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Mexico Reverse IVA Calculator
Mexico general IVA is 16% nationwide; northern border zones may use 8% on qualifying goods. Use the tasa on your CFDI or receipt.
Live calculation
Mexico Reverse IVA Calculator
Enter the total you paid (IVA included) and your rate.
Step 2 — Your breakdown
Original price (before tax)MX$0.00
Tax amountMX$0.00
Final price (verified)MX$0.00
Explain calculation
We reverse the tax using the standard formula:
Convert the rate to a decimal (e.g. 8.25% → 0.0825).
Divide the final price by (1 + rate) to get the pre-tax amount.
Subtract pre-tax from final to get the tax portion.
Enter a total and tax rate to see your breakdown.
Standard rate16.00%
Tax typeIVA
Typical combined16% IVA
IVA general y fronterizo
Sixteen percent is standard in Mexico City, Guadalajara, and most of the country. Eight percent border incentive applies to defined zones and goods—do not assume 16% on every peso total.
Zero-rated and exempt categories include some food, medicine, and exports per SAT rules.
Monterrey manufacturers and Cancún tourism operators both need tasa-matched divisors on tax-inclusive receipts—not a flat 16% on border-zone supplies.
CFDI and ecommerce
Electronic invoices show IVA breakdown. Marketplaces may display one tax-inclusive total—reverse using the CFDI rate.
Mercado Libre gross MXN settlements need per-order 16% or 8% splits before seller margin analysis on pretax merchandise values.
SAT IVA filing and border zones
RFC registrants file IVA through SAT digital portals. Reverse IVA on tax-inclusive vendor CFDIs before acreditable IVA claims on mixed 0% exempt and 16% taxable lines.
Northern border 8% incentive applies to defined goods and zones—verify zona fronteriza status on each factura before applying 1.16 divisor to peso totals.
Reverse IVA
Base = total ÷ (1 + tasa/100). MX$116 at 16% → MX$100 base.
Platform-collected IVA on Amazon.com.mx settlements needs per-order tasa attribution—averaging 16% across border and mainland rows misstates base imponible.
Tijuana maquiladora buyers should verify 8% border IVA on qualifying CFDIs before reverse calculation—not automatic 1.16 on every peso total.
Mainland Mexico general IVA is 16% on most goods.
Northern border zones may use 8% on qualifying supplies.
CFDI electronic invoice tasa is authoritative for reverse math.
Common use cases
CDMX freelancer expense split.
Border maquiladora purchases.
Guadalajara B2B base imponible check.
Tips for accurate calculations
16% default mainland.
8% border—verify zona.
CFDI rate authoritative.
Zero-rated food separate.
Mexico IVA overview
Rate
Category
Examples
16% IVA
IVA
Mexican value-added tax (IVA).
Varies
Sector exceptions
Financial services, healthcare, and exports may use different treatment.
CDMX purchase
MX$116 at 16% IVA.
> ÷ 1.16
✓
Base MX$100 | IVA MX$16
SAT IVA
RFC registration and digital filing when required. SAT filers should archive CFDIs showing 8% border vs 16% mainland tasa before acreditable IVA claims on mixed purchases.
Frequently asked questions
16% general rate.
Applies in defined northern/southern border zones for qualifying goods.
Base MX$100 at 16%.
Yes—IVA is Mexican value-added tax.
Border zone may show 8% IVA on qualifying goods—verify CFDI tasa before using 1.16.
Reverse 16% IVA from tax-inclusive peso client receipts before SAT acreditable IVA claims.
CFDI XML shows base and IVA—reverse only when one tax-inclusive total appears on the PDF.