Swap Ether.fi (ETHFI) for Tether (USDT Polygon)

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 Nov 2, 2026 02:34

Orders from
335.0645 ETHFI ≈ $204.60
Payout network
Polygon
24 hours
−2.62%
You get 3,085 USDT Polygon
Start the order
Rate
1 ETHFI = 0.617 USDT Polygon
From
335.0645 ETHFI
Up to
16,400,000 ETHFI

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

One ETHFI buys 0.617 USDT Polygon right now; the other way round, 1 USDT Polygon is 1.6207 ETHFI. Market over 24 hours: ETHFI against USDT Polygon minus 2.62%. The week added minus 3.35%.

The weekly corridor ran from 0.572993 to 0.683527 USDT Polygon, a spread of 19.29%. A single order takes 335.0645 to 16,400,000 ETHFI. In dollars that is roughly $204.60.

The payout leaves in the Polygon network, so the receiving address has to belong to that network. By market cap Ether.fi sits 95th ($609.68 M) and Tether 3th ($179.97 B). Daily moves of ETHFI and USDT over 90 days line up at 0.09 (they travel apart).

Who takes the ETHFI → USDT Polygon route

  • Sitting out the swingsETHFI moved −14.15% over the past month. USDT tracks the dollar, so after the swap the value stops following ETHFI.
  • A road both waysThe USDT Polygon → ETHFI direction is open too, so going back into ETHFI takes the same route.

ETHFI → USDT Polygon rate and amounts

1 ETHFI = 0.617 USDT Polygon
1 USDT Polygon = 1.6207 ETHFI

Send ETHFI — receive USDT Polygon

ETHFIUSDT Polygon
500308.4998
1,000616.9997
5,0003,085
10,0006,170
50,00030,849.98
100,00061,699.97

Need USDT Polygon — send this much ETHFI

USDT PolygonETHFI
500810.3732
1,0001,620.75
5,0008,103.73
10,00016,207.46
50,00081,037.32
100,000162,074.64

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 ETHFIFromNetwork feeSpeed
OMNI0.617———
Ethereum (ERC20)0.617335.0645 ETHFI≈ $0.0061medium
TRON (TRC20)0.617335.0645 ETHFI≈ $2.1fast
BNB Smart Chain (BEP20)0.617335.0645 ETHFI≈ $0.0023fast
Solana0.617335.0645 ETHFI≈ $0.00047fast
Polygon open now0.617335.0645 ETHFI≈ $0.0014fast
Arbitrum One0.617335.0645 ETHFI≈ $0.0029fast
TON0.617335.0645 ETHFIlowfast
Avalanche C-Chain0.617—≈ $0.0014fast
NEAR0.617———
Optimism0.617—≈ $0.00015fast

How the ETHFI → USDT Polygon order runs

  1. Work out the amount in the calculator: orders start at 335.0645 ETHFI.
  2. Enter a USDT address in Polygon and a way to reach you.
  3. Send ETHFI in Ether.fi 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 ETHFI for USDT Polygon

Check this before sending ETHFI

  • The address network is Polygon. Sending through another network usually means losing the transfer.
  • The transfer must not be smaller than 335.0645 ETHFI.
  • 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 ETHFI to USDT Polygon rate has been

high 0.683527 USDT Polygonlow 0.572993 USDT Polygon
Oct 26, 2026 02:39Nov 2, 2026 02:39
high 0.779715 USDT Polygonlow 0.606717 USDT Polygon
Oct 2, 2026 03:00Nov 1, 2026 03:00
high 0.784925 USDT Polygonlow 0.356201 USDT Polygon
Aug 3, 2026 03:00Nov 1, 2026 03:00
high 1.0166 USDT Polygonlow 0.286526 USDT Polygon
Nov 2, 2025 03:00Nov 1, 2026 03:00
24 hours
−2.62%
Week
−3.35%
Weekly high
0.683527 USDT Polygon
Weekly low
0.572993 USDT Polygon
Spread
19.29%

Market data from CoinGecko as of Nov 1, 2026 23:54; the exchange rate is calculated separately and differs. Where these numbers come from

