Swap USD1 for Tether (USDT 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 09:48
- Payout network
- Optimism
- 24 hours
- +0.01%
You get
USDT Optimism
Start the order
USDT Optimism
The figure is indicative; the exact amount is locked in the order.
One USD1 buys 1 USDT Optimism right now; the other way round, 1 USDT Optimism is 1 USD1. Market over 24 hours: USD1 against USDT Optimism plus 0.01%. The week added plus 0.01%.
The weekly corridor ran from 0.999512 to 1 USDT Optimism, a spread of 0.05%.
The payout leaves in the Optimism network, so the receiving address has to belong to that network. By market cap USD1 sits 24th ($4.34 B) and Tether 3th ($183.29 B).
Who takes the USD1 → USDT Optimism route
- A road both waysThe USDT Optimism → USD1 direction is open too, so going back into USD1 takes the same route.
USD1 → USDT Optimism rate and amounts
1 USD1 = 1 USDT Optimism
1 USDT Optimism = 1 USD1
Send USD1 — receive USDT Optimism
| USD1 | USDT Optimism |
|---|---|
| 20 | 20 |
| 100 | 100 |
| 500 | 500 |
| 5,000 | 5,000 |
| 20,000 | 20,000 |
| 100,000 | 100,000 |
Need USDT Optimism — send this much USD1
| USDT Optimism | USD1 |
|---|---|
| 20 | 20 |
| 100 | 100 |
| 500 | 500 |
| 5,000 | 5,000 |
| 20,000 | 20,000 |
| 100,000 | 100,000 |
Payout network for USDT
The same USDT goes out in several networks. Rates and lower limits differ, and the fee is charged by the network itself.
| Network | Per USD1 | From | Network fee | Speed |
|---|---|---|---|---|
| OMNI | 1 | — | — | — |
| Ethereum (ERC20) | 1 | 200 USD1 | ≈ $0.0073 | medium |
| TRON (TRC20) | 1 | 200 USD1 | ≈ $2.3 | fast |
| BNB Smart Chain (BEP20) | 1 | 200 USD1 | ≈ $0.0024 | fast |
| Solana | 1 | 200 USD1 | ≈ $0.0005 | fast |
| Polygon | 1 | 200 USD1 | ≈ $0.0017 | fast |
| Arbitrum One | 1 | 200 USD1 | ≈ $0.0032 | fast |
| TON | 1 | 200 USD1 | low | fast |
| Avalanche C-Chain | 1 | — | ≈ < $0.0001 | fast |
| NEAR | 1 | — | — | — |
| Optimism open now | 1 | — | ≈ $0.00016 | fast |
How the USD1 → USDT Optimism order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDT address in Optimism and a way to reach you.
- Send USD1 in USD1 for exactly the amount stated in the order.
- Once the network confirms your transfer, Tether leaves for your address. The order page tracks every step.
Check this before sending USD1
- The address network is Optimism. 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 USD1 to USDT Optimism rate has been
high 1 USDT Optimismlow 0.999512 USDT Optimism
Sep 10, 2026 09:51Sep 17, 2026 09:51
- 24 hours
- +0.01%
- Week
- +0.01%
- Weekly high
- 1 USDT Optimism
- Weekly low
- 0.999512 USDT Optimism
- Spread
- 0.05%
Market data from CoinGecko as of Sep 17, 2026 08:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far USD1/USDT Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.999918 | 0.999803 | 0.999862 | +0.01% |
| Week | 1 | 0.999512 | 0.999843 | +0.01% |
Figures are in USDT Optimism per unit sent, from market data.
The numbers on USD1 and USDT
USD1 USD1- Price
- $0.999043
- 24 hours
- −0.02%
- Week
- 0%
- Market cap
- $4.34 B
- 24-hour turnover
- $1.04 B
- Rank by cap
- #24
- In circulation
- 4.35 B USD1
- Record price
- $1.05
Tether USDT- Price
- $0.999181
- 24 hours
- −0.02%
- Week
- 0%
- Market cap
- $183.29 B
- 24-hour turnover
- $60.43 B
- Rank by cap
- #3
- In circulation
- 183.44 B USDT
- Record price
- $1.32
Source: CoinGecko, Sep 17, 2026 08:24.
USD1 against Tether
| USD1 (USD1) | Tether (USDT) | |
|---|---|---|
| Ticker | USD1 | USDT |
| In circulation | 4.35 B USD1 | 183.44 B USDT |
| Market cap | $4.34 B | $183.29 B |
| Rank by cap | #24 | #3 |
| Type | — | token |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
| Launched | — | 2014 |
| Built by | — | Tether Limited |
| Supply cap | — | no cap |
Common questions: USD1 → USDT Optimism
What rate does USD1 to USDT Optimism run at?
As of Sep 17, 2026 09:48 it is 1 USD1 = 1 USDT Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999181.
What else is taken on top of the rate?
The payout is already calculated at the rate in the calculator. On top of it you only pay the network fee for sending USD1, and that one goes to the blockchain, not to us.
How long does USD1 to USDT Optimism take?
The clock starts with confirmations: the order goes into work once USD1 confirms your transfer. After that it comes down to how busy the network is.
Which network will USDT Optimism arrive in?
The payout leaves in Optimism. Make sure the receiving wallet works with that network.
Where is receiving USDT cheaper?
The cheapest is usually USDT BEP20, USDT SOL, USDT Polygon, USDT Arbitrum, USDT TON, USDT AVAX C, USDT Optimism. Still, the network is chosen by what the recipient supports, not by the fee.
What if the rate moves while I am paying?
The rate is pinned to the order and does not move while the order is alive. It can be recalculated if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.
Can I go back, USDT Optimism to USD1?
Yes, the reverse direction is open: 1 USDT Optimism = 1.0002 USD1. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send USD1, receive something else
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USD1 → XTZ4.0303
USD1 → YFI0.000484098
