Stablecoins from Arbitrum One to Ethereum: USDC Arbitrum → USDT ERC20

Q: What rate does USDC Arbitrum to USDT ERC20 run at?

As of Sep 17, 2026 14:33 it is 1 USDC Arbitrum = 1.0005 USDT ERC20. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999622.

Q: What amounts does USDC Arbitrum → USDT ERC20 accept?

From 200 to 10,000,000 USDC Arbitrum per order. The lower limit is roughly $199.91.

Q: Where does the 200 USDC Arbitrum floor come from?

Network fees and order handling eat a small transfer alive — below 200 USDC Arbitrum the swap stops making sense for either side.

Q: 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 Arbitrum, and that one goes to the blockchain, not to us.

Q: How long does USDC Arbitrum to USDT ERC20 take?

The clock starts with confirmations: the order goes into work once Arbitrum One confirms your transfer. After that it comes down to how busy the network is. A block in Arbitrum One closes in about 0.25 sec.

Q: Will native USDT arrive, or a wrapper?

USDT ERC20 is the standard USDT token in Ethereum — exactly what exchanges send when they withdraw into this network.

Q: Do I need ETH to receive USDT ERC20?

Not to receive. ETH comes into play later, when you want to send USDT from your address.

Q: What is wrong with the official Arbitrum One bridge?

The official withdrawal from Arbitrum One to Ethereum waits around seven days — that is the challenge period of an optimistic rollup. Here USDT ERC20 arrives as soon as the order is processed.

Q: Which network will USDT ERC20 arrive in?

The payout leaves in Ethereum (ERC20). Make sure the receiving wallet works with that network.

Q: 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.

Today USDC Arbitrum goes for 1.0005 USDT ERC20, and USDT ERC20 goes for 0.9995 USDC Arbitrum. Market over 24 hours: USDC Arbitrum against USDT ERC20 plus 0.01%. The week added plus 0.04%.

The weekly corridor ran from 1 to 1.0004 USDT ERC20, a spread of 0.04%. A single order takes 200 to 10,000,000 USDC Arbitrum. In dollars that is roughly $199.91.

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 ($73.6 B) and Tether 3th ($183.28 B). Daily moves of USDC and USDT over 90 days line up at 0.16 (they travel apart).

Who takes the USDC Arbitrum → USDT ERC20 route

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

USDC Arbitrum → USDT ERC20 rate and amounts

1 USDC Arbitrum = 1.0005 USDT ERC20

1 USDT ERC20 = 0.9995 USDC Arbitrum

Send USDC Arbitrum — receive USDT ERC20

USDC Arbitrum	USDT ERC20
200	200.1
1,000	1,000.5
2,000	2,001
10,000	10,005
20,000	20,010
100,000	100,050

Need USDT ERC20 — send this much USDC Arbitrum

USDT ERC20	USDC Arbitrum
500	499.7501
1,000	999.5002
5,000	4,997.5
10,000	9,995
50,000	49,975.01
100,000	99,950.02

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.

Network	Per USDC Arbitrum	From	Network fee	Speed
OMNI	1.0005	—	—	—
Ethereum (ERC20) open now	1.0005	200 USDC Arbitrum	≈ $0.016	medium
TRON (TRC20)	1.0005	200 USDC Arbitrum	≈ $2.3	fast
BNB Smart Chain (BEP20)	1.0005	200 USDC Arbitrum	≈ $0.0024	fast
Solana	1.0005	200 USDC Arbitrum	≈ $0.0005	fast
Polygon	1.0005	200 USDC Arbitrum	≈ $0.0017	fast
Arbitrum One	1.0005	200 USDC Arbitrum	≈ $0.0032	fast
TON	1.0005	200 USDC Arbitrum	low	fast
Avalanche C-Chain	1.0005	—	≈ < $0.0001	fast
NEAR	1.0005	—	—	—
Optimism	1.0005	—	≈ $0.00016	fast

USDT network fees

How the USDC Arbitrum → USDT ERC20 order runs

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

Swap USDC Arbitrum for USDT ERC20

Check this before sending USDC Arbitrum

The address network is Ethereum (ERC20). Sending through another network usually means losing the transfer.
The transfer must not be smaller than 200 USDC Arbitrum.
Copy the address whole, then compare the first and last characters after pasting.
Ethereum, Arbitrum, Optimism, BNB Smart Chain and Polygon all use the same address shape (0x…). Make sure the wallet is switched to Ethereum.
To move USDT on later, put a little ETH at the same address.
Coins go through an AML check: a flagged transfer can be held until the check is finished.

Arbitrum One against Ethereum

	Arbitrum One	Ethereum
Network type	L2, optimistic rollup	Layer one (L1)
Fees are paid in	ETH	ETH
Fee level	≈ $0.0032	≈ $0.016
Speed	fast	medium
Block	~0.25 sec	~12 sec
Address shape	0x…	0x…
Memo or tag	not needed	not needed
Ethereum-style address (0x…)	yes	yes
Official withdrawal to Ethereum	≈ 7 days (challenge period)	—

Fee and speed levels are comparative: both move with how busy the network is.

