Free Tool
Noise Limit & dB Exposure.
Will you be within the council limit at the boundary, and how long is safe to work at a given level? Two quick checks for event sound.
Free to useNo loginMade by working AV crew
Sound level at a distance
0dB
Safe exposure time (OH&S)
Standard
Distance uses the inverse-square law (about minus 6 dB per doubling, free field, real sites vary). Exposure uses 85 dBA over 8 hours with a 3 dB exchange rate (Safe Work Australia). For compliance, measure on site and check your local council limits.
More free tools
Related tools
Pro Audio Calculators
Ten calculators in one, SPL and throw, amp matching, sub delay, power, cable drop, RT60, RF and more.
View page →
Room to PA Recommender
Guests, use and setting to a recommended PA size and power.
View page →
dB / Watts Converter
Power ratios in dB, SPL change and metres to feet.
View page →
Ready to plan your event?
Send us your date, venue and what you need. We reply with a tailored quote within 48 hours.Or email info@enchantent.com.au · ABN 55 936 767 411