Swap USD1 for USD Coin (USDC 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 16:43
- Payout network
- BASE
- 24 hours
- −0.01%
You get
USDC BASE
Start the order
USDC BASE
The figure is indicative; the exact amount is locked in the order.
The direction runs at 0.9995 USDC BASE per USD1, or 1.0005 USD1 per USDC BASE. Market over 24 hours: USD1 against USDC BASE minus 0.01%. The week added minus 0.01%.
The weekly corridor ran from 0.999323 to 0.999967 USDC BASE, a spread of 0.06%.
The payout leaves in the BASE network, so the receiving address has to belong to that network. By market cap USD1 sits 24th ($4.34 B) and USD Coin 6th ($73.56 B). Daily moves of USD1 and USDC over 90 days line up at 0.05 (they travel apart).
Who takes the USD1 → USDC BASE route
- A road both waysThe USDC BASE → USD1 direction is open too, so going back into USD1 takes the same route.
USD1 → USDC BASE rate and amounts
1 USD1 = 0.9995 USDC BASE
1 USDC BASE = 1.0005 USD1
Send USD1 — receive USDC BASE
| USD1 | USDC BASE |
|---|---|
| 20 | 19.99 |
| 100 | 99.95 |
| 500 | 499.75 |
| 5,000 | 4,997.5 |
| 20,000 | 19,990 |
| 100,000 | 99,949.99 |
Need USDC BASE — send this much USD1
| USDC BASE | USD1 |
|---|---|
| 20 | 20.01 |
| 100 | 100.05 |
| 500 | 500.2502 |
| 5,000 | 5,002.5 |
| 20,000 | 20,010.01 |
| 100,000 | 100,050.03 |
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) | 0.9995 | 200 USD1 | ≈ $0.058 | medium |
| Solana | 0.9995 | 200 USD1 | ≈ $0.0005 | fast |
| Polygon | 0.9995 | 200 USD1 | ≈ $0.0018 | fast |
| Arbitrum One | 0.9995 | — | ≈ $0.0032 | fast |
| BASE open now | 0.9995 | — | — | — |
| BNB Smart Chain (BEP20) | 0.9995 | — | ≈ $0.0024 | fast |
| Avalanche C-Chain | 0.9995 | — | ≈ < $0.0001 | fast |
| NEAR | 0.9995 | — | — | — |
| Optimism | 0.9995 | — | ≈ $0.00018 | fast |
| XLM | 0.9995 | — | — | — |
How the USD1 → USDC BASE order runs
- Work out the amount in the calculator and press the exchange button.
- Enter a USDC address in BASE 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 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 USD1 to USDC BASE rate has been
high 0.999967 USDC BASElow 0.999323 USDC BASE
Sep 10, 2026 16:43Sep 17, 2026 16:43
high 0.999985 USDC BASElow 0.999342 USDC BASE
Aug 18, 2026 03:00Sep 17, 2026 03:00
high 1.0009 USDC BASElow 0.999044 USDC BASE
Jun 19, 2026 03:00Sep 17, 2026 03:00
high 1.0014 USDC BASElow 0.996649 USDC BASE
Sep 18, 2025 03:00Sep 17, 2026 03:00
- 24 hours
- −0.01%
- Week
- −0.01%
- Weekly high
- 0.999967 USDC BASE
- Weekly low
- 0.999323 USDC BASE
- Spread
- 0.06%
Market data from CoinGecko as of Sep 17, 2026 15:54; the exchange rate is calculated separately and differs. Where these numbers come from
How far USD1/USDC BASE travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.999573 | 0.999371 | 0.999489 | −0.01% |
| Week | 0.999967 | 0.999323 | 0.999683 | −0.01% |
| Month | 0.999985 | 0.999342 | 0.999688 | +0.01% |
| Quarter | 1.0009 | 0.999044 | 0.999662 | −0.1% |
Figures are in USDC BASE per unit sent, from market data.
Daily USD1 → USDC BASE rate
| Day | Close | Against the day before |
|---|---|---|
| Sep 17, 2026 | 0.999457 USDC BASE | −0.02% |
| Sep 16, 2026 | 0.999627 USDC BASE | −0.01% |
| Sep 15, 2026 | 0.999771 USDC BASE | 0% |
| Sep 14, 2026 | 0.999738 USDC BASE | −0.01% |
| Sep 13, 2026 | 0.999809 USDC BASE | −0.01% |
| Sep 12, 2026 | 0.999873 USDC BASE | +0.04% |
| Sep 11, 2026 | 0.999448 USDC BASE | −0.01% |
The numbers on USD1 and USDC
USD1 USD1- Price
- $0.999061
- 24 hours
- −0.02%
- Week
- 0%
- Market cap
- $4.34 B
- 24-hour turnover
- $1.09 B
- Rank by cap
- #24
- In circulation
- 4.35 B USD1
- Record price
- $1.05
USD Coin USDC- Price
- $0.999571
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $73.56 B
- 24-hour turnover
- $18.85 B
- Rank by cap
- #6
- In circulation
- 73.59 B USDC
- Record price
- $1.04
Source: CoinGecko, Sep 17, 2026 15:54.
USD1 against USD Coin
| USD1 (USD1) | USD Coin (USDC) | |
|---|---|---|
| Ticker | USD1 | USDC |
| In circulation | 4.35 B USD1 | 73.59 B USDC |
| Market cap | $4.34 B | $73.56 B |
| Rank by cap | #24 | #6 |
| Type | — | token |
| Network | — | BASE |
| Launched | — | 2018 |
| Built by | — | Circle |
| Supply cap | — | no cap |
Daily moves of USD1 and USDC over 90 days line up at 0.05 — they travel apart.
Common questions: USD1 → USDC BASE
What rate does USD1 to USDC BASE run at?
As of Sep 17, 2026 16:43 it is 1 USD1 = 0.9995 USDC BASE. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999071.
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 BASE 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 BASE arrive in?
The payout leaves in BASE. 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.
What did the USD1 to USDC BASE rate do this month?
The month came in at plus 0.01%. Low 0.999342, high 0.999985, middle 0.999688 USDC BASE per USD1.
Can I go back, USDC BASE to USD1?
Yes, the reverse direction is open: 1 USDC BASE = 1.0007 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 → USDS0.9994
USD1 → USDT Arbitrum1.0001- USD1 → USDT BEP201.0001
- USD1 → USDT AVAX C1.0001
- USD1 → USDT ERC201.0001
- USD1 → USDT NEAR1.0001
- USD1 → USDT OMNI1.0001
- USD1 → USDT Optimism1.0001