Home
Back
MPH Formula:
| From: | To: |
The 1/8 Mile Speed Calculator estimates a vehicle's speed at the end of a 1/8 mile drag strip based on elapsed time. This is commonly used in drag racing to measure vehicle performance over the shorter 1/8 mile distance.
The calculator uses the formula:
Where:
Explanation: This formula provides a quick estimation of a vehicle's speed at the end of a 1/8 mile drag strip based on the time it took to cover that distance.
Details: Calculating 1/8 mile speed is important for drag racers to evaluate vehicle performance, compare different setups, and predict quarter-mile times. Many drag strips are 1/8 mile in length, making this calculation particularly relevant.
Tips: Enter the elapsed time in seconds that the vehicle took to complete the 1/8 mile distance. The value must be greater than 0.
Q1: Why use 234 in the formula?
A: The constant 234 is derived from the relationship between distance, time, and speed for a 1/8 mile track, accounting for the conversion factors needed.
Q2: How accurate is this calculation?
A: This provides a good estimation for most vehicles, but actual speed can vary based on traction, vehicle setup, and track conditions.
Q3: Can I use this for quarter-mile calculations?
A: No, this formula is specifically designed for 1/8 mile calculations. Quarter-mile calculations require a different formula.
Q4: What is a good 1/8 mile time?
A: This varies greatly by vehicle type. Street cars might run 8-10 seconds, while professional dragsters can complete 1/8 mile in under 5 seconds.
Q5: Does this account for vehicle launch characteristics?
A: No, this is a simple calculation based solely on elapsed time. Different launch techniques will affect the time but are not specifically accounted for in this formula.