Enter the power of your engine and the total weight of your vehicle to calculate the power-to-weight ratio (PWR).
Use this energy to weight ratio calculator to apprehend the actual overall performance ability of your automobile, system, or even your self as a bike owner. The calculator is a beneficial alternative for evaluating the electricity (potential to do paintings) of some thing to its weight (mass).
The power-to-weight ratio is a dimension that enables to evaluate the strength output of a device (like an engine or motor) when it comes to its weight. it's a key metric used to evaluate the performance of many stuff, such as motors, athletes, and aircraft. normally, a higher electricity-to-weight ratio shows better acceleration and handling. it's also utilized by cyclists to evaluate their fitness level.
Here's why it is essential:
Through know-how PWR, you may make informed choices whilst choosing equipment or education techniques to enhance your cycling performance. A electricity-to-weight ratio calculator may be a treasured device on this process. keep in mind that PWR is a calculated value, and factors like friction and air resistance can have an effect on it.
Follow those 3 easy steps to calculate PWR:
Determine the strength output of the item or car. take into account that gadgets can range but the maximum commonplace units which might be used are horsepower (hp) for engines or watts (W) for automobiles. you could locate the energy output on the user guide, or product specification sheet or can seek on line.
Weigh your object or automobile. kilos (lb) or kilograms (kg) are the two common devices that are used to measure weight. For motors, shrink weight(weight of the automobile without passengers or shipment) is used.
PWR =\(\frac{Power}{Weight}\)
As an alternative: Our electricity to weight ratio calculator also uses those pre-defined formulas to convert your inputs right into a meaningful hp to weight ratio, so you can have a deeper understanding of your device or automobile's performance.
1 . Calculate the power-to-weight ratio of a vehicle with a weight of 3,000 kilos and an engine strength of 350 horsepower.
Solution:
Given that:
By adding values in the power-to-weight ratio (PWR) formula:
=\(\frac{350}{3000}\)
= 0.11667 (hp(l)/lb)
2. Find power to weight ratio of a cyclist who weighs 60 kg and can sustain a power output of 210 watts.
Solution:
Given that:
Put values in the power-to-weight ratio formula:
=\(\frac{210}{60}\) = 3.5 W/Kg
To quickly get the PWR values, use the power to weight calculator.
| Weight | 120W | 150W | 180W | 210W | 240W | 270W | 300W | 330W | 360W | 390W |
| 45kg | 2.7 | 3.3 | 4.0 | 4.7 | 5.3 | 6.0 | 6.7 | 7.3 | 8.0 | 8.7 |
| 50kg | 2.4 | 3.0 | 3.6 | 3.8 | 4.8 | 5.4 | 6.0 | 6.6 | 7.2 | 7.8 |
| 55kg | 2.2 | 2.7 | 3.3 | 3.5 | 4.4 | 4.9 | 5.4 | 6.0 | 6.5 | 7.1 |
| 60kg | 2.0 | 2.5 | 3.0 | 3.2 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 | 6.5 |
| 65kg | 1.8 | 2.3 | 2.8 | 3.0 | 3.7 | 4.1 | 4.6 | 5.0 | 5.5 | 6.0 |
| 70kg | 1.7 | 2.1 | 2.6 | 2.8 | 3.4 | 3.8 | 4.3 | 4.7 | 5.1 | 5.6 |
| 75kg | 1.6 | 2.0 | 2.4 | 2.6 | 3.2 | 3.6 | 4.0 | 4.4 | 4,8 | 5.2 |
| 80kg | 1.5 | 1.9 | 2.2 | 2.5 | 3.0 | 3.4 | 3.8 | 4.1 | 4.5 | 4.9 |
| 85kg | 1.4 | 1.8 | 2.1 | 2.3 | 2.8 | 3.2 | 3.5 | 3.9 | 4.2 | 4.6 |
| 90kg | 1.3 | 1.7 | 2.0 | 2.2 | 2.7 | 3.0 | 3.3 | 3.7 | 4.0 | 4.3 |
| 95kg | 1.2 | 1.5 | 1.9 | 2.0 | 2.5 | 2.8 | 3.2 | 3.5 | 3.8 | 4.1 |
It relies upon at the particular utility and motor design. but, everlasting magnet vehicles are generally taken into consideration to have the highest electricity-to-weight ratio because of their excessive torque, density, and relatively lightweight construction.
The automobile electricity to weight ratio allows to know how speedy a automobile can accelerate. whilst PWR is a important factor, it is not the most effective thing that determines acceleration.
