HSE’s Noise exposure calculator helps you to estimate and record workers’ exposures to noise and compare them with the exposure action and limit values in the regulations as part of a noise risk assessment.them with the exposure action and limit values in the regulations as part of a noise risk assessment.
It combines the previous daily exposure calculator and weekly exposure calculator in one calculator with separate tabs to help simplify the process. More importantly, advice on actions that should be taken when certain action values are exceeded is also provided.
The calculator contains a new exposure limit value calculator to take into account the attenuation provided by the hearing protection worn when compared with the exposure limit value. Advice is also given in terms of the suitability of hearing protector provided in relation to attenuation. relation to attenuation.
More info you can find here https://www.hse.gov.uk/noise/calculator.htm