Radiation Dose Calculator
Cumulative radiation dose and annual limit comparison.
Enter your values
ⓘ Live results
Results
- Dose from this exposure
- 2.4 µSv
- Dose from this exposure
- 0.0024 mSv
- New annual total
- 0.002 mSv
- Percent of 1 mSv public limit
- 0.2%
Quick answer
Cumulative dose = dose rate x exposure time.
Dose = rate x time
How to use the Radiation Dose Calculator
- 1Enter the dose rate (measured from a dosimeter or published source data).
- 2Enter how many hours the exposure lasts.
- 3Add any existing annual dose to see the running total against common limits.
Worked example
Using the values the calculator loads with:
Inputs
- Dose rate0.1 µSv/hour
- Exposure time24 hours
- Existing annual dose0 mSv
Results
- Dose from this exposure2.4 µSv
- Dose from this exposure0.0024 mSv
- New annual total0.002 mSv
- Percent of 1 mSv public limit0.2%
Frequently asked questions
What is a typical background dose?
Natural background radiation is roughly 2-3 mSv per year worldwide, varying by location.
What is the public dose limit?
Regulatory bodies commonly set 1 mSv/year for the public above background and medical exposure.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.