Interest Rate Parity Calculator: Analyze Forex Equilibrium Instantly

Use this calculator to check whether a forward FX quote matches interest-rate parity. Enter the foreign rate, spot and forward quotes; the tool returns the implied domestic rate. Example: 3.5 % foreign rate, 0.8450 forward and 0.8300 spot give 5.37 % implied home rate. Global FX trading averages $7.5 trillion each day (BIS, 2023).