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CNB exchange rates
Daily and yearly rates published by the Czech National Bank. Any pair, any date since 1999.
Last sync: 21.10.2026
Daily rate 21.10.2026 · click a row for history
Selected pair: 1 USD = 109.762JPY 10.08.2017
Verify on cnb.cz
Convert any amount
USD
—
JPY · rounded to 2 decimals
Yearly rate · jednotný kurz For tax returns
How the yearly rate becomes official
Estimate: running average of the last CNB rate in each of the 12 months (Section 38(1) ZDP).
Confirmed: each spring GFR publishes the official rate (Pokyn GFR, e.g. D-66); the badge flips and links to the source PDF.
Rates shown for pair USD/JPY. CNB index
Recent rates · USD/JPY Business days only — CNB does not publish on weekends or Czech holidays
Date 1 USD (JPY)
10.08.2017 Thu 109.762 verify
09.08.2017 Wed 109.695 verify
08.08.2017 Tue 110.306 verify
07.08.2017 Mon 110.858 verify
06.08.2017 Sun 110.102 verify
05.08.2017 Sat 110.102 verify
04.08.2017 Fri 110.102 verify
03.08.2017 Thu 110.366 verify
02.08.2017 Wed 110.761 verify
01.08.2017 Tue 110.516 verify
31.07.2017 Mon 110.597 verify
30.07.2017 Sun 111.134 verify
29.07.2017 Sat 111.134 verify
28.07.2017 Fri 111.134 verify
27.07.2017 Thu 111.451 verify
26.07.2017 Wed 111.894 verify
25.07.2017 Tue 111.389 verify
24.07.2017 Mon 110.833 verify
23.07.2017 Sun 111.417 verify
22.07.2017 Sat 111.417 verify
21.07.2017 Fri 111.417 verify
20.07.2017 Thu 112.244 verify
19.07.2017 Wed 111.892 verify
18.07.2017 Tue 112.032 verify
17.07.2017 Mon 112.416 verify
16.07.2017 Sun 113.085 verify
15.07.2017 Sat 113.085 verify
14.07.2017 Fri 113.085 verify
13.07.2017 Thu 113.134 verify
12.07.2017 Wed 113.554 verify
Use this rate when filing your Czech tax return if you chose the yearly unified method. The daily rate is only for same-day valuations.
Source, methodology and disclaimer
Source

All rates come from Czech National Bank (Ceska narodni banka), the official central bank. CNB publishes daily fixing rates for 33 currencies around 14:30 CET on business days.

Methodology

Rates are shown exactly as CNB publishes them (3-decimal precision). The yearly jednotný kurz follows section 38 paragraph 1 ZDP and Pokyn GFR D-59 — the average of the last published rate in each of the twelve calendar months. Full methodology →

Disclaimer

This tool caches CNB data for fast lookup. In the rare event of a discrepancy, the cnb.cz source is authoritative. For tax filings, always verify critical values.

Related: RSU / ESPP tax calculator · Czech tax guide
Updated daily from CNB 3-decimal precision All 33 CNB currencies History back to 1999 Last sync: 21.10.2026