Fix force conversion rates

Common/UnitDefinitions/Force.json

@@ -18,6 +18,8 @@
  },
  "FromUnitToBaseFunc": "{x} / 1e5",
  "FromBaseToUnitFunc": "{x} * 1e5",
+ "XmlDocSummary": "One dyne is equal to 10 micronewtons, 10e−5 N or to 10 nsn (nanosthenes) in the old metre–tonne–second system of units.",
+ "XmlDocRemarks": "https://en.wikipedia.org/wiki/Dyne#Definition",
  "Localization": [
  {
  "Culture": "en-US",
@@ -32,8 +34,10 @@
  {
  "SingularName": "KilogramForce",
  "PluralName": "KilogramsForce",
- "FromUnitToBaseFunc": "{x} * 9.80665002864",
- "FromBaseToUnitFunc": "{x} / 9.80665002864",
+ "FromUnitToBaseFunc": "{x} * 9.80665",
+ "FromBaseToUnitFunc": "{x} / 9.80665",
+ "XmlDocSummary": "The kilogram-force, or kilopond, is equal to the magnitude of the force exerted on one kilogram of mass in a 9.80665 m/s2 gravitational field (standard gravity). Therefore, one kilogram-force is by definition equal to 9.80665 N.",
+ "XmlDocRemarks": "https://en.wikipedia.org/wiki/Kilogram-force",
  "Localization": [
  {
  "Culture": "en-US",
@@ -48,8 +52,10 @@
  {
  "SingularName": "TonneForce",
  "PluralName": "TonnesForce",
- "FromUnitToBaseFunc": "{x} * 9.80665002864e3",
- "FromBaseToUnitFunc": "{x} / 9.80665002864e3",
+ "FromUnitToBaseFunc": "{x} * (9.80665 * 1000)",
+ "FromBaseToUnitFunc": "{x} / (9.80665 * 1000)",
+ "XmlDocSummary": "The tonne-force, metric ton-force, megagram-force, and megapond (Mp) are each 1000 kilograms-force.",
+ "XmlDocRemarks": "https://en.wikipedia.org/wiki/Kilogram-force#Related_units",
  "Localization": [
  {
  "Culture": "en-US",
@@ -71,6 +77,8 @@
  },
  "FromUnitToBaseFunc": "{x}",
  "FromBaseToUnitFunc": "{x}",
+ "XmlDocSummary": "The newton (symbol: N) is the unit of force in the International System of Units (SI). It is defined as 1 kg⋅m/s2, the force which gives a mass of 1 kilogram an acceleration of 1 metre per second per second.",
+ "XmlDocRemarks": "https://en.wikipedia.org/wiki/Newton_(unit)",
  "Prefixes": [ "Micro", "Milli", "Deca", "Kilo", "Mega" ],
  "Localization": [
  {
@@ -86,8 +94,10 @@
  {
  "SingularName": "KiloPond",
  "PluralName": "KiloPonds",
- "FromUnitToBaseFunc": "{x} * 9.80665002864",
- "FromBaseToUnitFunc": "{x} / 9.80665002864",
+ "FromUnitToBaseFunc": "{x} * 9.80665",
+ "FromBaseToUnitFunc": "{x} / 9.80665",
+ "XmlDocSummary": "The kilogram-force, or kilopond, is equal to the magnitude of the force exerted on one kilogram of mass in a 9.80665 m/s2 gravitational field (standard gravity). Therefore, one kilogram-force is by definition equal to 9.80665 N.",
+ "XmlDocRemarks": "https://en.wikipedia.org/wiki/Kilogram-force",
  "Localization": [
  {
  "Culture": "en-US",
@@ -107,8 +117,10 @@
  "M": "Pound",
  "T": "Second"
  },
- "FromUnitToBaseFunc": "{x} * 0.13825502798973041652092282466083",
- "FromBaseToUnitFunc": "{x} / 0.13825502798973041652092282466083",
+ "FromUnitToBaseFunc": "{x} * 0.138254954376",
+ "FromBaseToUnitFunc": "{x} / 0.138254954376",
+ "XmlDocSummary": "The poundal is defined as the force necessary to accelerate 1 pound-mass at 1 foot per second per second. 1 pdl = 0.138254954376 N exactly.",
+ "XmlDocRemarks": "https://en.wikipedia.org/wiki/Poundal",
  "Localization": [
  {
  "Culture": "en-US",
@@ -123,8 +135,10 @@
  {
  "SingularName": "PoundForce",
  "PluralName": "PoundsForce",
- "FromUnitToBaseFunc": "{x} * 4.4482216152605095551842641431421",
- "FromBaseToUnitFunc": "{x} / 4.4482216152605095551842641431421",
+ "FromUnitToBaseFunc": "{x} * 4.4482216152605",
+ "FromBaseToUnitFunc": "{x} / 4.4482216152605",
+ "XmlDocSummary": "The standard values of acceleration of the standard gravitational field (gn) and the international avoirdupois pound (lb) result in a pound-force equal to 4.4482216152605 N.",
+ "XmlDocRemarks": "https://en.wikipedia.org/wiki/Pound_(force)#Definitions",
  "Prefixes": [ "Kilo" ],
  "Localization": [
  {
@@ -142,8 +156,10 @@
  {
  "SingularName": "OunceForce",
  "PluralName": "OunceForce",
- "FromUnitToBaseFunc": "{x} * 2.780138509537812e-1",
- "FromBaseToUnitFunc": "{x} / 2.780138509537812e-1",
+ "FromUnitToBaseFunc": "{x} * (4.4482216152605 / 16)",
+ "FromBaseToUnitFunc": "{x} / (4.4482216152605 / 16)",
+ "XmlDocSummary": "An ounce-force is 1⁄16 of a pound-force, or about 0.2780139 newtons.",
+ "XmlDocRemarks": "https://en.wikipedia.org/wiki/Ounce#Ounce-force",
  "Localization": [
  {
  "Culture": "en-US",
@@ -154,8 +170,8 @@
  {
  "SingularName": "ShortTonForce",
  "PluralName": "ShortTonsForce",
- "FromUnitToBaseFunc": "{x} * 8.896443230521e3",
- "FromBaseToUnitFunc": "{x} / 8.896443230521e3",
+ "FromUnitToBaseFunc": "{x} * (4.4482216152605 * 2000)",
+ "FromBaseToUnitFunc": "{x} / (4.4482216152605 * 2000)",
  "XmlDocSummary": "The short ton-force is a unit of force equal to 2,000 pounds-force (907.18474 kgf), that is most commonly used in the United States – known there simply as the ton or US ton.",
  "XmlDocRemarks": "https://en.wikipedia.org/wiki/Ton-force#Short_ton-force",
  "Localization": [

