Monetra Guides

Understand the tools before using the numbers

Practical, bilingual guides that explain what each Monetra calculator does, which assumptions matter and how to interpret the results.

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Investing10 min read

Compound interest calculator: project an investment over time

See how capital, contributions, time, return and fees shape a projection, then interpret the final value without treating an assumption as a promise.

Income10 min read

Understand gross pay, take-home pay, taxable net salary and progressive income tax through a worked €60,000 executive-salary example.

Real estate11 min read

Measure the buyer's net property equity against the renter-investor's portfolio using explicit assumptions for time, housing and ETF returns.

Real estate11 min read

Analyze a furnished rental using total acquisition cost, vacancy, expenses, financing and tax assumptions that match the calculator's mechanics.

Real estate9 min read

Enter the price, purchase costs, down payment, rate and insurance, then interpret the monthly payment and amortization schedule correctly.

Real estate9 min read

Build a property financing plan from several loans, check that funding balances and identify overlapping payments on one merged schedule.

Real estate11 min read

Understand when the model buys another property, how it consolidates cash and debt, and why cash flow, equity and wealth tell different stories.