Package org.djunits.quantity

Class Torque

java.lang.Object

java.lang.Number

org.djunits.quantity.def.Quantity<Torque>

org.djunits.quantity.Torque

All Implemented Interfaces:

Serializable, Comparable<Torque>, Additive<Torque>, Scalable<Torque>, Value<Torque>

public class Torque
extends Quantity<Torque>

Torque is a measure of rotational force about an axis, measured in newton meters (Nm).

Copyright (c) 2025-2026 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See for project information https://djunits.org. The DJUNITS project is distributed under a three-clause BSD-style license.

Author:

Alexander Verbraeck

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Torque.Unit	Torque.Unit encodes the units of rotational force about an axis, measured in newton meters (Nm).

Field Summary

Fields

Modifier and Type	Field	Description
static final Torque	NaN	Constant with value NaN.
static final Torque	NEG_MAXVALUE	Constant with value -MAX_VALUE.
static final Torque	NEGATIVE_INFINITY	Constant with value NEGATIVE_INFINITY.
static final Torque	ONE	Constant with value one.
static final Torque	POS_MAXVALUE	Constant with value MAX_VALUE.
static final Torque	POSITIVE_INFINITY	Constant with value POSITIVE_INFINITY.
static final Torque	ZERO	Constant with value zero.

Fields inherited from class org.djunits.quantity.def.Quantity

si

Constructor Summary

Constructors

Constructor	Description
Torque(double valueInUnit, Torque.Unit unit)	Instantiate a Torque quantity expressed in the given unit.
Torque(double value, Torque.Unit displayUnit, boolean useSi)	Instantiate a Torque quantity with an SI or base value and a display unit.

Method Summary

Modifier and Type	Method	Description
Power	divide(Duration v)	Calculate the division of Torque and Duration, which results in a Power scalar.
Length	divide(Force v)	Calculate the division of Torque and Force, which results in a Length scalar.
Force	divide(Length v)	Calculate the division of Torque and Length, which results in a Force scalar.
Duration	divide(Power v)	Calculate the division of Torque and Power, which results in a Duration scalar.
Volume	divide(Pressure v)	Calculate the division of Torque and Pressure, which results in a Volume scalar.
Dimensionless	divide(Torque v)	Calculate the division of Torque and Torque, which results in a Dimensionless quantity.
Pressure	divide(Volume v)	Calculate the division of Torque and Volume, which results in a Pressure scalar.
Torque.Unit	getDisplayUnit()	Retrieve the unit of this Value.
Torque	instantiateSi(double siValue, UnitInterface<Torque> displayUnit)	Instantiate a quantity with an SI or base value, and a display unit.
Power	multiply(Frequency v)	Calculate the multiplication of Torque and Frequency, which results in a Power scalar.
Force	multiply(LinearObjectDensity v)	Calculate the multiplication of Torque and LinearObjectDensity, which results in a Force scalar.
static Torque	of(double valueInUnit, String unitString)	Returns a Torque based on a value and the textual representation of the unit, which can be localized.
static Torque	of(double valueInUnit, Torque.Unit unit)	Returns a Torque based on a value expressed in the unit.
static Torque	ofSi(double si)	Return a Torque instance based on an SI value.
static Torque	ofSi(double siValue, Torque.Unit displayUnit)	Instantiate a Torque quantity with an SI or base value and a display unit.
static Torque	valueOf(String text)	Returns a Torque representation of a textual representation of a value with a unit.

Methods inherited from class org.djunits.quantity.def.Quantity

abs, add, as, compareTo, divide, doubleValue, eq, eq0, equals, floatValue, format, format, format, ge, ge0, getInUnit, getInUnit, getName, gt, gt0, hashCode, instantiate, instantiateSi, interpolate, intValue, isRelative, le, le0, longValue, lt, lt0, max, mean, min, multiply, ne, ne0, negate, of, product, reciprocal, scaleBy, si, siUnit, subtract, sum, toString, valueOf

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.djunits.value.Scalable

divideBy

Methods inherited from interface org.djunits.value.Value

isAbsolute

Field Details

ZERO

public static final Torque ZERO

Constant with value zero.

ONE

public static final Torque ONE

Constant with value one.

NaN

public static final Torque NaN

Constant with value NaN.

POSITIVE_INFINITY

public static final Torque POSITIVE_INFINITY

Constant with value POSITIVE_INFINITY.

NEGATIVE_INFINITY

public static final Torque NEGATIVE_INFINITY

Constant with value NEGATIVE_INFINITY.

POS_MAXVALUE

public static final Torque POS_MAXVALUE

Constant with value MAX_VALUE.

NEG_MAXVALUE

public static final Torque NEG_MAXVALUE

Constant with value -MAX_VALUE.

