
What is an exchange rate? A simple guide with examples
Understand what an exchange rate means, how to read USD/EUR and why a larger number is not always a better deal.
Read guide →DAILY REFERENCE EXCHANGE RATES
5 USD is approximately 108.92 STN at the reference rate dated 2026-10-30.
| Date | 1 USD in STN |
|---|---|
| 2026-10-30 | 21.784 |
| 2026-10-29 | 21.853 |
| 2026-10-28 | 21.88 |
| 2026-10-27 | 21.754 |
| 2026-10-26 | 21.742 |
| 2026-10-23 | 21.845 |
| 2026-10-22 | 21.769 |
Missing days are not presented as new observations. The chart uses locally stored daily reference data.
Multiply the amount in USD by the rate:
5 × 21.784 = 108.92 STN
The reverse reference rate is approximately 0.04590525 USD for 1 STN.
It is a daily reference value from Frankfurter, not a live buy or sell offer. For cross-rates we use observations from the same date.
No. Check the final quote from your bank, card provider or transfer service.
Publication schedules, weekends and gaps differ by currency. A cross-rate uses the latest date shared by both currencies.
Read the methodology →Reference rate dated 2026-10-30. Fees are excluded.
5 USD is approximately 108.92 STN using the daily reference rate dated 2026-10-30. This estimate excludes fees.
Multiply the amount in United States Dollar (USD) by 21.784. For example, 5 × 21.784 = 108.92 STN.
No. CurrencyCalc calculates reference values. It does not exchange money or process payments. Compare the final rate, spread and fees with your bank or transfer provider.
About United States Dollar (USD) · About São Tomé and Príncipe Second Dobra (STN)

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