Finance Tools
Savings, investments, pensions, and money maths — with country-aware rules.
11 tools · 11 live
Break Even Calculator
Find your break-even point.
OpenCurrency Converter
Convert between world currencies.
OpenDividend Calculator
Estimate dividend income and multi-year returns.
OpenInflation Calculator
See how inflation changes buying power.
OpenInvestment Growth Calculator
Model long-term investment growth.
OpenISA Calculator
Estimate ISA savings growth (UK).
OpenPension Calculator
Estimate retirement pension pots.
OpenProfit Margin Calculator
Calculate profit margin and markup.
OpenROI Calculator
Measure return on investment.
OpenRoth IRA Calculator
Project Roth IRA growth with US limits.
OpenSavings Calculator
Project savings with regular deposits.
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