Tool Nova

LLM VRAM Calculator for AI Model Inference

Local AI planning

LLM VRAM Calculator

Estimate inference memory for quantized language models, context cache, and runtime overhead.

Model parameters (billions)
Weight precision
Context length
Runtime overhead (%)
Estimated VRAM3.9 GBInference estimate, not a hardware guaranteeSuggested capacity8 GB GPU
Weights3.3 GBKV cache estimate0.0 GB

Discover more tools

Explore more tools in this category, browse popular utilities, or check recently added tools on Tool Nova.

How this llm vram calculator works

Enter the model parameter count.

Choose weight precision and context length.

Review estimated VRAM and suggested GPU capacity.

Frequently Asked Questions

Is this an exact hardware requirement?

No. Architectures and runtimes vary, so use it as a practical planning estimate.