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Tired Weight

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    The Exploratorium

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Tired Weight

Yes, you can weigh your car by figuring out your wheel's tire pressure combined with the "tire's footprint." You'll need someone with a car, driver's license, and safety in mind.

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:

Age Range:
Ages 11 - adult

Resource Type:


Materials List (per student)

  • A car
  • Tire gauge that measures in psi (pounds per square inch)
  • Ruler or measuring tape that measures in inches
  • A clean, flat, dry piece of ground
  • Thin cardboard or manila folders


  • Mathematics
    • Data Analysis and Probability
      • Data Analysis
      • Data Collection
    • Measurement
  • Physical Sciences
    • Motion and Forces
      • Gravity
    • States of Matter
    • Structure and Properties of Matter
      • Mass and Weight
      • Volume and Density
  • The Nature of Science
    • The Scientific Process
      • Gathering Data
      • Communicating Results
  • The Nature of Technology
    • The Design Process
      • Problem Solving
      • Troubleshooting and Maintenance


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Access Rights:

  • Free access




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