Convert Kilometers Per Hour Per Second (km/h/s) to Meters Per Second Squared (m/s²)

1 kilometer per hour per second equals 0.277778 meters per second squared.

Formula: m/s² = km/h/s × 0.277778

Kilometer Per Hour Per Second to Meter Per Second Squared Converter

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How to Convert Kilometer Per Hour Per Second to Meter Per Second Squared

1 kilometer per hour per second = 0.277778 meters per second squared

Meter Per Second Squared = Kilometer Per Hour Per Second × 0.277778

Example: 1 km/h/s × 0.277778 = 0.277778 m/s²

Reverse Conversion

To convert meters per second squared back to kilometers per hour per second:

  • Remember, 1 meter per second squared equals 3.6 kilometers per hour per second.
  • To convert 0.277778 m/s² to km/h/s, multiply 0.277778 x 3.6, resulting in 1 km/h/s.

Common Kilometer Per Hour Per Second to Meter Per Second Squared Conversions

Kilometer Per Hour Per Second to Meter Per Second Squared (Part 1)
Kilometer Per Hour Per Second Meter Per Second Squared Actions
1 kilometer per hour per second 0.277778 meters per second squared
3.6 kilometers per hour per second 1 meter per second squared
5 kilometers per hour per second 1.38889 meters per second squared
10 kilometers per hour per second 2.77778 meters per second squared
Kilometer Per Hour Per Second to Meter Per Second Squared (Part 2)
Kilometer Per Hour Per Second Meter Per Second Squared Actions
20 kilometers per hour per second 5.55556 meters per second squared
36 kilometers per hour per second 10 meters per second squared
50 kilometers per hour per second 13.8889 meters per second squared
100 kilometers per hour per second 27.7778 meters per second squared

Kilometers per hour per second to meters per second squared Conversion Table

Reference table with common kilometers per hour per second to meters per second squared conversions. All values calculated with high precision.

Kilometers Per Hour Per Second to Meters Per Second Squared Table
0.001 to 5

Kilometers per hour per second Meters per second squared Actions
0.001 km/h/s 0.000277778 m/s²
0.0025 km/h/s 0.000694444 m/s²
0.005 km/h/s 0.00138889 m/s²
0.01 km/h/s 0.00277778 m/s²
0.025 km/h/s 0.00694444 m/s²
0.05 km/h/s 0.0138889 m/s²
0.1 km/h/s 0.0277778 m/s²
14 km/h/s 0.0694444 m/s²
12 km/h/s 0.138889 m/s²
1 km/h/s 0.277778 m/s²
12 km/h/s 0.694444 m/s²
5 km/h/s 1.38889 m/s²

Kilometers Per Hour Per Second to Meters Per Second Squared Table
10 to 1000000

Kilometers per hour per second Meters per second squared Actions
10 km/h/s 2.77778 m/s²
25 km/h/s 6.94444 m/s²
50 km/h/s 13.8889 m/s²
100 km/h/s 27.7778 m/s²
250 km/h/s 69.4444 m/s²
500 km/h/s 138.889 m/s²
1000 km/h/s 277.778 m/s²
2500 km/h/s 694.444 m/s²
5000 km/h/s 1388.89 m/s²
10000 km/h/s 2777.78 m/s²
25000 km/h/s 6944.44 m/s²
50000 km/h/s 13888.9 m/s²
100000 km/h/s 27777.8 m/s²
250000 km/h/s 69444.4 m/s²
500000 km/h/s 138889 m/s²
1000000 km/h/s 277778 m/s²

Meters Per Second Squared to Kilometers Per Hour Per Second Table
0.0001 to 12

Meters per second squared Kilometers per hour per second Actions
0.0001 m/s² 0.00036 km/h/s
0.00025 m/s² 0.0009 km/h/s
0.0005 m/s² 0.0018 km/h/s
0.001 m/s² 0.0036 km/h/s
0.0025 m/s² 0.009 km/h/s
0.005 m/s² 0.018 km/h/s
0.01 m/s² 0.036 km/h/s
0.025 m/s² 0.09 km/h/s
0.05 m/s² 0.18 km/h/s
0.1 m/s² 0.36 km/h/s
14 m/s² 0.9 km/h/s
12 m/s² 1.8 km/h/s

Meters Per Second Squared to Kilometers Per Hour Per Second Table
1 to 100000

Meters per second squared Kilometers per hour per second Actions
1 m/s² 3.6 km/h/s
12 m/s² 9 km/h/s
5 m/s² 18 km/h/s
10 m/s² 36 km/h/s
25 m/s² 90 km/h/s
50 m/s² 180 km/h/s
100 m/s² 360 km/h/s
250 m/s² 900 km/h/s
500 m/s² 1800 km/h/s
1000 m/s² 3600 km/h/s
2500 m/s² 9000 km/h/s
5000 m/s² 18000 km/h/s
10000 m/s² 36000 km/h/s
25000 m/s² 90000 km/h/s
50000 m/s² 180000 km/h/s
100000 m/s² 360000 km/h/s

Definition of Kilometer Per Hour Per Second

Kilometer per Hour per Second: Automotive Acceleration

The kilometer per hour per second (km/h/s) is a practical unit of acceleration widely used in the automotive industry. It measures how quickly a vehicle's speed in km/h changes each second. This unit is intuitive for understanding vehicle performance, especially 0 to 100 km/h acceleration times.

