Math.LN2 LN2 — Returns the natural logarithm of 2. Description Math.LN2 Return values number primitive. Examples Example #1 – LN2 example Runconsole.log(Math.LN2); // 0.6931471805599453 console.log(Number(Math.LN2).toFixed(20)); // 0.69314718055994528623 External references Mozilla: Math.LN2 property