Forex Calculators
Use forex pair calculators to simulate currency ROI with historical rates for EUR/USD, GBP/USD, USD/JPY, and major crosses.
Filter majors or crosses, search by currency code, and see percentage change between dates—educational backtests only; spreads and leverage are not modeled.
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Choose an asset below to open its ROI calculator and simulate returns between two dates using historical prices.
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How these calculators work
Forex pair calculators and historical rate backtests
Foreign exchange markets quote currency pairs (for example EUR/USD or USD/JPY). This hub provides free ROI calculators per pair so you can explore how a notional conversion would have performed between two dates using historical daily rates stored on CalculatorInvest.
Forex here is framed as educational simulation: you are not placing trades or modeling spread, swap, or leverage unless you add assumptions manually. Each pair page lets you set dates and amounts, pull historical levels, and read percentage return—not a live trading platform.
Majors, crosses, and how to navigate the list
Use filters for Majors, Crosses, or JPY/CHF groupings to narrow hundreds of combinations. Symbols display in standard six-character form; titles show human-readable pair names. Press / to search by currency code or country name.
Forex vs stocks or crypto on this site
Stocks and ETFs reflect equity market hours and corporate events. Crypto calculators on the crypto hub use digital-asset histories with different volatility. Forex sits in the middle for many portfolios as a macro and liquidity benchmark—use these tools to compare currency drift over a window, not to predict intraday moves.
Limitations
Rates are end-of-day; weekends and holidays may shift effective holding periods. No account required; inputs stay in your browser. See Disclaimer for regulatory context; CalculatorInvest does not provide personalized FX advice.
What you can do with these tools
- Open a calculator, enter buy/sell dates, and simulate ROI using historical daily prices
- Compare two assets side by side in the compare tool
- Use dedicated monthly (DCA) calculators where linked from a row
- Open performance pages for drawdowns, CAGR, and volatility context
FAQ
What does each calculator do?
You open a calculator, enter dates and amounts, and it simulates value, profit/loss, and ROI % from historical daily closes (or prices you enter).
Do I need an account?
No. The calculators run in your browser; we do not store your inputs.