Calculating Approximate Distance From Lightning

 Distance of Lightning Calculator

An online calculator provides you the approx. distance from lightning and thunder.


Lighting Distance Chart

How many seconds lapsed from when you originally saw the lightning flash until you heard it strike

If thunder is heardThe lightning is
5 seconds after a flash1 mile away
10 seconds after a flash2 miles away
15 seconds after a flash3 miles away
20 seconds after a flash4 miles away
25 seconds after a flash5 miles away
30 seconds after a flash6 miles away