# Parsecs to Feet (pc to ft)

Source: https://www.unitconvertercalculator.com/length/parsecs-to-feet/

**1 pc = 1.0123614112504E+17 ft**

One parsec equals approximately 1.012 x 1017 feet (about 101 quadrillion). The parsec measures interstellar distances; the foot measures human height and construction. About 17 orders of magnitude separate the observatory from the construction site.

## Formula

Convert Parsecs to Feet

## Conversion Table

| Parsecs (pc) | Feet (ft) |
|---|---|
| 1.0E-17 pc | 1.0123614112504 ft |
| 1.0E-16 pc | 10.123614112504 ft |
| 1.0E-15 pc | 101.23614112504 ft |
| 1.0E-14 pc | 1012.3614112504 ft |
| 1.0E-13 pc | 10123.614112504 ft |
| 1.0E-12 pc | 101236.14112504 ft |
| 1.0E-11 pc | 1012361.4112504 ft |
| 1.0E-10 pc | 10123614.112504 ft |
| 1.0E-9 pc | 101236141.12504 ft |
| 1.0E-8 pc | 1012361411.2504 ft |
| 1.0E-7 pc | 10123614112.504 ft |

## Units

### Parsec (pc)

The distance at which one astronomical unit subtends an angle of one arcsecond. Approximately 3.26 light-years or 30.857 trillion kilometers. The standard unit in professional astronomy.

### Foot (ft)

An imperial unit of length equal to 12 inches or 0.3048 meters. Used in the US and UK for height, altitude, and construction.

## Background

A parsec is about 101 quadrillion feet. A 6-foot person is 5.93 x 10-17 parsecs tall. The nearest star at 1.3 pc is about 131.6 quadrillion feet away. Americans sometimes express stellar distances in miles; expressing them in feet makes the numbers even more staggering.

## Good to Know

The foot was defined by a king. The parsec was defined by trigonometry. One is a human artifact; the other is a mathematical consequence of Earth's orbit. Between them: 17 orders of magnitude and the entire history of measurement evolution from royal decree to stellar geometry.

## FAQ

### How many feet are in 1 parsec?

One parsec contains approximately 1.012 x 1017 feet (about 101 quadrillion).

### How many parsecs is 1 foot?

One foot equals approximately 9.878 x 10-18 parsecs.

### Is this conversion used?

Never. Nobody measures interstellar distances in feet.

## Non-Frequently Asked Questions

### How many people stacked reach 1 parsec?

At 6 feet per person: about 1.69 x 1016 people (16.9 quadrillion). Earth has 8 billion people. You need the population of about 2.1 million Earths. The human species is dramatically too short for interstellar stacking.

### If every foot of every building ever built were stacked, would it reach a star?

Humanity has about 1.5 trillion square feet of building space, but total height is harder to estimate. Maybe 20 billion feet of cumulative building height. 1 parsec is 101 quadrillion feet. All building height is about 2 x 10-7 parsecs. Construction has not reached the stars.

### How many feet per second is the speed of light?

About 983,571,056 feet per second (983 million). At that speed, light crosses 1 parsec in about 3.26 years. The foot-per-second measurement of light-speed sounds impressively large. It is. Nothing is faster.

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## See Also

- [Feet to Parsecs](https://www.unitconvertercalculator.com/length/feet-to-parsecs/)