LoRA Rank Calculator

Calculate LoRA parameters and memory savings.

LoRA Configuration

Model Size (Billions)

Hidden Size

Number of Layers

LoRA Rank (r)

LoRA Alpha

Target Modules

Precision

LoRA Parameters

8.39M

0.120% of original model

💾LoRA Memory

16.0 MB

📉Memory Saved

74.9%

Scaling Factor (alpha/r)2.00

Target ModulesQuery + Value

Params per Layer262.1K

Params per Module131.1K

Full Fine-tuning52.2 GB

LoRA Fine-tuning13.1 GB

Training Speedup~9.9x

Common settings: r=8-16 for simple tasks, r=32-64 for complex tasks. Alpha is typically 2x the rank.

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MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

ðŸ”„Last reviewed: May 2026

âœ“Formula checks are based on standard references and internal QA review.