Qtum (QTUM) and Tether (USDT) Currency Exchange Rate Conversion Calculator

This Qtum and Tether convertor is up to date with exchange rates from October 9, 2026.

Enter the amount to be converted in the box to the left of Qtum. Use "Swap currencies" to make Tether the default currency. Click on Tethers or Qtums to convert between that currency and all other currencies.

The Qtum is the currency in no countries. The Tether is the currency in no countries. The symbol for QTUM can be written QTUM. The symbol for USDT can be written USDT. The exchange rate for the Qtum was last updated on October 9, 2026 from coinmarketcap.com. The exchange rate for the Tether was last updated on October 9, 2026 from MSN. The QTUM conversion factor has 15 significant digits. The USDT conversion factor has 5 significant digits.