Swap Tether (USDT ERC20) 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 07:18
- 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 USDT ERC20, or 1.0005 USDT ERC20 per USDC BASE. Market over 24 hours: USDT ERC20 against USDC BASE minus 0.01%. The week added minus 0.02%.
The weekly corridor ran from 0.999474 to 0.999997 USDC BASE, a spread of 0.05%.
The payout leaves in the BASE network, so the receiving address has to belong to that network. By market cap Tether sits 3th ($183.3 B) and USD Coin 6th ($73.67 B).
Who takes the USDT ERC20 → USDC BASE route
- A road both waysThe USDC BASE → USDT ERC20 direction is open too, so going back into USDT takes the same route.
USDT ERC20 → USDC BASE rate and amounts
1 USDT ERC20 = 0.9995 USDC BASE
1 USDC BASE = 1.0005 USDT ERC20
Send USDT ERC20 — receive USDC BASE
| USDT ERC20 | USDC BASE |
|---|---|
| 20 | 19.99 |
| 100 | 99.95 |
| 500 | 499.7501 |
| 5,000 | 4,997.5 |
| 20,000 | 19,990 |
| 100,000 | 99,950.02 |
Need USDC BASE — send this much USDT ERC20
| USDC BASE | USDT ERC20 |
|---|---|
| 20 | 20.01 |
| 100 | 100.05 |
| 500 | 500.25 |
| 5,000 | 5,002.5 |
| 20,000 | 20,010 |
| 100,000 | 100,050 |
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 USDT ERC20 | From | Network fee | Speed |
|---|---|---|---|---|
| Polygon | 0.997595 | 100 USDT ERC20 | ≈ $0.0017 | fast |
| Solana | 1.0012 | 100 USDT ERC20 | ≈ $0.0005 | fast |
| Ethereum (ERC20) | 1.0012 | 100 USDT ERC20 | ≈ $0.0084 | medium |
| 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 | — | ≈ $0.00016 | fast |
| XLM | 0.9995 | — | — | — |
How the USDT ERC20 → 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 USDT ERC20 in Ethereum (ERC20) 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 USDT ERC20
- 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 ERC20 to USDC BASE rate has been
high 0.999997 USDC BASElow 0.999474 USDC BASE
Sep 10, 2026 07:22Sep 17, 2026 07:22
- 24 hours
- −0.01%
- Week
- −0.02%
- Weekly high
- 0.999997 USDC BASE
- Weekly low
- 0.999474 USDC BASE
- Spread
- 0.05%
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 USDT ERC20/USDC BASE travelled, by period
| Period | High | Low | Middle | Net move |
|---|---|---|---|---|
| 24 hours | 0.999731 | 0.999597 | 0.999663 | −0.01% |
| Week | 0.999997 | 0.999474 | 0.999837 | −0.02% |
Figures are in USDC BASE per unit sent, from market data.
The numbers on USDT and USDC
Tether USDT- Price
- $0.999228
- 24 hours
- −0.01%
- Week
- 0%
- Market cap
- $183.3 B
- 24-hour turnover
- $60.5 B
- Rank by cap
- #3
- In circulation
- 183.44 B USDT
- Record price
- $1.32
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.
Tether against USD Coin
| Tether (USDT) | USD Coin (USDC) | |
|---|---|---|
| Ticker | USDT | USDC |
| Type | token | token |
| Network | Ethereum (ERC20) | BASE |
| Fees are paid in | ETH | — |
| Launched | 2014 | 2018 |
| Built by | Tether Limited | Circle |
| Supply cap | no cap | no cap |
| In circulation | 183.44 B USDT | 73.7 B USDC |
| Market cap | $183.3 B | $73.67 B |
| Rank by cap | #3 | #6 |
Common questions: USDT ERC20 → USDC BASE
What rate does USDT ERC20 to USDC BASE run at?
As of Sep 17, 2026 07:18 it is 1 USDT ERC20 = 0.9995 USDC BASE. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999115.
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 USDT ERC20, and that one goes to the blockchain, not to us.
How long does USDT ERC20 to USDC BASE take?
The clock starts with confirmations: the order goes into work once Ethereum (ERC20) 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 Polygon, USDC SOL, 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 BASE to USDT ERC20?
Yes, the reverse direction is open: 1 USDC BASE = 1.0007 USDT ERC20. The link sits right under the calculator.
Worth reading
Where else this can go
The other way round
Send USDT ERC20, receive something else
USDT ERC20 → USDS1.0001- USDT ERC20 → USDT Arbitrum1.0001
- USDT ERC20 → USDT BEP201.0001
- USDT ERC20 → USDT AVAX C1.0001
- USDT ERC20 → USDT NEAR1.0001
- USDT ERC20 → USDT OMNI1.0001
- USDT ERC20 → USDT Optimism1.0001
- USDT ERC20 → USDT Polygon1.0001
Receive USDC BASE, send something else
- USDT NEAR → USDC BASE0.9995
- USDT OMNI → USDC BASE0.9995
- USDT Optimism → USDC BASE0.9995
- USDT Polygon → USDC BASE0.9995
- USDT SOL → USDC BASE0.9995
- USDT TON → USDC BASE0.9995
- USDT TRC20 → USDC BASE0.9995
WIF → USDC BASE0.183761