USD to PLN converter
Rates from the ECB, 28 September 2026. Type an amount in either currency and the other one updates as you type, or type your bank's rate to see what you would get.
- Polish zloty (PLN)
- 3.84
1 USD = 3.84 PLN, at 1 USD = 3.84338 PLN. The ECB reference rates of 28 September 2026 give 1 USD = 3.84338 PLN.
- Inverse: USD per 1 PLN
- 0.260188
Polish zloty (PLN): 3.84. 1 USD = 3.84 PLN, at 1 USD = 3.84338 PLN. The ECB reference rates of 28 September 2026 give 1 USD = 3.84338 PLN.
How to calculate
Converts US dollar (USD) to Polish zloty (PLN) and back at the ECB euro reference rates of 28 September 2026, or at your own rate.
Example with the default inputs (US dollar (USD) 1, Rate: PLN per 1 USD 3.84338): 1 USD = 3.84 PLN, at 1 USD = 3.84338 PLN. The ECB reference rates of 28 September 2026 give 1 USD = 3.84338 PLN.
Formula: PLN = USD × rate. The ECB rate is a cross rate: (PLN per euro) ÷ (USD per euro), to 6 significant figures.
- The default rate, 1 USD = 3.84338 PLN, is worked out by this site from the ECB euro reference rates of 28 September 2026: 4.373 PLN per euro ÷ 1.1378 USD per euro, rounded to 6 significant figures. The ECB does not publish rates between two non-euro currencies.
- The ECB publishes its reference rates for information purposes only, not for transactions. Banks and cards add a margin or a fee; type their rate to see what you would get.
- Amounts are rounded to 2 decimal places, without trailing zeros (24.4 means 24.40), and rates show up to 7 significant figures; the calculation keeps full precision.
Worked examples
Each example is checked against the calculator on every build.
- US dollar (USD) 100, Rate: PLN per 1 USD 3.843 gives Polish zloty (PLN) 384.3.Source: hand calculation: amount × rate, at the ECB rate of 28 September 2026 for USD to PLN (3.84338) rounded to 4 significant figures
- Polish zloty (PLN) 100, Rate: PLN per 1 USD 3.843 gives US dollar (USD) 26.021337.Source: hand calculation: amount × rate, at the ECB rate of 28 September 2026 for USD to PLN (3.84338) rounded to 4 significant figures
- US dollar (USD) 100, Polish zloty (PLN) 384.3 gives Rate: PLN per 1 USD 3.843.Source: hand calculation: rate = result ÷ amount
Other questions people ask
How much is 1 USD in PLN?
At the ECB euro reference rates of 28 September 2026, 1 USD = 3.84338 PLN, and 1 PLN = 0.2601875 USD.
Where does the USD to PLN rate come from?
The ECB quotes every currency against the euro only. On 28 September 2026, 1 euro bought 1.1378 USD and 4.373 PLN, so 1 USD = 4.373 ÷ 1.1378 = 3.84338 PLN. This cross rate is worked out by this site; the ECB does not publish it.
Can I use this rate at my bank?
Not exactly. The ECB publishes its reference rates for information purposes only and strongly discourages their use for transactions. Banks, cards, and exchange offices add a margin or a fee. Type the rate they offer into the rate box to see what you would receive.
How often does the rate change?
The ECB sets one reference rate per currency on each TARGET working day, at about 16:00 CET. This page shows the rates of 28 September 2026; they change when the site is rebuilt with a newer copy.