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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: 20.10.2026
Daily rate 20.10.2026 · click a row for history
Selected pair: 1 USD = 103.078JPY 17.12.2020
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)
17.12.2020 Thu 103.078 verify
16.12.2020 Wed 103.351 verify
15.12.2020 Tue 103.835 verify
14.12.2020 Mon 103.685 verify
13.12.2020 Sun 104.134 verify
12.12.2020 Sat 104.134 verify
11.12.2020 Fri 104.134 verify
10.12.2020 Thu 104.459 verify
09.12.2020 Wed 104.102 verify
08.12.2020 Tue 104.163 verify
07.12.2020 Mon 104.145 verify
06.12.2020 Sun 103.995 verify
05.12.2020 Sat 103.995 verify
04.12.2020 Fri 103.995 verify
03.12.2020 Thu 104.107 verify
02.12.2020 Wed 104.572 verify
01.12.2020 Tue 104.376 verify
30.11.2020 Mon 104.160 verify
29.11.2020 Sun 104.208 verify
28.11.2020 Sat 104.208 verify
27.11.2020 Fri 104.208 verify
26.11.2020 Thu 104.243 verify
25.11.2020 Wed 104.456 verify
24.11.2020 Tue 104.555 verify
23.11.2020 Mon 103.736 verify
22.11.2020 Sun 103.825 verify
21.11.2020 Sat 103.825 verify
20.11.2020 Fri 103.825 verify
19.11.2020 Thu 104.015 verify
18.11.2020 Wed 103.885 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: 20.10.2026