How to use Currency Converter
Convert an amount using an exchange rate you choose.
- Choose the operation and enter every labeled input, keeping units and the time period consistent.
- Calculate, compare the worked example below and inspect any warnings.
- Change one assumption to compare another scenario; keep the model’s limits in view.
Formula & calculation method
Converted amount = source amount × the destination-currency value of one source-currency unit. Rates are visitor-entered, not a live feed. The same-currency rate must be 1. Actual conversions may include fees and different spreads.
Input reference · 4 fields
These labels describe the calculation’s base units. Supported measurements can switch through the header’s region settings; follow the current workspace labels. Prefilled values are examples.
- Source currency
- The currency you are converting from.
- Destination currency
- The currency you want to convert into.
- Amount to convert
- Amount in your source currency.
- 1 source-currency unit in destination currency
- Enter a rate from your chosen source. Example: 1 EUR = 1.10 USD → enter 1.10.
A quick example
100 EUR at a user-entered rate of 1.10 USD per EUR gives 110 USD before fees.
Assumptions, edge cases & limits
- Educational estimate. Excludes spreads, commissions, swaps, slippage, and broker-specific margin tiers. A stop loss does not guarantee the exit price. Verify contract sizes and rates with your broker.
- The rate is destination units per one source unit. Changing either currency requires a fresh rate unless both currencies are the same.
Questions about Currency Converter
Are these live exchange rates?
No. You enter the destination-currency value of one source-currency unit. The optional Forex market widget is separate and does not populate calculator rates.
Why is the rate cleared when I change currencies?
The old rate belongs to the old currency pair. Enter a fresh rate for the selected direction; changing a currency label alone does not provide a valid exchange rate.
Are my files or inputs uploaded?
Calculation and file processing run in your browser without a processing upload. Downloads go to your device. Choosing a next-step transfer creates a temporary local copy for that workflow. Region preferences are stored separately from tool inputs. See our privacy details.
Can I use this tool for free?
Yes. No signup, subscription or payment is required to use the tool or download its output. File tools have device and size limits; a smaller batch may work better on a phone.
Method & references
Read the underlying method or measurement convention in context. These references do not imply affiliation or endorsement.
OANDA: pips and forex conventions ↗Educational finance estimates. Verify rates and contract specifications with your broker.A result or explanation needs correcting? Tell us the tool name and an example.