Tools workspace

All Ferrum Nexus calculators and simulators in one place. Choose a tool from the sidebar or the cards below.

Comparador de cartões

Compare anuidades, pontos, cashback e vantagens com fontes oficiais.

Compare market exchange rates, official daily PTAX and tourism references. Check sources, dates and estimate exchange costs.

Simulate instalments with money invested, monthly withdrawals and cashback or points and miles.

Simulate compound interest with contributions, automatic taxes, inflation and maturities. Compare investments and track your net wealth.

Convert 16 quantities including energy, power, pressure, length and temperature.

Convert annual, monthly and daily compound rates and calculate income by holding days.