Slot: has_unit
connects a quantity value to a unit
URI: [biolink:has_unit](https://w3id.org/biolink/vocab/has_unit)
Alias: has_unit
## Applicable Classes
| Name | Description | Modifies Slot |
| --- | --- | --- |
| [QuantityValue](QuantityValue.md) | A value of an attribute that is quantitative and measurable, expressed as a c... | no |
## Properties
### Type and Range
| Property | Value |
| --- | --- |
| Range | [unit](unit.md) |
| Domain | [QuantityValue](QuantityValue.md) |
| Domain Of | [QuantityValue](QuantityValue.md) |
| Slot URI | [biolink:has_unit](https://w3id.org/biolink/vocab/has_unit) |
### Cardinality and Requirements
| Property | Value |
| --- | --- |
### Slot Characteristics
| Property | Value |
| --- | --- |
| Owner | [QuantityValue](QuantityValue.md) |
## In Subsets
* [Samples](Samples.md)
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/brain-bican/bke-taxonomy
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | biolink:has_unit |
| native | bican:has_unit |
| exact | qud:unit, IAO:0000039 |
| narrow | SNOMED:has_concentration_strength_denominator_unit, SNOMED:has_concentration_strength_numerator_unit, SNOMED:has_presentation_strength_denominator_unit, SNOMED:has_presentation_strength_numerator_unit, SNOMED:has_unit_of_presentation |
| close | EFO:0001697, UO-PROPERTY:is_unit_of |
## LinkML Source
name: has unit
definition_uri: https://w3id.org/biolink/vocab/has_unit
description: connects a quantity value to a unit
in_subset:
- samples
from_schema: https://w3id.org/brain-bican/bke-taxonomy
exact_mappings:
- qud:unit
- IAO:0000039
close_mappings:
- EFO:0001697
- UO-PROPERTY:is_unit_of
narrow_mappings:
- SNOMED:has_concentration_strength_denominator_unit
- SNOMED:has_concentration_strength_numerator_unit
- SNOMED:has_presentation_strength_denominator_unit
- SNOMED:has_presentation_strength_numerator_unit
- SNOMED:has_unit_of_presentation
rank: 1000
domain: quantity value
slot_uri: biolink:has_unit
alias: has_unit
owner: quantity value
domain_of:
- quantity value
range: unit
multivalued: false