40 pounds
18.14 kgMass · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Mass
Just how heavy is 40 pounds?
Everyday mass
40 lb
18.144 kgkilograms
0.018144 ttonnes
01
40 pounds18.14 kgMass · definition
02
Explorer 113.97 kgLaunch mass · specified · range 13.9 kg–14.1 kg
Bar length measures mass, not physical size.
A little perspective
The mass of 40 pounds is about 1.3 times the launch mass of Explorer 1.
Measurements, assumptions & sources +
40 pounds
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Explorer 1
Explorer 1, the first US satellite, was about 2.03 m long and 14 kg including its instrumented cylindrical body. Antennas are contextual.
The marked launch mass is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
The visual compares mass with launch mass. The records below preserve each value’s basis and caveats.
Explorer 1
13.97 kgLaunch mass · specified · range 13.9 kg–14.1 kg
Explorer 1, the first US satellite, was about 2.03 m long and 14 kg including its instrumented cylindrical body. Antennas are contextual.
- Comparing
- Mass ↔ Launch mass
- Relative size
- 40 pounds is larger on this measurement by a factor of about 1.3. 40 pounds's selected measurement is approximately 29.9% greater than Explorer 1's.
How to read the visual
The labelled spans and stored measurements determine the scale; unmeasured illustration details do not.
- Explorer 1 uses a 13.97 kg central value within a recorded range of 13.9 kg–14.1 kg.
Change your perspective
Put it next to…
Choose a suggestion to redraw the comparison, or open its page to learn what it is.
A little smaller. A little larger.