Exchange Rate Tool
Convert currencies and view exchange rates using free API from exchangerate-api.com. No API key required.
When to Use
- Convert between any currencies
- Check current exchange rates
- View rate tables for multiple currencies
- Calculate cross-currency conversions
Quick Start
Convert Currency
python3 scripts/exchange-rate.py convert 100 USD CNY
# Output: $100.0000 = ¥692.0000
View Exchange Rates
python3 scripts/exchange-rate.py rate USD
# Shows rates for major currencies against USD
List Supported Currencies
python3 scripts/exchange-rate.py list
Commands
convert <amount> <from> <to>
Convert an amount from one currency to another.
Examples:
# USD to CNY
python3 scripts/exchange-rate.py convert 100 USD CNY
# EUR to USD
python3 scripts/exchange-rate.py convert 50 EUR USD
# JPY to CNY
python3 scripts/exchange-rate.py convert 10000 JPY CNY
rate <base_currency>
View exchange rates for major currencies against a base currency.
Examples:
# Rates against USD (default)
python3 scripts/exchange-rate.py rate USD
# Rates against CNY
python3 scripts/exchange-rate.py rate CNY
# Rates against EUR
python3 scripts/exchange-rate.py rate EUR
list
List all supported currency codes (150+ currencies).
python3 scripts/exchange-rate.py list
Common Currency Codes
| Code | Currency | Code | Currency |
|---|---|---|---|
| USD | US Dollar | CNY | Chinese Yuan |
| EUR | Euro | JPY | Japanese Yen |
| GBP | British Pound | KRW | South Korean Won |
| AUD | Australian Dollar | HKD | Hong Kong Dollar |
| CAD | Canadian Dollar | TWD | New Taiwan Dollar |
| CHF | Swiss Franc | SGD | Singapore Dollar |
| INR | Indian Rupee | RUB | Russian Ruble |
| BRL | Brazilian Real | MXN | Mexican Peso |
Notes
- Rates are updated daily (typically around 00:00 UTC)
- API is free and requires no authentication
- Results include the date of the rate data
- Supports 150+ world currencies
Data Source
This skill uses the free tier of exchangerate-api.com, which provides:
- Daily updated rates
- 150+ supported currencies
- No API key required
- Rate limits apply (be reasonable with usage)
Example Output
💱 汇率转换
$100.0000 = ¥692.0000
汇率: 1 USD = 6.920000 CNY
日期: 2026-02-24