Tether (USDT SOL) → USD Coin (USDC BASE)

The order runs on autopilot: the rate is locked when you create it, and the payout leaves as soon as the network confirms your transfer. No manual approval, no working hours.

Rate and amounts for USDT SOL → USDC BASE 1 USDT SOL = 0.9998 USDC BASE 1 USDC BASE = 1.0002 USDT SOL

Rate as of Sep 30, 2026 17:40

Orders from
100.67 USDT SOL ≈ $100.63
Payout network
BASE
24 hours
0%
You get 1,999.6 USDC BASE
Create the order
Rate
1 USDT SOL = 0.9998 USDC BASE
From
100.67 USDT SOL
Up to
10,000,000 USDT SOL

Preliminary figure: the final amount is locked in the order.

The direction is holding at 0.9998 USDC BASE per 1 USDT SOL (1.0002 USDT SOL per 1 USDC BASE). Over 24 hours USDT SOL/USDC BASE came in at about 0%. Over the week, minus 0.01%.

The weekly range ran from 0.999785 to 1 USDC BASE, a spread of 0.02%. One order takes from 100.67 to 10,000,000 USDT SOL. In dollars that is roughly $100.63.

The robot sends the payout in the BASE network, so the address has to belong to that network — a transfer to another one will not arrive. Market capitalisation puts Tether at No. 3 ($183.8 B) and USD Coin at No. 6 ($74.34 B). Over 90 days the daily moves of USDT and USDC correlate at 0.17 (they travel apart).

Which network USDC arrives in

The same USDC goes out in several networks. Each has its own rate and its own floor, and the fee is charged by the network itself.

NetworkPer 1 USDT SOLFromNetwork feeSpeed
Ethereum (ERC20)0.9998100.67 USDT SOL≈ $0.14medium
Solana0.9998100.67 USDT SOL≈ $0.0006fast
Arbitrum One0.9998100.67 USDT SOL≈ $0.0036fast
BASE open0.9998100.67 USDT SOL——
BNB Smart Chain (BEP20)0.9998100.67 USDT SOL≈ $0.0025fast
Avalanche C-Chain0.9998100.67 USDT SOL≈ $0.0043fast
NEAR0.9998100.67 USDT SOL——
Optimism0.9998100.67 USDT SOL≈ $0.00022fast
Polygon0.9998100.67 USDT SOL≈ $0.0021fast
XLM0.9998100.67 USDT SOL——

Rate and amounts for USDT SOL → USDC BASE

USDT SOLUSDC BASE
200199.96
1,000999.8
2,0001,999.6
10,0009,998
20,00019,996
100,00099,980
USDC BASEUSDT SOL
200200.04
1,0001,000.2
2,0002,000.4
10,00010,002
20,00020,004
100,000100,020

How the USDT SOL → USDC BASE exchange runs

  1. Work out the amount in the calculator — orders start at 100.67 USDT SOL.
  2. Give a USDC address on BASE and a contact for the order.
  3. Send USDT SOL on Solana, exactly the amount the order shows.
  4. Nothing else is needed from you: as soon as the network confirms the transfer, the robot sends USD Coin to your address. The order page shows the status.

Swap USDT SOL for USDC BASE

Check this before sending USDT SOL

  • The address network is BASE. Sending through another network almost always means losing the transfer.
  • The transfer must not be smaller than 100.67 USDT SOL.
  • Copy the address in full, then check its first and last characters once it is pasted.
  • Send exactly the amount stated in the order: the automation matches your payment against it, and any difference sends the order back for recalculation.

How the USDT SOL to USDC BASE rate has moved

high 1 USDC BASElow 0.999785 USDC BASE
Sep 23, 2026 17:45Sep 30, 2026 17:45
high 1.0002 USDC BASElow 0.999645 USDC BASE
Aug 31, 2026 05:00Sep 30, 2026 05:00
high 1.0002 USDC BASElow 0.999423 USDC BASE
Jul 2, 2026 05:00Sep 30, 2026 05:00
high 1.0017 USDC BASElow 0.996801 USDC BASE
Oct 1, 2025 05:00Sep 30, 2026 05:00
24 hours
0%
Week
−0.01%
Weekly high
1 USDC BASE
Weekly low
0.999785 USDC BASE
Spread
0.02%

Market data from CoinGecko as of Sep 30, 2026 17:27. The exchange rate is worked out separately and differs from the market one. How these numbers are counted

The USDT SOL/USDC BASE spread by period

PeriodHighLowMiddlePeriod result
24 hours0.999890.9997940.9998270%
Week10.9997850.999901−0.01%
Month1.00020.9996450.999909−0.02%
Quarter1.00020.9994230.999758+0.03%

Figures are in USDC BASE per unit of the currency you send, taken from market data.

