# Pressure conversion factor from ksi to psi

## Analyzing ksi and psi Units

In this article, we'll explore pressure units and calculate the conversion factor from ksi to psi.

- ksi stands for kilopound-force per square inch, and is equivalent to a thousand psi. It's often informally referred to as kilopounds per square inch, although not entirely accurate.
- psi stands for pound-force per square inch, and is a common US unit for pressure. It's often informally referred to as pounds per square inch, although not entirely accurate.

ksi is simply derived from psi by using the metric prefix k (kilo), which means a thousand (1000). Then, we don't even need to analyze the physical quantity of pressure to find the conversion factor.

## How to Convert Pressure ksi to psi

Starting with the definition of ksi:

```
ksi = 1000 psi
psi = 1/1000 ksi
```

Now, we can divide both sides of the equation by `1/1000 ksi`

:

```
psi / (1/1000 ksi) = 1
```

This manipulation provides us with the left side of the equation as a convenient conversion factor.

```
factor = psi / (1/1000 ksi)
= 1000 psi / ksi
```

Applying this conversion factor to a pressure in ksi, ksi units cancel out, and we're left with the unit we're aiming for: psi.

## Convert 25 ksi to psi

Here's an example of how to convert a pressure of 25 ksi into psi:

```
25 ksi · factor
= 25 ksi · 1000 psi / ksi
= 25 · 1000 psi
= 25000 psi
```

## ksi to psi Conversion Factor

Here're the resulting key takeaways.

```
1 psi = 1/1000 ksi
= 0.001 ksi
```

Converting a ksi unit into psi is as simple as multiplying it by a conversion factor:

```
psi = ksi · factor
```

where factor is exactly:

```
factor = 1000
```

## Explore More

Here are some additional resources to deepen into this topic:

- Convert Pressure Units with this Converter.
- Check out other worked examples of how pressure conversion factors can be derived: ksf to MPa, MPa to psi, psi to psf, psf to psi, or psi to ksi.
- Check out other worked examples of how force conversion factors can be derived: lbf to N, or lbf to kN.