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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: 19.10.2026
Daily rate 19.10.2026 · click a row for history
Selected pair: 1 USD = 146.421JPY 04.09.2023
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)
04.09.2023 Mon 146.421 verify
03.09.2023 Sun 145.233 verify
02.09.2023 Sat 145.233 verify
01.09.2023 Fri 145.233 verify
31.08.2023 Thu 145.774 verify
30.08.2023 Wed 146.075 verify
29.08.2023 Tue 147.171 verify
28.08.2023 Mon 146.546 verify
27.08.2023 Sun 145.921 verify
26.08.2023 Sat 145.921 verify
25.08.2023 Fri 145.921 verify
24.08.2023 Thu 145.735 verify
23.08.2023 Wed 145.500 verify
22.08.2023 Tue 145.762 verify
21.08.2023 Mon 145.927 verify
20.08.2023 Sun 145.533 verify
19.08.2023 Sat 145.533 verify
18.08.2023 Fri 145.533 verify
17.08.2023 Thu 145.754 verify
16.08.2023 Wed 145.755 verify
15.08.2023 Tue 145.604 verify
14.08.2023 Mon 145.162 verify
13.08.2023 Sun 144.524 verify
12.08.2023 Sat 144.524 verify
11.08.2023 Fri 144.524 verify
10.08.2023 Thu 143.744 verify
09.08.2023 Wed 143.470 verify
08.08.2023 Tue 143.031 verify
07.08.2023 Mon 142.193 verify
06.08.2023 Sun 142.637 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: 19.10.2026