Currency Exchange Calculator

A currency exchange calculator converts an amount between currencies using a mid-market rate, then models the bank spread and fixed fees applied by financial institutions to show what you actually receive. Use this calculator for accurate, instant results.

The calculator uses the standard published formula for currency exchange. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Mid-market Rate = true interbank exchange rate. Each step in the calculation is shown so you can verify the result manually.