# General difficulty level

### Definition of General difficulty level

The **General difficulty level** indicates (by means of one number) in a relative way how much (physical) effort it will take you to follow this route.

The **General difficulty level**is expressed as a number between 1/100 and 100/100.

1/100 means that this route is in the top 1% of most easy routes (99% of this type of routes is more difficult). 100/100 means that this route is in the top 1% of most difficult routes (99% of this type of routes is more easy).

It's a rough indication of the energy you need to finish the complete route.

### Calcualtion of the General difficulty level

The **General difficulty level** is based on 3 variables

Related topics:

## Search for routes with a specific difficulty

Read here how you can do this.

## References and literature

- https://www.tribology-abc.com/calculators/cycling.htm
- Formula shows nicely what the main impact is on your total energy
- Time/length of cycling
- Speed (impact on air resistance)
- Height/slopes
- Rolling resistance (e.g; cycling on paved orad vs. grass)

- Formula shows nicely what the main impact is on your total energy
- CyclingPowerComponents: