Easily exchange your desired amount based on the updated SEI/USDT rate
SEI to USDT Converter
Use our simple Sei to Tether calculator to see how much Sei you can buy with USDT.
SEISei
USDTTether
Sei to Tether conversion rate is calculated live based on data from multiple exchanges. SEI/USDT exchange rate was last updated on December 6, 2025 at 17:06 UTC.
Live Sei Exchange Rate
Check the current Sei price on CoinCheckup to help inform your Sei investment.
Sei
USDT0.1295-20.30%
High
Low
30-Day Change
-20.30%
Volatility
The highest Sei has been against Tether in the last 30 days was Tether on at UTC. The lowest exchange rate in the last 30 days was USDT on at UTC which indicates a volatility of .
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