Radon Detector Calculator
Calculate the number of detectors needed for your home, new construction according to CTE DB-HS6, or workplace according to RD 1029/2022. Free professional tool.
What do you need to measure radon for?
Workplace measurement
Calculate the detectors needed according to CSN IS-47 Instruction and RD 1029/2022.
Measurement obligation: Radon measurement is mandatory in workplaces located in Zone II municipalities (per CSN IS-47) and in all underground workplaces, regardless of location.
Check if my municipality is in Zone IISampling zones
Add only zones where workers spend more than 50 hours per year (exclude transit or occasional-use areas). If a premises has both compartmentalized and open areas, add them separately.
Per IS-47: 1 detector per office/room
Attach floor plans (optional)
Attach floor plans or images for a more accurate assessment.
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Accepted formats: JPG, PNG, PDF
Maximum size: 10 MB per file