Can I compare different fractionation schedules side-by-side?

Yes, the tool allows up to five dose/fractionation plans to be compared simultaneously, with separate alpha/beta ratio adjustments for each plan.

What does the alpha/beta ratio represent in the calculations?

The alpha/beta ratio is a parameter in the linear-quadratic model that reflects the sensitivity of tissue to fraction size; users can edit this value for each plan to tailor the BED and EQD2 outputs.

Are the calculated BED and EQD2 values adjustable if my clinical protocol changes?

Yes, all input fields including total dose, number of fractions, and alpha/beta ratio are editable, allowing recalculation whenever protocol parameters change.

Is my data saved or stored when I use the calculator?

The site uses cookies to preload inputs on return visits, but it states that no individual's information is collected or sold, and a disclaimer is provided for user review.

Medical & ClinicalTool Review

BED Calculator

Provided byBayta Systemsbayta.us

This free web tool calculates BED and EQD2 based on total dose and fractionation schema. It allows comparing up to fi...

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About this tool

What BED Calculator does

The BED Calculator on Bayta Systems computes the Biologically Effective Dose (BED) and Equivalent Dose in 2 Gy per fraction (EQD2) using the linear-quadratic model. Users input total dose and fractionation schema to evaluate radiation therapy treatment plans. The tool outputs BED and EQD2 values in separate tables, with fields highlighted in green for editing. A key feature is the ability to compare up to five dose/fractionation plans side-by-side, adjusting alpha/beta ratios for each plan individually. The interface is browser-based with no subscription required, and input values are saved in cookies for convenience on return visits. A disclaimer and references section is included at the bottom of the page.

Step by step

How to use the Bayta Systems BED Calculator

1
Select the number of input plans (1 to 5) using the Number of Inputs control
2
Enter the total dose and number of fractions for each plan in the input table
3
Adjust the alpha/beta ratio for each plan using the editable green fields
4
View the calculated BED and EQD2 results in their respective tables below the inputs

Is it right for you

Best for

Radiation oncologists and medical physicists who need to quickly compare multiple fractionation schedules and alpha/beta ratios for treatment plan evaluation.

Limitations

Results are based on the linear-quadratic model and may not reflect all clinical scenarios
No unit switching between Gray and rad; inputs assumed in Gray
Cookie-based input storage may raise privacy concerns for sensitive patient data

Questions

BED Calculator FAQ

Can I compare different fractionation schedules side-by-side?: Yes, the tool allows up to five dose/fractionation plans to be compared simultaneously, with separate alpha/beta ratio adjustments for each plan.
What does the alpha/beta ratio represent in the calculations?: The alpha/beta ratio is a parameter in the linear-quadratic model that reflects the sensitivity of tissue to fraction size; users can edit this value for each plan to tailor the BED and EQD2 outputs.
Are the calculated BED and EQD2 values adjustable if my clinical protocol changes?: Yes, all input fields including total dose, number of fractions, and alpha/beta ratio are editable, allowing recalculation whenever protocol parameters change.
Is my data saved or stored when I use the calculator?: The site uses cookies to preload inputs on return visits, but it states that no individual's information is collected or sold, and a disclaimer is provided for user review.

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