Czech Republic Koruna to US dollar: Treasury reporting rate
As of : The U.S. Treasury’s reporting rate of exchange for Czech Republic-Koruna is 20.981 units per US$1, as published for the quarter ending Sep 30, 2026. It is a quarterly rate for federal agencies, not a live market rate. That is 1.28% versus the previous quarter.
These are the Treasury's quarterly reporting rates for federal agencies, not live market rates. Do not use them to convert money for a payment or trade: use the rate your bank or provider quotes.
Last checked against the source: . Changes and averages are calculated by this site from the published quarterly rates.
Extended data
Measure
Value
Currency
Czech Republic-Koruna
Latest reporting rate (units per US$1)
20.981
Latest record date
Sep 30, 2026
Previous quarter rate
20.716
Change vs previous quarter (calculated)
1.28%
Rate one year earlier (4 quarters back)
20.176
Change vs one year earlier (calculated)
3.99%
Highest rate in this series (units per US$1)
39.149
Date of the highest rate
Jun 30, 2001
Lowest rate in this series (units per US$1)
15.745
Date of the lowest rate
Dec 31, 2007
Average of all quarterly rates (calculated)
22.435
US dollars per 1 unit of this currency (calculated, 1 / rate)
0.0477
First record in the series
Mar 31, 2001
Quarterly records in the series
103
Latest quarterly rates
Quarter-end record date
Units per US$1
Sep 30, 2026
20.981
Jun 30, 2026
20.716
Mar 31, 2026
20.825
Dec 31, 2025
20.101
Sep 30, 2025
20.176
Jun 30, 2025
20.546
Mar 31, 2025
22.371
Dec 31, 2024
23.538
How the figures are counted: change = (latest rate ÷ earlier rate − 1) × 100; US dollars per unit = 1 ÷ rate; the average is the simple mean of all quarterly rates in the series.
Worked example: Czech Republic-Koruna: 20.981 now vs 20.716 last quarter = 1.28%; 1 ÷ 20.981 = 0.0477 US dollars per unit.
Frequently asked questions
What is the Treasury exchange rate for Czech Republic-Koruna?
The latest Treasury reporting rate is 20.981 units per US$1, for the quarter ending Sep 30, 2026.
How has the Czech Republic-Koruna rate changed?
It moved 1.28% versus the previous quarter (20.716) and 3.99% versus four quarters earlier (20.176).
What were the highest and lowest rates?
In this series the highest rate was 39.149 on Jun 30, 2001 and the lowest was 15.745 on Dec 31, 2007.
Is this a live market exchange rate?
No. The Treasury publishes reporting rates every quarter for federal agencies. For a payment, transfer or trade, use the rate quoted by your bank or provider.
Where does the data come from?
From the Treasury Reporting Rates of Exchange dataset on the U.S. Treasury's Fiscal Data site, read through its public API.