Enter any mass value and the acceleration due to gravity. The calculator will convert your mass to weight in your units of choice. This calculator can also convert weight to mass.
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| Calculator Operations | Required Inputs |
|---|---|
| Convert Weight to Mass | Weight, Acceleration Due to Gravity |
| Convert Mass to Weight | Mass, Acceleration Due to Gravity |
| Convert Mass and Weight to Acceleration | Mass, Weight |
Mass to Weight Formula
The following equation is used to convert a mass unit to a weight unit.
W = M*A
- Where W is the weight (N)
- M is the mass (kg)
- A is the acceleration (m/s^2)
If you have some understanding of physics, you might notice that this looks similar to an equation you’ve seen. That equation is F=ma or force equals mass times acceleration. The reason that looks familiar is that they actually are one and the same.
| Power (kW) | Current at 120 V (A) | Current at 208 V (A) | Current at 230 V (A) | Current at 240 V (A) | Current at 277 V (A) | Current at 480 V (A) |
|---|---|---|---|---|---|---|
| 0.25 | 2.08 | 1.20 | 1.09 | 1.04 | 0.90 | 0.52 |
| 0.50 | 4.17 | 2.40 | 2.17 | 2.08 | 1.81 | 1.04 |
| 0.75 | 6.25 | 3.61 | 3.26 | 3.13 | 2.71 | 1.56 |
| 1 | 8.33 | 4.81 | 4.35 | 4.17 | 3.61 | 2.08 |
| 1.5 | 12.50 | 7.21 | 6.52 | 6.25 | 5.42 | 3.13 |
| 2 | 16.67 | 9.62 | 8.70 | 8.33 | 7.22 | 4.17 |
| 3 | 25.00 | 14.42 | 13.04 | 12.50 | 10.83 | 6.25 |
| 4 | 33.33 | 19.23 | 17.39 | 16.67 | 14.44 | 8.33 |
| 5 | 41.67 | 24.04 | 21.74 | 20.83 | 18.05 | 10.42 |
| 7.5 | 62.50 | 36.06 | 32.61 | 31.25 | 27.08 | 15.63 |
| 10 | 83.33 | 48.08 | 43.48 | 41.67 | 36.10 | 20.83 |
| 12 | 100.00 | 57.69 | 52.17 | 50.00 | 43.32 | 25.00 |
| 15 | 125.00 | 72.12 | 65.22 | 62.50 | 54.15 | 31.25 |
| 20 | 166.67 | 96.15 | 86.96 | 83.33 | 72.20 | 41.67 |
| 25 | 208.33 | 120.19 | 108.70 | 104.17 | 90.25 | 52.08 |
| 30 | 250.00 | 144.23 | 130.43 | 125.00 | 108.30 | 62.50 |
| 40 | 333.33 | 192.31 | 173.91 | 166.67 | 144.40 | 83.33 |
| 50 | 416.67 | 240.38 | 217.39 | 208.33 | 180.51 | 104.17 |
| 60 | 500.00 | 288.46 | 260.87 | 250.00 | 216.61 | 125.00 |
| 75 | 625.00 | 360.58 | 326.09 | 312.50 | 270.76 | 156.25 |
| *Formula: I (A) = 1000 × P (kW) ÷ V (volts). Assumes DC or single-phase with power factor = 1. | ||||||
Mass to Weight Definition
Weight is actually a measure of force, it’s just described as a weight to differentiate it from other forces.
Mass to Weight Example
how to convert mass to weight
- First, determine the mass of the object
Through calculations determine the actual mass of the object.
- Next, determine the acceleration
Calculate or measure the acceleration on the object due to gravity. On earth, this is 9.81 m/s^2.
- Calculate the weight
Calculate the weight, also known as force, acting on the object due to gravity.
FAQ
Weight is the force acting on an object due to its mass and the force of gravity of a larger object.