Conversions to Other Units of Measurement:

  1. Meter per Second Squared (m/s²): 1 km/h/s equals approximately 0.27778 m/s² (exactly 1/3.6). This conversion is essential for physics calculations involving vehicle dynamics.
  2. Standard Gravity (g): 1 km/h/s is approximately 0.02832 g. A sports car that accelerates from 0 to 100 km/h in 3 seconds experiences about 0.94 g average acceleration.
  3. Mile per Hour per Second (mph/s): 1 km/h/s is approximately 0.62137 mph/s. This allows conversion between European and US automotive specifications.
  4. Foot per Second Squared (ft/s²): 1 km/h/s equals approximately 0.9113 ft/s². Used in US engineering calculations.
  5. Galileo (Gal): 1 km/h/s equals approximately 27.78 Gal.

This unit is particularly popular in European automotive journalism and specifications, making acceleration performance easy to understand for drivers and enthusiasts.

Definition
Practical acceleration unit; change in velocity of 1 km/h in 1 second.
Exact factor
1 km/h/s = 1/3.6 m/s² = 0.277̄ m/s²
Common equivalents
  • 1 km/h/s = 1000/3600 m/s²
  • 1 km/h/s ≈ 0.02832 g
  • 1 km/h/s ≈ 0.6214 mph/s
Context
A car going 0-100 km/h in 5 seconds has average acceleration of 20 km/h/s (≈ 0.57 g)

Definition of Meter Per Second Squared

Meter per Second Squared: The SI Unit of Acceleration

The meter per second squared (m/s²) is the SI derived unit of acceleration. It represents the rate of change of velocity, measuring how quickly an object speeds up or slows down. One meter per second squared means that the velocity of an object changes by one meter per second every second.

Conversions to Other Units of Measurement:

  1. Standard Gravity (g): 1 m/s² is equal to approximately 0.10197 g. This conversion is useful in physics and engineering when comparing accelerations to Earth's gravitational pull. For example, an acceleration of 9.81 m/s² equals approximately 1 g.
  2. Foot per Second Squared (ft/s²): 1 m/s² is equal to approximately 3.28084 ft/s². This conversion is commonly used in aerospace and automotive industries in the United States.
  3. Galileo (Gal): 1 m/s² equals 100 Gal. The Galileo is used in geodesy for measuring very small accelerations, such as variations in Earth's gravitational field.
  4. Kilometer per Hour per Second (km/h/s): 1 m/s² equals 3.6 km/h/s. This is the standard way to express vehicle acceleration performance (0 to 100 km/h times).
  5. Mile per Hour per Second (mph/s): 1 m/s² is approximately 2.23694 mph/s. Often used in US automotive contexts for 0-60 mph acceleration specifications.

The meter per second squared is fundamental in physics, used to describe motion, forces (through Newton's second law: F = ma), and gravitational effects.

Definition
SI derived unit of acceleration; change in velocity of 1 meter per second in 1 second.
Dimension
L T⁻² (length per time squared)
Common equivalents
  • 1 m/s² = 100 Gal (exact)
  • 1 m/s² ≈ 0.101972 g
  • 1 m/s² ≈ 3.28084 ft/s²
Sources

About the Kilometer Per Hour Per Second

Car enthusiasts worldwide use this unit to compare vehicle performance. A Tesla Model S Plaid can accelerate from 0 to 100 km/h in about 2 seconds, meaning it achieves approximately 50 km/h/s—nearly 1.4 g!

For perspective: walking pace (5 km/h) accelerated from rest in 1 second equals 5 km/h/s, which feels gentle. But 100 km/h/s would pin you to your seat with nearly 3 g of force.

About the Meter Per Second Squared

The meter per second squared is not just an abstract unit—it describes everyday experiences. When you press the accelerator in a car, the push you feel is acceleration. A typical car might accelerate at 3-4 m/s², while high-performance sports cars can exceed 10 m/s² (over 1 g).

In space exploration, acceleration is crucial. Astronauts experience about 3 g (≈29.4 m/s²) during rocket launches, while spacecraft use tiny accelerations (milligrams) for precision orbital maneuvers.

Frequently Asked Questions

How many meters per second squared are in one kilometer per hour per second?

One kilometer per hour per second equals 0.277778 meters per second squared. To convert, multiply the kilometer per hour per second value by 0.277778. For the reverse, divide the meter per second squared value by 0.277778 (or multiply by 3.6).

What is 100 kilometers per hour per second in meters per second squared?

100 kilometers per hour per second = 27.778 meters per second squared. This is one of the most commonly searched conversions for this pair.

How precise is the kilometer per hour per second-to-meter per second squared conversion?

The factor 0.277778 is accurate to 6 significant figures, derived from international measurement standards. Our calculator uses full precision internally.

Related in other categories:

  • m/s to km/hSpeed is the integral of acceleration over time
Conversion factors verified against NIST, BIPM Derived from SI base units (m/s², BIPM). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.