LQ Calculator Radiotherapy
A free, online LQ radiotherapy calculator designed for medical professionals to quickly estimate radiation doses for treatment planning.

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About This Tool
Our LQ Radiotherapy Dose Calculator is a specialized web-based tool developed for radiation oncologists and medical physicists. It computes the biologically effective dose based on inputs such as prescribed dose, fractionation scheme, and tissue sensitivity parameters. The calculator employs established radiobiological formulas, notably the Linear-Quadratic model, to provide accurate dose estimations needed for effective treatment planning.
This tool simplifies complex calculations, saves clinicians time, and enhances decision-making. Its intuitive interface allows users to input clinical data easily, select tissue types, and receive instant results that can be exported or shared. Designed with healthcare safety standards in mind, it supports multiple units and includes validation to prevent input errors.
Ideal for clinics, hospitals, and research institutions, this calculator improves workflow efficiency and helps ensure precise radiation delivery, ultimately supporting better patient outcomes.
How to Use
1. Enter the prescribed dose value (e.g., 60 Gy).
2. Input total number of treatment fractions (e.g., 30).
3. Select tissue type from the dropdown menu.
4. (Optional) Enter radiobiological parameters such as alpha/beta ratio.
5. Click the 'Calculate' button to view results immediately.

FAQs/Additional Resources
Find Quick Answers
What is an LQ calculator in radiotherapy?
How does the LQ calculator improve radiotherapy planning?
Can I export or save my calculations?
Is this tool suitable for all tissue types?
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