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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 = 111.193JPY 18.01.2018
Verify on cnb.cz
Convert any amount
USD
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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)
18.01.2018 Thu 111.193 verify
17.01.2018 Wed 110.791 verify
16.01.2018 Tue 110.714 verify
15.01.2018 Mon 110.629 verify
14.01.2018 Sun 111.126 verify
13.01.2018 Sat 111.126 verify
12.01.2018 Fri 111.126 verify
11.01.2018 Thu 111.656 verify
10.01.2018 Wed 111.434 verify
09.01.2018 Tue 112.537 verify
08.01.2018 Mon 113.035 verify
07.01.2018 Sun 113.274 verify
06.01.2018 Sat 113.274 verify
05.01.2018 Fri 113.274 verify
04.01.2018 Thu 112.745 verify
03.01.2018 Wed 112.269 verify
02.01.2018 Tue 112.185 verify
01.01.2018 Mon 112.561 verify
31.12.2017 Sun 112.561 verify
30.12.2017 Sat 112.561 verify
29.12.2017 Fri 112.561 verify
28.12.2017 Thu 112.886 verify
27.12.2017 Wed 113.241 verify
26.12.2017 Tue 113.375 verify
25.12.2017 Mon 113.375 verify
24.12.2017 Sun 113.375 verify
23.12.2017 Sat 113.375 verify
22.12.2017 Fri 113.375 verify
21.12.2017 Thu 113.493 verify
20.12.2017 Wed 113.255 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