# CZK to ISK exchange rate

1 CZK = 5.6161 ISK, and 1 ISK = 0.17806 CZK, from the daily edition of the Currency Exchange Rate API updated Nov 5, 2026, 12:00 AM UTC.

- From: Czech Koruna (CZK)
- To: Icelandic Króna (ISK)
- Rate: 5.616072007
- Inverse rate: 0.178060395
- Edition time: 2026-11-05T00:00:01.000Z
- Next edition: 2026-11-06T00:00:01.000Z

This is the daily reference rate. Plans get updates up to every 5 minutes through the API, webhooks, and the WebSocket stream.

## CZK to ISK

| Amount in CZK | Converted to ISK |
| --- | --- |
| 1 CZK | 5.62 ISK |
| 5 CZK | 28.08 ISK |
| 10 CZK | 56.16 ISK |
| 25 CZK | 140.4 ISK |
| 50 CZK | 280.8 ISK |
| 100 CZK | 561.61 ISK |
| 250 CZK | 1,404.02 ISK |
| 500 CZK | 2,808.04 ISK |
| 1,000 CZK | 5,616.07 ISK |
| 5,000 CZK | 28,080.36 ISK |
| 10,000 CZK | 56,160.72 ISK |

## ISK to CZK

| Amount in ISK | Converted to CZK |
| --- | --- |
| 1 ISK | 0.17806 CZK |
| 5 ISK | 0.890302 CZK |
| 10 ISK | 1.78 CZK |
| 25 ISK | 4.45 CZK |
| 50 ISK | 8.9 CZK |
| 100 ISK | 17.81 CZK |
| 250 ISK | 44.52 CZK |
| 500 ISK | 89.03 CZK |
| 1,000 ISK | 178.06 CZK |
| 5,000 ISK | 890.3 CZK |
| 10,000 ISK | 1,780.6 CZK |

## CZK to ISK history

Daily closing rates for 1 CZK in ISK.

- 30-day change: -0.10%
- 1-year change: -6.91%
- 1-year high: 6.1762 on 2025-12-03
- 1-year low: 5.5731 on 2026-10-28

| Date | Rate |
| --- | --- |
| 2026-11-05 | 5.6161 |
| 2026-11-04 | 5.5939 |
| 2026-11-03 | 5.5845 |
| 2026-11-02 | 5.581 |
| 2026-11-01 | 5.5881 |
| 2026-10-31 | 5.5885 |
| 2026-10-30 | 5.5867 |
| 2026-10-29 | 5.5937 |
| 2026-10-28 | 5.5731 |
| 2026-10-27 | 5.6021 |

Every daily rate back to 1999 is available from `/timeseries`; the free plan covers the last 30 days. [Get a free API key](https://currencyexchangerate-api.com/auth/login).

```shell
curl "https://api.currencyexchangerate-api.com/api/v1/timeseries?start=2026-10-06&end=2026-11-05&base=CZK&symbols=ISK" \
  -H "Authorization: Bearer $EXCHANGE_API_KEY"
```

## Get CZK to ISK from the API

Convert an amount or read the rate alone with a bearer key. Plans with faster editions can also push rates to you with [webhooks](https://currencyexchangerate-api.com/docs#webhooks) or stream them over a [WebSocket](https://currencyexchangerate-api.com/docs#streaming). [Sign up for a free API key](https://currencyexchangerate-api.com/auth/login).

```shell
curl "https://api.currencyexchangerate-api.com/api/v1/convert?from=CZK&to=ISK&amount=100" \
  -H "Authorization: Bearer $EXCHANGE_API_KEY"
```

```shell
curl "https://api.currencyexchangerate-api.com/api/v1/latest?base=CZK&symbols=ISK" \
  -H "Authorization: Bearer $EXCHANGE_API_KEY"
```

## Related rates

- [ISK to CZK exchange rate](https://currencyexchangerate-api.com/convert/isk-to-czk.md)
- [CZK exchange rates](https://currencyexchangerate-api.com/currencies/czk.md)
- [ISK exchange rates](https://currencyexchangerate-api.com/currencies/isk.md)
- [CZK to USD exchange rate](https://currencyexchangerate-api.com/convert/czk-to-usd.md)
- [CZK to EUR exchange rate](https://currencyexchangerate-api.com/convert/czk-to-eur.md)
- [CZK to GBP exchange rate](https://currencyexchangerate-api.com/convert/czk-to-gbp.md)
- [CZK to JPY exchange rate](https://currencyexchangerate-api.com/convert/czk-to-jpy.md)
- [CZK to CNY exchange rate](https://currencyexchangerate-api.com/convert/czk-to-cny.md)
- [CZK to INR exchange rate](https://currencyexchangerate-api.com/convert/czk-to-inr.md)
- [CZK to CAD exchange rate](https://currencyexchangerate-api.com/convert/czk-to-cad.md)
- [CZK to AUD exchange rate](https://currencyexchangerate-api.com/convert/czk-to-aud.md)

## Frequently asked questions

### What was the highest CZK to ISK rate in the last year?

Between Nov 5, 2025 and Nov 5, 2026, the highest daily close was 1 CZK = 6.1762 ISK on Dec 3, 2025, and the lowest was 5.5731 ISK on Oct 28, 2026. Over that period the rate changed -6.91%.

### What is the CZK to ISK rate today?

As of Nov 5, 2026, 12:00 AM UTC, 1 CZK = 5.6161 ISK, and 1 ISK = 0.17806 CZK. These figures come from the daily edition of the Currency Exchange Rate API.

### How often is the CZK to ISK rate updated?

This page shows the daily reference rate, which is refreshed once a day. The next daily edition is due Nov 6, 2026, 12:00 AM UTC. Plans with a faster edition can receive updates up to every 5 minutes through the API, webhooks, and the WebSocket stream.

### How do I get the CZK to ISK rate in code?

Call GET /convert?from=CZK&to=ISK&amount=100 with your API key in the Authorization header, or call GET /latest?base=CZK&symbols=ISK to get the rate alone.

### Is there a free plan?

Yes. Start on the free plan; no credit card is required. Move to a plan with a faster edition when you need more frequent updates.