Home Back

Calculate Mass From Weight

Mass Formula:

\[ m = \frac{W}{g} \]

N
m/s²

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Mass Calculation From Weight?

Mass calculation from weight involves converting the force of weight (measured in Newtons) to mass (measured in kilograms) using the gravitational acceleration constant. This is based on Newton's second law of motion: F = m × g.

2. How Does the Calculator Work?

The calculator uses the mass formula:

\[ m = \frac{W}{g} \]

Where:

Explanation: The formula rearranges Newton's second law to solve for mass, dividing weight by the gravitational acceleration.

3. Importance of Mass Calculation

Details: Accurate mass calculation is essential in physics, engineering, and various scientific applications where the distinction between mass and weight is crucial.

4. Using the Calculator

Tips: Enter weight in Newtons and gravitational acceleration in m/s². Standard Earth gravity is 9.81 m/s². All values must be positive.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between mass and weight?
A: Mass is the amount of matter in an object (constant), while weight is the force exerted on that mass by gravity (varies with location).

Q2: Why is gravitational acceleration needed?
A: Gravitational acceleration converts between force (weight) and mass using Newton's second law.

Q3: What is standard Earth gravity?
A: Approximately 9.81 m/s², though it varies slightly by location and altitude.

Q4: Can I use this calculator for other planets?
A: Yes, simply use the appropriate gravitational acceleration for that celestial body.

Q5: What units should I use?
A: Weight in Newtons (N), gravitational acceleration in m/s², resulting mass in kilograms (kg).

Calculate Mass From Weight© - All Rights Reserved 2025