How this differs from a classic bridge

	RubyCash	Classic bridge
What lands at your address	USDT in Ethereum	The same stablecoin; turning USDT into USDC is a separate step
Wallet and signatures	Not needed: the coins go to the address from the order	Needed: connect the wallet and sign contract transactions
A coin for fees in Ethereum	Not needed to receive	Often needed, or the funds cannot be claimed or moved on
Timing	After confirmations in Arbitrum One; the order page tracks it	≈ 7 days for the official withdrawal from Arbitrum One to Ethereum
Who holds the funds meanwhile	RubyCash for the life of the order, with an AML check	The bridge contract or its validators

Bridge Arbitrum One → Ethereum: all directions The Ethereum network

Where the USDC Arbitrum to USDT ERC20 rate has been

WeekMonthQuarterYear

high 1.0004 USDT ERC20low 1 USDT ERC20

Sep 10, 2026 14:35Sep 17, 2026 14:35

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: +0.04%
Weekly high: 1.0004 USDT ERC20
Weekly low: 1 USDT ERC20
Spread: 0.04%

Market data from CoinGecko as of Sep 17, 2026 11:54; the exchange rate is calculated separately and differs. Where these numbers come from

How far USDC Arbitrum/USDT ERC20 travelled, by period

Period	High	Low	Middle	Net move
24 hours	1.0004	1.0003	1.0004	+0.01%
Week	1.0004	1	1.0002	+0.04%
Month	1.0004	0.999785	1.0001	0%
Quarter	1.0007	0.999785	1.0003	0%

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

Daily USDC Arbitrum → USDT ERC20 rate

Day	Close	Against the day before
Sep 17, 2026	1.0004 USDT ERC20	+0.01%
Sep 16, 2026	1.0003 USDT ERC20	+0.03%
Sep 15, 2026	1 USDT ERC20	−0.01%
Sep 14, 2026	1.0002 USDT ERC20	+0.01%
Sep 13, 2026	1.0001 USDT ERC20	0%
Sep 12, 2026	1 USDT ERC20	−0.02%
Sep 11, 2026	1.0002 USDT ERC20	0%

The numbers on USDC and USDT

USD Coin USDC

Price: $0.999551
24 hours: −0.01%
Week: 0%
Market cap: $73.6 B
24-hour turnover: $18.23 B
Rank by cap: #6
In circulation: 73.64 B USDC
Record price: $1.04

Tether USDT

Price: $0.999122
24 hours: −0.02%
Week: 0%
Market cap: $183.28 B
24-hour turnover: $58.85 B
Rank by cap: #3
In circulation: 183.44 B USDT
Record price: $1.32

Source: CoinGecko, Sep 17, 2026 11:54.

USD Coin against Tether

	USD Coin (USDC)	Tether (USDT)
Ticker	USDC	USDT
Type	token	token
Network	Arbitrum One	Ethereum (ERC20)
Fees are paid in	ETH	ETH
Launched	2018	2014
Built by	Circle	Tether Limited
Supply cap	no cap	no cap
In circulation	73.64 B USDC	183.44 B USDT
Market cap	$73.6 B	$183.28 B
Rank by cap	#6	#3

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

Common questions: USDC Arbitrum → USDT ERC20

What rate does USDC Arbitrum to USDT ERC20 run at?

As of Sep 17, 2026 14:33 it is 1 USDC Arbitrum = 1.0005 USDT ERC20. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.999622.

What amounts does USDC Arbitrum → USDT ERC20 accept?

From 200 to 10,000,000 USDC Arbitrum per order. The lower limit is roughly $199.91.

Where does the 200 USDC Arbitrum floor come from?

Network fees and order handling eat a small transfer alive — below 200 USDC Arbitrum 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 Arbitrum, and that one goes to the blockchain, not to us.

How long does USDC Arbitrum to USDT ERC20 take?

The clock starts with confirmations: the order goes into work once Arbitrum One confirms your transfer. After that it comes down to how busy the network is. A block in Arbitrum One closes in about 0.25 sec.

Will native USDT arrive, or a wrapper?

USDT ERC20 is the standard USDT token in Ethereum — exactly what exchanges send when they withdraw into this network.

Do I need ETH to receive USDT ERC20?

Not to receive. ETH comes into play later, when you want to send USDT from your address.

What is wrong with the official Arbitrum One bridge?

The official withdrawal from Arbitrum One to Ethereum waits around seven days — that is the challenge period of an optimistic rollup. Here USDT ERC20 arrives as soon as the order is processed.

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 Arbitrum 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 Arbitrum.

Can I go back, USDT ERC20 to USDC Arbitrum?

Yes, the reverse direction is open: 1 USDT ERC20 = 0.9997 USDC Arbitrum. The link sits right under the calculator.