Physics
Lightning Distance Calculator
Estimate storm distance from thunder delay using the speed of sound.
Free to use — no sign-up or login.
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This free Lightning Distance Calculator covers Estimate storm distance from thunder delay using the speed of sound.
Light arrives almost instantly; thunder delay times sound speed gives distance. Related physics tools sit beside How it works, with no account required.
Using the Lightning Distance Calculator
Estimate storm distance from thunder delay using the speed of sound. Typical inputs are Seconds between flash and thunder and Speed of sound (m/s). How it works beside the form states the identity the Lightning Distance Calculator applies.
FAQ
How do I use the Lightning Distance Calculator?
Open the Lightning Distance Calculator, fill Seconds between flash and thunder and Speed of sound (m/s), and read the result. Multiply delay by the speed of sound (default 343 m/s).
What formula does the Lightning Distance Calculator use?
The Lightning Distance Calculator uses the identity in How it works. In words: Multiply delay by the speed of sound (default 343 m/s).