How far ETHFI/USDT Polygon travelled, by period

PeriodHighLowMiddleNet move
24 hours0.6331660.609740.623356−2.62%
Week0.6835270.5729930.63641−3.35%
Month0.7797150.6067170.681325−14.12%
Quarter0.7849250.3562010.607353+55.86%

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

Daily ETHFI → USDT Polygon rate

DayCloseAgainst the day before
Nov 1, 20260.623287 USDT Polygon+0.32%
Oct 31, 20260.621308 USDT Polygon+2.4%
Oct 30, 20260.606717 USDT Polygon−11.24%
Oct 29, 20260.683527 USDT Polygon+2.68%
Oct 28, 20260.665705 USDT Polygon+1.97%
Oct 27, 20260.652825 USDT Polygon+4.4%
Oct 26, 20260.625288 USDT Polygon+0.82%

Daily RubyCash rate: ETHFI → USDT Polygon

DateRubyCash rateMarket rate
Nov 1, 20260.615692 USDT Polygon0.611131
Oct 31, 20260.629569 USDT Polygon0.629073
Oct 30, 20260.613681 USDT Polygon0.596541
Oct 29, 20260.620117 USDT Polygon0.617764
Oct 28, 20260.685477 USDT Polygon0.681942
Oct 27, 20260.6715 USDT Polygon0.669162
Oct 26, 20260.640529 USDT Polygon0.643644
Oct 25, 20260.637714 USDT Polygon0.619546
Oct 24, 20260.619413 USDT Polygon0.617056
Oct 22, 20260.661344 USDT Polygon0.662793
Oct 21, 20260.71333 USDT Polygon0.723858
Oct 20, 20260.721676 USDT Polygon0.716289
Oct 19, 20260.687186 USDT Polygon0.669749
Oct 18, 20260.671902 USDT Polygon0.663009

Our own rate is written down every hour; the table keeps the last entry of each day. The market column is the ratio of the same two coins on CoinGecko at that moment. Where these numbers come from

The numbers on ETHFI and USDT

Ether.fi ETHFI
Price
$0.610618
24 hours
−2.65%
Week
−3.7%
Market cap
$609.68 M
24-hour turnover
$13.48 M
Rank by cap
#95
In circulation
998.54 M ETHFI
Record price
$8.53
Tether USDT
Price
$0.99916
24 hours
−0.04%
Week
+0.01%
Market cap
$179.97 B
24-hour turnover
$25.81 B
Rank by cap
#3
In circulation
180.12 B USDT
Record price
$1.32

Source: CoinGecko, Nov 1, 2026 23:54.

Ether.fi against Tether

Ether.fi (ETHFI)Tether (USDT)
TickerETHFIUSDT
In circulation998.54 M ETHFI180.12 B USDT
Market cap$609.68 M$179.97 B
Rank by cap#95#3
Type—token
Network—Polygon
Fees are paid in—POL
Launched—2014
Built by—Tether Limited
Supply cap—no cap

Daily moves of ETHFI and USDT over 90 days line up at 0.09 — they travel apart.

Common questions: ETHFI → USDT Polygon

What rate does ETHFI to USDT Polygon run at?
As of Nov 2, 2026 02:34 it is 1 ETHFI = 0.617 USDT Polygon. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.616481.
What amounts does ETHFI → USDT Polygon accept?
From 335.0645 to 16,400,000 ETHFI per order. The lower limit is roughly $204.60.
Where does the 335.0645 ETHFI floor come from?
Network fees and order handling eat a small transfer alive — below 335.0645 ETHFI 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 ETHFI, and that one goes to the blockchain, not to us.
How long does ETHFI to USDT Polygon take?
The clock starts with confirmations: the order goes into work once Ether.fi confirms your transfer. After that it comes down to how busy the network is.
Which network will USDT Polygon arrive in?
The payout leaves in Polygon. 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 ETHFI to USDT Polygon rate do this month?
The month came in at minus 14.12%. Low 0.606717, high 0.779715, middle 0.681325 USDT Polygon per ETHFI.
Can I go back, USDT Polygon to ETHFI?
Yes, the reverse direction is open: 1 USDT Polygon = 1.6338 ETHFI. The link sits right under the calculator.

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