 B).
Who takes the USDT Optimism → ETH BASE route
- Entering ETH from dollarsFrom USDT you step into Ethereum directly, with no coin in between: over the past month ETH moved +27.59%.
- Fuel for BASEWithout Ethereum nothing moves in BASE — 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 Optimism → ETH BASE rate and amounts
Send USDT Optimism — receive ETH BASE
| USDT Optimism | ETH BASE |
|---|---|
| 20 | 0.00825504 |
| 100 | 0.0412752 |
| 500 | 0.206376 |
| 5,000 | 2.0638 |
| 20,000 | 8.255 |
| 100,000 | 41.2752 |
Need ETH BASE — send this much USDT Optimism
| ETH BASE | USDT Optimism |
|---|---|
| 0.005 | 12.1138 |
| 0.02 | 48.4553 |
| 0.1 | 242.2764 |
| 1 | 2,422.76 |
| 5 | 12,113.82 |
| 20 | 48,455.27 |
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 Optimism | From | Network fee | Speed |
|---|---|---|---|---|
| BASE open now | 0.000412752 | — | — | — |
| Ethereum | 0.000412752 | 200 USDT Optimism | ≈ $0.0027 | — |
| BNB Smart Chain (BEP20) | 0.000412752 | 200 USDT Optimism | ≈ $0.0024 | fast |
| Arbitrum One | 0.000412752 | 200 USDT Optimism | ≈ $0.001 | fast |
| Optimism | 0.000412752 | 200 USDT Optimism | ≈ < $0.0001 | fast |
How the USDT Optimism → ETH BASE order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a ETH address in BASE and a way to reach you.
- Send USDT Optimism in Optimism 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 Optimism
- The address network is BASE. Sending through another network usually means losing the transfer.
- 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 Optimism to ETH BASE rate has been
- 24 hours
- −0.88%
- Week
- +3.18%
- Weekly high
- 0.000418451 ETH BASE
- Weekly low
- 0.000380585 ETH BASE
- Spread
- 9.95%
Market data from CoinGecko as of Sep 17, 2026 03:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far USDT Optimism/ETH BASE travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.000418451 | 0.000412845 | 0.000416587 | −0.88% |
| Week | 0.000418451 | 0.000380585 | 0.000403209 | +3.18% |
Figures are in ETH BASE per unit sent, from market data.
The numbers on USDT and ETH
- Price
- $0.999319
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $183.32 B
- 24-hour turnover
- $60.03 B
- Rank by cap
- #3
- In circulation
- 183.44 B USDT
- Record price
- $1.32
- Price
- $2,422.03
- 24 hours
- +0.88%
- Week
- −1.4%
- Market cap
- $295.59 B
- 24-hour turnover
- $15.87 B
- Rank by cap
- #2
- In circulation
- 122.05 M ETH
- Record price
- $4,946.05
Source: CoinGecko, Sep 17, 2026 03:24.
Tether against Ethereum
| Tether (USDT) | Ethereum (ETH) | |
|---|---|---|
| Ticker | USDT | ETH |
| Type | token | coin of its own network |
| Network | Optimism | BASE |
| Fees are paid in | 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 | $183.32 B | $295.59 B |
| Rank by cap | #3 | #2 |
| Consensus | — | Proof of Stake |
| Block | — | ~12 sec |
| Privacy | — | transfers are public |