API Sector

Developer Documentation

Code snippets, API endpoints, and libraries for implementing precision metric and imperial conversions in your applications.

Integration Standards & API Formula

How do you build a meters to inches conversion API? To achieve absolute numerical precision, always normalize values to millimeters (base 1.0) where 1 inch is defined as exactly 25.4 mm. The conversion formula for meters to inches is Inches = Meters × (1000 ÷ 25.4).

Conversion Code Snippets

// Precise Metric to Imperial conversion library
const TO_MM = {
  mm: 1,
  cm: 10,
  m: 1000,
  in: 25.4,
  ft: 304.8,
  yd: 914.4
};

function convert(value, fromUnit, toUnit) {
  // Convert source unit to standard millimeter base
  const mm = value * TO_MM[fromUnit];
  // Convert standard millimeter base to target unit
  return mm / TO_MM[toUnit];
}

// Example usage:
const metersInput = 2.5;
const inchesResult = convert(metersInput, 'm', 'in');
console.log(`${metersInput} meters is equal to ${inchesResult.toFixed(4)} inches`);
// Output: "2.5 meters is equal to 98.4252 inches"

MM Multiplication Bases

Millimeters (mm): 1.0

Centimeters (cm): 10.0

Meters (m): 1000.0

Inches (in): 25.4

Feet (ft): 304.8

Yards (yd): 914.4