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Peso invoice converter

Free tool · Freight

Turn a Mexican carrier or transfer invoice in pesos into dollars at the day’s rate, or the other way around. Add your bank or exchange house spread to see what the conversion really costs, and keep the rate date with the invoice.

The total on the invoice. Example: 50,000.
Pesos (MXN) or dollars (USD).
Use the rate your contract names, for example the Banxico FIX published in the DOF. Example: 18.50.
The date of the rate you used. It prints with the result.
What your bank or exchange house keeps. Type 1 for 1%. Type 0 to see the market rate only.

Amount after the spread

$2,675.94

Amount at the market rate

$2,702.70

What the spread costs you

$26.76

Rate after the spread

18.685 pesos per dollar

Rate and date used

18.50 pesos per dollar on Oct 26, 2026

An estimate for planning. Check the numbers with your accountant before you decide.

How the math works

Pesos to dollars: USD = MXN ÷ rate. Dollars to pesos: MXN = USD × rate.

Your bank or exchange house keeps a spread. Pesos to dollars, the rate becomes rate × (1 + spread), so you get fewer dollars. Dollars to pesos, it becomes rate × (1 − spread), so you get fewer pesos. The spread cost is the gap between the two amounts.

Use the rate your contract names, for example the Banxico FIX published in the DOF, and keep the rate and its date with the invoice. The example is a 50,000 peso transfer invoice at 18.50 pesos per dollar with a 1% spread.