# Units
Physical quantity types for type-safe unit handling.
## Available Units
### Angle
| `rad` | 1 radian |
| `deg` | π/180 radians |
### AngularRate
| `rad_per_s` | 1 rad/s |
| `deg_per_s` | π/180 rad/s |
### Distance
| `m` | 1 meter |
| `km` | 1000 meters |
| `au` | 1 astronomical unit |
### Frequency
| `Hz` | 1 Hz |
| `kHz` | 1 kHz |
| `MHz` | 1 MHz |
| `GHz` | 1 GHz |
| `THz` | 1 THz |
### Power
| `W` | 1 W |
| `kW` | 1 kW |
### Temperature
| `K` | 1 K |
### Velocity
| `m_per_s` | 1 m/s |
| `km_per_s` | 1 km/s |
### Decibel
| `dB` | 1 dB |
## Quick Example
```python
import lox_space as lox
# Use unit constants for readable code
angle = 45 * lox.deg
distance = 100 * lox.km
frequency = 2.4 * lox.GHz
velocity = 7.8 * lox.km_per_s
power = 10 * lox.W
temperature = 290 * lox.K
# Convert to specific units
angle_deg = angle.to_degrees() # 45.0
distance_km = distance.to_kilometers() # 100.0
freq_ghz = frequency.to_gigahertz() # 2.4
# Convert to float (returns internal SI value)
angle_rad = float(angle) # radians
distance_m = float(distance) # meters
# Arithmetic
total = 100 * lox.km + 500 * lox.m # Distance
delta = 45 * lox.deg - 10 * lox.deg # Angle
scaled = 2.0 * distance # Distance
```
---
::: lox_space.Angle
options:
show_source: false
---
::: lox_space.AngularRate
options:
show_source: false
---
::: lox_space.Distance
options:
show_source: false
---
::: lox_space.Frequency
options:
show_source: false
---
::: lox_space.GravitationalParameter
options:
show_source: false
---
::: lox_space.Power
options:
show_source: false
---
::: lox_space.Temperature
options:
show_source: false
---
::: lox_space.Velocity
options:
show_source: false