LINQpad example for dynamically converting source quantity strings to other units

unitsnet-equations.linq

void Main()
{
	ElectricCurrent sourceQuantity = ElectricCurrent.Parse("8A");
	ElectricCurrentUnit milliAmpsUnit = ElectricCurrent.ParseUnit("mA");
	
	// 8000
	double milliAmps = sourceQuantity.As(milliAmpsUnit);
	
	// 8,000 mA (current culture, happens to be US English on my Windows)
	Console.WriteLine(sourceQuantity.ToString(milliAmpsUnit));
	
	// 8,000 mA (invariant culture, my recommendation)
	Console.WriteLine(sourceQuantity.ToString(milliAmpsUnit, CultureInfo.InvariantCulture));
	
	// 8 000 mA (custom culture, Norwegian)
	Console.WriteLine(sourceQuantity.ToString(milliAmpsUnit, CultureInfo.GetCultureInfo("nb-NO")));

	Console.WriteLine(GetTargetString("8A", "mA")); // 8,000 mA
	Console.WriteLine(GetTargetString("8V", "kV")); // 0.008 kV
}

private string GetTargetString(string sourceQuantityString, string targetUnitAbbrevation)
{
	ElectricCurrent sourceElectricCurrent;
	if (ElectricCurrent.TryParse(sourceQuantityString, out sourceElectricCurrent))
	{
		try
		{
			ElectricCurrentUnit targetUnit = ElectricCurrent.ParseUnit(targetUnitAbbrevation);
			return sourceElectricCurrent.ToString(targetUnit, CultureInfo.InvariantCulture);
        }
		catch (UnitsNetException)
		{
			// Failed to parse abbreviation, skip
		}
	}
	
	// Note this is not else-if, so the caught exception above can retry here
	ElectricPotential sourceElectricPotential;
	if (ElectricPotential.TryParse(sourceQuantityString, out sourceElectricPotential))
	{
		try
		{
			ElectricPotentialUnit targetUnit = ElectricPotential.ParseUnit(targetUnitAbbrevation);
			return sourceElectricPotential.ToString(targetUnit, CultureInfo.InvariantCulture);
        }
		catch (UnitsNetException)
		{
			// Failed to parse abbreviation, skip
		}
	}

	// ... repeat for other units
	throw new Exception($"Failed to parse [{sourceQuantityString}] to target unit [{targetUnitAbbrevation}]");
}