Constructor Details

Torque

public Torque(double value,
 Torque.Unit displayUnit,
 boolean useSi)

Instantiate a Torque quantity with an SI or base value and a display unit.

Parameters:

value - the quantity value expressed in the SI or base unit

displayUnit - the display unit to use

useSi - use SI value when true, use value in unit when false

Torque

public Torque(double valueInUnit,
 Torque.Unit unit)

Instantiate a Torque quantity expressed in the given unit.

Parameters:

valueInUnit - the quantity value expressed in the given unit

unit - the unit of the value, also acts as the display unit

Method Details

ofSi

public static Torque ofSi(double si)

Return a Torque instance based on an SI value.

Parameters:

si - the si value

Returns:

the Torque instance based on an SI value

ofSi

public static Torque ofSi(double siValue,
 Torque.Unit displayUnit)

Instantiate a Torque quantity with an SI or base value and a display unit.

Parameters:

siValue - the quantity value expressed in the SI or base unit

displayUnit - the display unit to use

Returns:

the Torque instance based on an SI value with the given display unit

instantiateSi

public Torque instantiateSi(double siValue,
 UnitInterface<Torque> displayUnit)

Description copied from class: Quantity

Instantiate a quantity with an SI or base value, and a display unit.

Specified by:

instantiateSi in class Quantity<Torque>

Parameters:

siValue - the value expressed in the base (SI) unit

displayUnit - the display unit to use for the quantity

Returns:

a quantity with the given SI or base value, and the given display unit

valueOf

public static Torque valueOf(String text)

Returns a Torque representation of a textual representation of a value with a unit. The String representation that can be parsed is the double value in the unit, followed by a localized or English abbreviation of the unit. Spaces are allowed, but not required, between the value and the unit.

Parameters:

text - the textual representation to parse into a Torque

Returns:

the Scalar representation of the value in its unit

Throws:

IllegalArgumentException - when the text cannot be parsed

NullPointerException - when the text argument is null

of

public static Torque of(double valueInUnit,
 Torque.Unit unit)

Returns a Torque based on a value expressed in the unit.

Parameters:

valueInUnit - the value, expressed in the given unit

unit - the unit of the value, also acts as the display unit

Returns:

ab Torque representation of the value in its unit

of

public static Torque of(double valueInUnit,
 String unitString)

Returns a Torque based on a value and the textual representation of the unit, which can be localized.

Parameters:

valueInUnit - the value, expressed in the unit as given by unitString

unitString - the textual representation of the unit

Returns:

the Scalar representation of the value in its unit

Throws:

IllegalArgumentException - when the unit cannot be parsed or is incorrect

NullPointerException - when the unitString argument is null

getDisplayUnit

public Torque.Unit getDisplayUnit()

Description copied from interface: Value

Retrieve the unit of this Value.

Specified by:

getDisplayUnit in interface Value<Torque>

Overrides:

getDisplayUnit in class Quantity<Torque>

Returns:

the unit of this Value

divide

public Dimensionless divide(Torque v)

Calculate the division of Torque and Torque, which results in a Dimensionless quantity.

Parameters:

v - quantity

Returns:

quantity as a division of Torque and Torque

divide

public Length divide(Force v)

Calculate the division of Torque and Force, which results in a Length scalar.

Parameters:

v - scalar

Returns:

scalar as a division of Torque and Force

divide

public Force divide(Length v)

Calculate the division of Torque and Length, which results in a Force scalar.

Parameters:

v - scalar

Returns:

scalar as a division of Torque and Length

multiply

public Force multiply(LinearObjectDensity v)

Calculate the multiplication of Torque and LinearObjectDensity, which results in a Force scalar.

Parameters:

v - scalar

Returns:

scalar as a multiplication of Torque and LinearObjectDensity

divide

public Power divide(Duration v)

Calculate the division of Torque and Duration, which results in a Power scalar.

Parameters:

v - scalar

Returns:

scalar as a division of Torque and Duration

divide

public Duration divide(Power v)

Calculate the division of Torque and Power, which results in a Duration scalar.

Parameters:

v - scalar

Returns:

scalar as a division of Torque and Power

multiply

public Power multiply(Frequency v)

Calculate the multiplication of Torque and Frequency, which results in a Power scalar.

Parameters:

v - scalar

Returns:

scalar as a multiplication of Torque and Frequency

divide

public Pressure divide(Volume v)

Calculate the division of Torque and Volume, which results in a Pressure scalar.

Parameters:

v - scalar

Returns:

scalar as a division of Torque and Volume

divide

public Volume divide(Pressure v)

Calculate the division of Torque and Pressure, which results in a Volume scalar.

Parameters:

v - scalar

Returns:

scalar as a division of Torque and Pressure