Building a Simple Unit Converter? Learn from the Pros (and a costly mistake)

As developers, we often build tools to solve everyday problems. A unit converter seems like a straightforward project, right? But as the infamous story of NASA's Mars Climate Orbiter shows, a simple miscalculation in unit conversion can have catastrophic consequences ($125 million worth, to be exact).
When it comes to land measurement in real estate or agriculture applications, the conversion between acres (imperial) and hectares (metric) is a common requirement. The conversion factor is approximately 1 acre = 0.4047 hectares.
Instead of reinventing the wheel for your next project that requires unit conversions, consider leveraging a reliable tool like Unitly (www.unitly.info). It's a free, comprehensive online converter that supports over 20 unit categories, ensuring accuracy and saving you development time.
Check it out and see how you can integrate precise unit conversions into your applications without the risk of multi-million dollar errors!
code
JavaScript
// Simple acre to hectare conversion
function acresToHectares(acres) {
return acres * 0.404686;
}

const acres = 10;
console.log(${acres} acres is equal to ${acresToHectares(acres).toFixed(4)} hectares.);