UnitsNet.Tests/CustomCode/ForceTests.cs

@@ -11,19 +11,19 @@ public class ForceTests : ForceTestsBase
  protected override double DecanewtonsInOneNewton => 1E-1;
  protected override double DyneInOneNewton => 1E5;
 
- protected override double KilogramsForceInOneNewton => 0.101972;
+ protected override double KilogramsForceInOneNewton => 0.1019716;
 
- protected override double KilopoundsForceInOneNewton => 0.22481e-3;
+ protected override double KilopoundsForceInOneNewton => 0.2248089e-3;
  protected override double MeganewtonsInOneNewton => 1E-6;
  protected override double KilonewtonsInOneNewton => 1E-3;
 
- protected override double KiloPondsInOneNewton => 0.101972;
+ protected override double KiloPondsInOneNewton => 0.1019716;
 
  protected override double NewtonsInOneNewton => 1;
 
- protected override double PoundalsInOneNewton => 7.23301;
+ protected override double PoundalsInOneNewton => 7.2330138;
 
- protected override double PoundsForceInOneNewton => 0.22481;
+ protected override double PoundsForceInOneNewton => 0.2248089;
 
  protected override double TonnesForceInOneNewton => 1.019716212977928e-4;
 
@@ -33,7 +33,7 @@ public class ForceTests : ForceTestsBase
 
  protected override double OunceForceInOneNewton => 3.596943089595368;
 
- protected override double ShortTonsForceInOneNewton => 1.12404471549816e-4;
+ protected override double ShortTonsForceInOneNewton => 1.12404471549855e-4;
 
  [Fact]
  public void ForceDividedByAreaEqualsPressure()
@@ -104,5 +104,13 @@ public void ForceDividedByForceChangeRateEqualsDuration()
  Duration duration = Force.FromNewtons(200) / ForceChangeRate.FromNewtonsPerSecond(50);
  Assert.Equal(duration, Duration.FromSeconds(4));
  }
+
+ [Fact]
+ public void KilogramForceDividedByNewtonEqualsStandardGravity()
+ {
+ const double standardGravity = 9.80665;
+ double duration = Force.FromKilogramsForce(1) / Force.FromNewtons(1);
+ Assert.Equal(standardGravity, duration);
+ }
  }
 }