Everyday Tools
Currency Converter with Custom Exchange Rate
- Browser-based
- No signup
Convert an amount between common world currencies using an exchange rate you provide. Enter how many units of the target currency equal one unit of the source currency, swap directions, and see the inverse rate. No live market data is fetched—conversion runs entirely in your browser.
100% Client-Side
Your data never leaves your computer.
How to use this tool
1. Enter the amount to convert. 2. Select From and To currencies (⇄ Swap reverses them). 3. Enter the exchange rate (1 source currency equals how many target). 4. Read the converted amount. 5. Copy the result or rate if needed.
Worked example
Example: 100 USD to EUR at a rate of 0.92 gives 92 EUR—use a current rate from your source before relying on the figure.
How it works
Enter an amount, choose the from and to currencies, and provide the exchange rate as how many units of the target currency equal one unit of the source currency. The converter multiplies amount by rate and also shows the inverse rate. Rates are entered by you—no live market data is fetched. Conversion runs entirely in your browser.
Limitations
You enter the exchange rate manually. This tool does not fetch live bank or market rates—verify rates with a trusted source before making decisions.
Privacy and file handling
Your data is processed in your browser and is not uploaded to our server.
Important notice
This converter uses the exchange rate you enter. It does not fetch live market rates. Rates change frequently; verify with a trusted source before making decisions.
Frequently asked questions
Where do exchange rates come from?
You enter the exchange rate yourself. The tool does not fetch live market rates, so you can use a rate from your bank, a news source, or any other reference.
How should I enter the exchange rate?
Enter how many units of the target currency equal one unit of the source currency. For example, if 1 USD = 0.92 EUR, enter 0.92 with From set to USD and To set to EUR.
Is my input stored?
No. Conversion runs locally in your browser and values are not stored.
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