1,000 pounds
453.6 kgMass · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Mass
Just how heavy is 1,000 pounds?
Heavyweights
1,000 lb
1,000 pounds
The quantity is exact as entered.
453.6 kgMass in kilograms
0 kg
New Horizons spacecraft
New Horizons is a NASA spacecraft launched to study Pluto and the Kuiper Belt, carrying scientific instruments and powered by a radioisotope generator.
478 kgLaunch mass in kilograms
0 kg
Bar length measures mass, not physical size. Both bars start at zero kilograms (kg). Pictures identify the objects only.
A little perspective
The launch mass of the New Horizons spacecraft is about 1.05 times 1,000 pounds.
Measurements, assumptions & sources +
1,000 pounds
Mass: 453.6 kg; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
New Horizons spacecraft
Launch mass: 478 kg; approximate.
NASA’s New Horizons spacecraft body is approximately 2.2 m high and had a launch mass of 478 kg. The radioisotope-generator and antenna projections extend beyond the calibrated body-height span.
Johns Hopkins APL — New Horizons spacecraft
The marked launch mass is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 1,000 pounds with the launch mass of the New Horizons spacecraft. The notes below explain how each value was chosen.
New Horizons spacecraft
478 kgLaunch mass · approximate
NASA’s New Horizons spacecraft body is approximately 2.2 m high and had a launch mass of 478 kg. The radioisotope-generator and antenna projections extend beyond the calibrated body-height span.
- Comparing
- Mass ↔ Launch mass
- Relative size
- The launch mass of the New Horizons spacecraft is about 1.05 times 1,000 pounds. The launch mass of the New Horizons spacecraft is approximately 5.38% greater than 1,000 pounds.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- The launch mass of the New Horizons spacecraft: This is an estimate; check the notes for its rounding and uncertainty.
Mass is distinct from weight: an object’s mass stays the same as gravity changes.
453.59 kgkilograms
0.45359 ttonnes
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.