Swap USD1 for USD Coin (USDC 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 07:18
- Payout network
- Optimism
- 24 hours
- 0%
You get
USDC Optimism
Start the order
USDC Optimism
The figure is indicative; the exact amount is locked in the order.
The direction runs at 0.9998 USDC Optimism per USD1, or 1.0002 USD1 per USDC Optimism. Market over 24 hours: USD1 against USDC Optimism a move of 0%. The week added a move of 0%.
The weekly corridor ran from 0.998986 to 0.999952 USDC Optimism, a spread of 0.1%.
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 USD Coin 6th ($73.67 B).
Who takes the USD1 → USDC Optimism route
- A road both waysThe USDC Optimism → USD1 direction is open too, so going back into USD1 takes the same route.
USD1 → USDC Optimism rate and amounts
1 USD1 = 0.9998 USDC Optimism
1 USDC Optimism = 1.0002 USD1
Send USD1 — receive USDC Optimism
| USD1 | USDC Optimism |
|---|---|
| 20 | 19.996 |
| 100 | 99.98 |
| 500 | 499.9 |
| 5,000 | 4,999 |
| 20,000 | 19,996 |
| 100,000 | 99,980 |
Need USDC Optimism — send this much USD1
| USDC Optimism | USD1 |
|---|---|
| 20 | 20.004 |
| 100 | 100.02 |
| 500 | 500.1 |
| 5,000 | 5,001 |
| 20,000 | 20,004 |
| 100,000 | 100,020.01 |
Payout network for USDC
The same USDC 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 |
|---|---|---|---|---|
| Ethereum (ERC20) | 0.9998 | 200 USD1 | ≈ $0.0084 | medium |
| Solana | 0.9998 | 200 USD1 | ≈ $0.0005 | fast |
| Polygon | 0.9998 | 200 USD1 | ≈ $0.0017 | fast |
| Arbitrum One | 0.9998 | — | ≈ $0.0032 | fast |
| BASE | 0.9998 | — | — | — |
| BNB Smart Chain (BEP20) | 0.9998 | — | ≈ $0.0024 | fast |
| Avalanche C-Chain | 0.9998 | — | ≈ < $0.0001 | fast |
| NEAR | 0.9998 | — | — | — |
| Optimism open now | 0.9998 | — | ≈ $0.00016 | fast |
| XLM | 0.9998 | — | — | — |
How the USD1 → USDC Optimism order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDC 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, USD Coin 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 USDC Optimism rate has been
high 0.999952 USDC Optimismlow 0.998986 USDC Optimism
Sep 10, 2026 07:22Sep 17, 2026 07:22
- 24 hours
- 0%
- Week
- 0%
- Weekly high
- 0.999952 USDC Optimism
- Weekly low
- 0.998986 USDC Optimism
- Spread
- 0.1%
Market data from CoinGecko as of Sep 17, 2026 06:24; the exchange rate is calculated separately and differs. Where these numbers come from
How far USD1/USDC Optimism travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.999582 | 0.999456 | 0.999527 | 0% |
| Week | 0.999952 | 0.998986 | 0.999679 | 0% |
Figures are in USDC Optimism per unit sent, from market data.
The numbers on USD1 and USDC
USD1 USD1- Price
- $0.999152
- 24 hours
- −0.01%
- 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
USD Coin USDC- Price
- $0.999615
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $73.67 B
- 24-hour turnover
- $18.4 B
- Rank by cap
- #6
- In circulation
- 73.7 B USDC
- Record price
- $1.04
Source: CoinGecko, Sep 17, 2026 06:24.
USD1 against USD Coin
| USD1 (USD1) | USD Coin (USDC) | |
|---|---|---|
| Ticker | USD1 | USDC |
| In circulation | 4.35 B USD1 | 73.7 B USDC |
| Market cap | $4.34 B | $73.67 B |
| Rank by cap | #24 | #6 |
| Type | — | token |
| Network | — | Optimism |
| Fees are paid in | — | ETH |
| Launched | — | 2018 |
| Built by | — | Circle |
| Supply cap | — | no cap |
Common questions: USD1 → USDC Optimism
What rate does USD1 to USDC Optimism run at?
As of Sep 17, 2026 07:18 it is 1 USD1 = 0.9998 USDC Optimism. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999415.
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 USDC 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 USDC Optimism arrive in?
The payout leaves in Optimism. Make sure the receiving wallet works with that network.
Where is receiving USDC cheaper?
The cheapest is usually USDC SOL, USDC Polygon, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC 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, USDC Optimism to USD1?
Yes, the reverse direction is open: 1 USDC Optimism = 1.0004 USD1. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send USD1, receive something else
USD1 → USDS1
USD1 → USDT Arbitrum1- USD1 → USDT BEP201
- USD1 → USDT AVAX C1
- USD1 → USDT ERC201
- USD1 → USDT NEAR1
- USD1 → USDT OMNI1
- USD1 → USDT Optimism1