Token Calculator
Calculate the estimated token count for your text. Supports English, Chinese, and code.
Result
Estimated Tokens
0
Characters
0
Token Breakdown
How It Works
Our token calculator uses standard tokenization algorithms to estimate the number of tokens in your text. The calculation considers character count, whitespace, and language-specific patterns. While very accurate, actual token counts may vary slightly depending on the specific AI model.
Token Estimates
- English text:~4 characters per token
- Chinese text:~2.5 characters per token
- Code:~3 characters per token
- Mixed content:~3.5 characters per token
Frequently Asked Questions
What is a token?
A token is a unit of text that AI models process. It can be as short as one character or as long as one word. For example, "ChatGPT" is one token, while "Chat GPT" is two tokens. Understanding tokens is important for managing API costs and context limits.
How accurate is this calculator?
Our calculator provides estimates based on standard tokenization patterns. For English text, it's typically 90-95% accurate compared to actual GPT tokenization. For other languages and code, accuracy may vary slightly. For precise counts, always refer to the specific model's tokenizer.
Why do I need to calculate tokens?
Token counting is essential for several reasons: managing API costs (you pay per token), staying within model context limits, and optimizing your prompts for better performance. Knowing your token count helps you make informed decisions about which AI model to use.
Is my data safe?
Yes, absolutely. All calculations happen locally in your browser. Your text is never sent to any server or stored anywhere. You can safely use this tool with sensitive information.