Compound Interest Calculator · August 17, 2026 · Mexico · Rules 2026
🇲🇽 Loans & savings
Compound Interest Calculator
Mexico · Rules 2026 · Last reviewed: August 16, 2026 · Verified rules 2026
Project savings growth with compound interest and optional monthly contributions.
Informational estimate. It does not determine what you are owed or must pay. It is not professional advice and not a SAT, IMSS or government service.
Your estimate
Enter your figures to get an estimate.
Press Calculate when the numbers on the left are ready. The estimate appears here.
How the calculation works
A mathematical projection of how a balance grows when interest is added on a schedule you choose. It is not a CETES, Afore or bank quote.
Formula
Each period: balance = (balance + contribution) × (1 + r/n)
Worked example
A saver starts with MXN 50,000, adds MXN 2,000 monthly, and earns 8% compounded monthly for 10 years.
Future value
MXN 479,313.36
- Starting amount50000.00
- Total contributed290000.00
- Interest earned189313.36
- Future value479313.36
Official sources
This tool uses general mathematics rather than a country-specific statute.
Assumptions
- Nominal rate, no tax on interest.
Not covered
- Inflation, ISR on interest, and early-withdrawal penalties.
FAQ
Does this include Mexican tax on interest?
No. Banks may withhold ISR on interest separately.
Related calculators
Found a possible error in this calculation? Report it
This tool provides an estimate based on the stated assumptions, exclusions and rules. Your actual result can vary. It is not tax, legal, accounting or employment advice, and it is not an official government calculator.