Currency Converter Calculator Formula
Understand the math behind the currency converter calculator. Each variable explained with a worked example.
Formulas Used
Converted Amount
converted = amount * exchange_rateInverse Rate
inverse = exchange_rate > 0 ? 1 / exchange_rate : 0Variables
| Variable | Description | Default |
|---|---|---|
amount | Amount | 1000 |
exchange_rate | Exchange Rate | 1.08 |
How It Works
Currency Conversion
Converted Amount = Original Amount × Exchange Rate
Enter the current exchange rate manually (check Google or XE.com for live rates). For example, if 1 USD = 1.08 EUR, use 1.08 as the rate to convert USD to EUR.
Worked Example
Convert $1,000 USD to EUR at rate of 1.08.
amount = 1000exchange_rate = 1.08
- 01$1,000 × 1.08 = €1,080
- 02Inverse: 1 / 1.08 = 0.9259 USD per EUR
Ready to run the numbers?
Open Currency Converter Calculator