Home
Back
Kw Per Tonne Formula:
| From: | To: |
Kw Per Tonne is a measurement that calculates power-to-weight ratio, representing the amount of power (in kilowatts) available per tonne of weight. It's commonly used in automotive, engineering, and transportation industries to evaluate vehicle performance and efficiency.
The calculator uses the simple formula:
Where:
Explanation: This ratio indicates how much power is available to move each tonne of weight, providing insight into acceleration capability and overall performance.
Details: The kw/tonne ratio is crucial for comparing vehicle performance, designing efficient transportation systems, and evaluating machinery capabilities. Higher ratios typically indicate better acceleration and performance potential.
Tips: Enter power in kilowatts and weight in tonnes. Both values must be positive numbers greater than zero for accurate calculation.
Q1: What is a good kw/tonne ratio for vehicles?
A: For passenger cars, 50-75 kW/tonne is considered good, while performance vehicles often exceed 100 kW/tonne. Commercial vehicles typically range from 10-30 kW/tonne.
Q2: How does kw/tonne relate to vehicle performance?
A: Higher kw/tonne ratios generally correlate with better acceleration and hill-climbing ability, though other factors like transmission and aerodynamics also play important roles.
Q3: Can I use horsepower instead of kilowatts?
A: Yes, but you'll need to convert horsepower to kilowatts first (1 kW ≈ 1.341 horsepower) for accurate calculation using this formula.
Q4: Is this calculation used for electric vehicles?
A: Absolutely. The kw/tonne ratio is equally relevant for electric vehicles and is often used to compare performance between electric and combustion engine vehicles.
Q5: What industries use kw/tonne calculations?
A: Automotive, aerospace, marine, railway, and heavy equipment industries all use power-to-weight ratios for performance evaluation and design optimization.