USD to MXN 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.
- Mexican peso (MXN)
- 17.77
1 USD = 17.77 MXN, at 1 USD = 17.7652 MXN. The ECB reference rates of 28 September 2026 give 1 USD = 17.7652 MXN.
- Inverse: USD per 1 MXN
- 0.0562898
Mexican peso (MXN): 17.77. 1 USD = 17.77 MXN, at 1 USD = 17.7652 MXN. The ECB reference rates of 28 September 2026 give 1 USD = 17.7652 MXN.
How to calculate
Converts US dollar (USD) to Mexican peso (MXN) 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: MXN per 1 USD 17.7652): 1 USD = 17.77 MXN, at 1 USD = 17.7652 MXN. The ECB reference rates of 28 September 2026 give 1 USD = 17.7652 MXN.
Formula: MXN = USD × rate. The ECB rate is a cross rate: (MXN per euro) ÷ (USD per euro), to 6 significant figures.
- The default rate, 1 USD = 17.7652 MXN, is worked out by this site from the ECB euro reference rates of 28 September 2026: 20.2133 MXN 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: MXN per 1 USD 17.77 gives Mexican peso (MXN) 1,777.Source: hand calculation: amount × rate, at the ECB rate of 28 September 2026 for USD to MXN (17.7652) rounded to 4 significant figures
- Mexican peso (MXN) 100, Rate: MXN per 1 USD 17.77 gives US dollar (USD) 5.627462.Source: hand calculation: amount × rate, at the ECB rate of 28 September 2026 for USD to MXN (17.7652) rounded to 4 significant figures
- US dollar (USD) 100, Mexican peso (MXN) 1,777 gives Rate: MXN per 1 USD 17.77.Source: hand calculation: rate = result ÷ amount
Other questions people ask
How much is 1 USD in MXN?
At the ECB euro reference rates of 28 September 2026, 1 USD = 17.7652 MXN, and 1 MXN = 0.05628967 USD.
Where does the USD to MXN rate come from?
The ECB quotes every currency against the euro only. On 28 September 2026, 1 euro bought 1.1378 USD and 20.2133 MXN, so 1 USD = 20.2133 ÷ 1.1378 = 17.7652 MXN. 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.