10-20 System Calculator
Select Montage:
NPSG
Seizure Montage
Nasion to Inion (cm):
Pre-auricular to Pre-auricular (cm):
Circumference (cm):
Calculate
Fpz
Fz
Cz
Pz
Oz
Fp1
F3
C3
P3
O1
Fp2
F4
C4
P4
O2
F7
T3
T5
F8
T4
T6
How to Use
Follow these steps to calculate electrode positions using the 10-20 System Calculator:
Select Montage:
Choose between NPSG or Seizure Montage from the dropdown menu.
Enter Measurements:
Input the Nasion to Inion distance, Pre-auricular distance, and Head Circumference in centimeters.
Calculate:
Click on the "Calculate" button to compute electrode positions and view the results.
View Results:
The calculated distances will be displayed in a table, and electrodes will be highlighted on the head diagram.
Interact:
Hover over or tap on an electrode to see a tooltip with detailed measurements.
Measurements Between Electrodes:
Dotted lines with measurements will appear between specific electrode pairs for the selected montage.