Daily USDT SOL → USDC BASE rate

DayCloseAgainst the day before
Sep 30, 20260.999812 USDC BASE0%
Sep 29, 20260.999795 USDC BASE−0.01%
Sep 28, 20260.999929 USDC BASE0%
Sep 27, 20260.999954 USDC BASE0%
Sep 26, 20260.999926 USDC BASE0%
Sep 25, 20260.999876 USDC BASE−0.01%
Sep 24, 20260.999972 USDC BASE0%

Market data: USDT and USDC

Tether USDT
Price
$0.999632
24 hours
−0.01%
Week
−0.02%
Market cap
$183.8 B
24-hour turnover
$55.25 B
Rank by cap
#3
In circulation
183.87 B USDT
All-time high
$1.32
USD Coin USDC
Price
$0.999821
24 hours
−0.01%
Week
−0.01%
Market cap
$74.34 B
24-hour turnover
$16.05 B
Rank by cap
#6
In circulation
74.35 B USDC
All-time high
$1.04

Source: CoinGecko, Sep 30, 2026 17:27.

Tether and USD Coin: how they differ

Tether (USDT)USD Coin (USDC)
TickerUSDTUSDC
Typetokentoken
NetworkSolanaBASE
Fees are paid inSOL—
Launched20142018
Built byTether LimitedCircle
Supply capno capno cap
In circulation183.87 B USDT74.35 B USDC
Market cap$183.8 B$74.34 B
Rank by cap#3#6

Daily moves of USDT and USDC over the quarter link at 0.17 (they travel apart).

Why people take the USDT SOL → USDC BASE route

  • It works both waysThe USDC BASE → USDT SOL direction is open as well — going back into USDT takes the same route and the same automation.

Common questions: USDT SOL → USDC BASE

What rate does USDT SOL to USDC BASE run at?
As of Sep 30, 2026 17:40 it is 1 USDT SOL = 0.9998 USDC BASE. The figure updates on its own, and the calculator always shows the current one. On the market that is around $0.999621.
What amounts does USDT SOL → USDC BASE accept?
From 100.67 to 10,000,000 USDT SOL per order. The floor is roughly $100.63.
Why can I not swap less than 100.67 USDT SOL?
The network fee and the handling do not depend on the amount. On a transfer below 100.67 USDT SOL they eat a noticeable share of it, and the swap stops making sense for either side.
Is anything charged on top of the rate?
No. The payout is already worked out at the rate in the calculator. Separately you pay only the network fee for sending USDT SOL, and the blockchain takes that one.
How long does swapping USDT SOL for USDC BASE take?
The clock starts with confirmations: as soon as Solana confirms your transfer, the order goes out for payout with no operator involved. After that the timing is set by how busy the network is — which is the difference between quick and instant.
Which network will USDC BASE arrive in?
The payout goes out on BASE. Check that the receiving wallet supports that network.
Which network is cheaper for receiving USDC?
Usually USDC SOL, USDC Arbitrum, USDC BEP20, USDC AVAX C, USDC Optimism, USDC Polygon works out cheaper. Still, the network is picked by what the recipient accepts, not by the fee.
What happens if the rate moves while I am paying?
Nothing: the rate is locked in the order and holds for as long as the order is alive. It is recalculated only if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.
What did the USDT SOL to USDC BASE rate do over the month?
Over the month, minus 0.02%: a low of 0.999645, a high of 1.0002, an average of 0.999909 USDC BASE per 1 USDT SOL.
Can I swap back, USDC BASE for USDT SOL?
Yes, the reverse is open too: 1 USDC BASE = 1.0002 USDT SOL. The link to switch sits under the calculator.

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