LLM Token Counter Calculator

Count tokens fast even for long complex prompts. See costs, limits, and safe context margins. Plan your next chat, shipment, and budget confidently today.

Note: This tool estimates tokens. Exact tokenization varies by model and tokenizer implementation.

Calculator
Estimate tokens from text
Hybrid helps when text mixes prose and code.
Default 4.0 is a common English estimate.
Default 1.33 fits many short-word prompts.
Set 0 if you only want counts.
Leave 0 to skip cost math.
Use your completion pricing.
Pick a mode when output is unknown.
Example: 0.6 means 60% as many tokens.
Useful for hard caps or planned limits.
Adds tokens for message wrappers and request framing.
A small per-message add-on estimate.
A one-time wrapper estimate per run.
Different APIs bill overhead differently.
If you use output ratio or custom output tokens, this field can be empty.
New session

Formula used

  • tokens_chars = ceil(characters ÷ chars_per_token)
  • tokens_words = ceil(words × tokens_per_word)
  • Method picks tokens from chars, words, max, or average.
  • overhead = overhead_per_request + overhead_per_message × message_count
  • cost = (input/1000 × rate_in) + (output/1000 × rate_out)

These formulas are estimates. Tokenizers treat punctuation, whitespace, and uncommon words differently.

How to use

  1. Paste your system and user text into the fields.
  2. Choose an estimation method and tune ratios if needed.
  3. Set a context limit to see usage and remaining space.
  4. If output is unknown, use ratio or custom tokens.
  5. Optionally enter rates to estimate total request cost.

For best planning, keep a margin for tools, function calls, and extra messages.

Example data table

Scenario Prompt chars Prompt words Estimated input tokens Estimated output tokens Total tokens
Short Q&A 420 78 105 60 165
Tool request 1,850 310 490 250 740
Long report draft 8,200 1,350 2,050 1,200 3,250

Numbers above illustrate typical scaling. Your actual tokenizer may differ by language, formatting, and model.

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Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.