Swap USD Coin (USDC BASE) for Tether (USDT ERC20)

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 10:38

Orders from
200 USDC BASE ≈ $199.92
Payout network
Ethereum (ERC20)
24 hours
+0.01%
You get 2,001.6 USDT ERC20
Start the order
Rate
1 USDC BASE = 1.0008 USDT ERC20
From
200 USDC BASE
Up to
10,000,000 USDC BASE

The figure is indicative; the exact amount is locked in the order.

Today USDC BASE goes for 1.0008 USDT ERC20, and USDT ERC20 goes for 0.999201 USDC BASE. Market over 24 hours: USDC BASE against USDT ERC20 plus 0.01%. The week added plus 0.02%.

The weekly corridor ran from 1 to 1.0005 USDT ERC20, a spread of 0.05%. A single order takes 200 to 10,000,000 USDC BASE. In dollars that is roughly $199.92.

The payout leaves in the Ethereum (ERC20) network, so the receiving address has to belong to that network. By market cap USD Coin sits 6th ($73.69 B) and Tether 3th ($183.29 B). Daily moves of USDC and USDT over 90 days line up at 0.16 (they travel apart).

Who takes the USDC BASE → USDT ERC20 route

  • A road both waysThe USDT ERC20 → USDC BASE direction is open too, so going back into USDC takes the same route.

USDC BASE → USDT ERC20 rate and amounts

1 USDC BASE = 1.0008 USDT ERC20
1 USDT ERC20 = 0.999201 USDC BASE

Send USDC BASE — receive USDT ERC20

USDC BASEUSDT ERC20
200200.16
1,0001,000.8
2,0002,001.6
10,00010,008
20,00020,016
100,000100,080

Need USDT ERC20 — send this much USDC BASE

USDT ERC20USDC BASE
500499.6003
1,000999.2006
5,0004,996
10,0009,992.01
50,00049,960.03
100,00099,920.06

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.

NetworkPer USDC BASEFromNetwork feeSpeed
OMNI1.0008
Ethereum (ERC20) open now1.0008200 USDC BASE≈ $0.0089medium
TRON (TRC20)1.0008200 USDC BASE≈ $2.3fast
BNB Smart Chain (BEP20)1.0008200 USDC BASE≈ $0.0024fast
Solana1.0008200 USDC BASE≈ $0.0005fast
Polygon1.0008200 USDC BASE≈ $0.0017fast
Arbitrum One1.0008200 USDC BASE≈ $0.0032fast
TON1.0008200 USDC BASElowfast
Avalanche C-Chain1.0008≈ < $0.0001fast
NEAR1.0008
Optimism1.0008≈ $0.00016fast

How the USDC BASE → USDT ERC20 order runs

  1. Work out the amount in the calculator: orders start at 200 USDC BASE.
  2. Enter a USDT address in Ethereum (ERC20) and a way to reach you.
  3. Send USDC BASE in BASE for exactly the amount stated in the order.
  4. Once the network confirms your transfer, Tether leaves for your address. The order page tracks every step.

Swap USDC BASE for USDT ERC20

Check this before sending USDC BASE

  • The address network is Ethereum (ERC20). Sending through another network usually means losing the transfer.
  • The transfer must not be smaller than 200 USDC BASE.
  • 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 USDC BASE to USDT ERC20 rate has been

high 1.0005 USDT ERC20low 1 USDT ERC20
Sep 10, 2026 10:40Sep 17, 2026 10:40
high 1.0004 USDT ERC20low 0.999785 USDT ERC20
Aug 18, 2026 03:00Sep 17, 2026 03:00
high 1.0007 USDT ERC20low 0.999785 USDT ERC20
Jun 19, 2026 03:00Sep 17, 2026 03:00
high 1.0032 USDT ERC20low 0.998284 USDT ERC20
Sep 18, 2025 03:00Sep 17, 2026 03:00
24 hours
+0.01%
Week
+0.02%
Weekly high
1.0005 USDT ERC20
Weekly low
1 USDT ERC20
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 USDC BASE/USDT ERC20 travelled, by period

PeriodHighLowMiddleNet move
24 hours1.00041.00031.0003+0.01%
Week1.000511.0002+0.02%
Month1.00040.9997851.00010%
Quarter1.00070.9997851.00030%

Figures are in USDT ERC20 per unit sent, from market data.

Daily USDC BASE → USDT ERC20 rate

DayCloseAgainst the day before
Sep 17, 20261.0004 USDT ERC20+0.01%
Sep 16, 20261.0003 USDT ERC20+0.03%
Sep 15, 20261 USDT ERC20−0.01%
Sep 14, 20261.0002 USDT ERC20+0.01%
Sep 13, 20261.0001 USDT ERC200%
Sep 12, 20261 USDT ERC20−0.02%
Sep 11, 20261.0002 USDT ERC200%

The numbers on USDC and USDT

USD Coin USDC
Price
$0.999596
24 hours
−0.01%
Week
0%
Market cap
$73.69 B
24-hour turnover
$18.44 B
Rank by cap
#6
In circulation
73.72 B USDC
Record price
$1.04
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.

USD Coin against Tether

USD Coin (USDC)Tether (USDT)
TickerUSDCUSDT
Typetokentoken
NetworkBASEEthereum (ERC20)
Launched20182014
Built byCircleTether Limited
Supply capno capno cap
In circulation73.72 B USDC183.44 B USDT
Market cap$73.69 B$183.29 B
Rank by cap#6#3
Fees are paid inETH

Daily moves of USDC and USDT over 90 days line up at 0.16 — they travel apart.

Common questions: USDC BASE → USDT ERC20

What rate does USDC BASE to USDT ERC20 run at?
As of Sep 17, 2026 10:38 it is 1 USDC BASE = 1.0008 USDT ERC20. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.99998.
What amounts does USDC BASE → USDT ERC20 accept?
From 200 to 10,000,000 USDC BASE per order. The lower limit is roughly $199.92.
Where does the 200 USDC BASE floor come from?
Network fees and order handling eat a small transfer alive — below 200 USDC BASE the swap stops making sense for either side.
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 USDC BASE, and that one goes to the blockchain, not to us.
How long does USDC BASE to USDT ERC20 take?
The clock starts with confirmations: the order goes into work once BASE confirms your transfer. After that it comes down to how busy the network is.
Which network will USDT ERC20 arrive in?
The payout leaves in Ethereum (ERC20). 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.
What did the USDC BASE to USDT ERC20 rate do this month?
The month came in at a move of 0%. Low 0.999785, high 1.0004, middle 1.0001 USDT ERC20 per USDC BASE.
Can I go back, USDT ERC20 to USDC BASE?
Yes, the reverse direction is open: 1 USDT ERC20 = 0.9994 USDC BASE. The link sits right under the calculator.

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