Current: feet = inches / 12
Both directions are supported:
feet = inches / 12inches = feet × 12Inch and foot are imperial length units. For neat display, round to 2–4 decimals where appropriate. For fractional feet, some contexts prefer feet-inches notation (e.g., 5 ft 7 in).
feet = inches / 12';
} else {
ft.removeAttribute('readonly'); ft.type='number';
inch.setAttribute('readonly',''); inch.type='text'; inch.value='';
dirChip.textContent = 'Active: ft → in';
activeFormula.innerHTML = 'inches = feet × 12';
}
res.classList.remove('show');
}function convert(){
var v, out;
if(mode==='in2ft'){
v = parseFloat(inch.value); if(!isFinite(v) || v < 0) v = 0;
out = v / 12; // exact relation
ft.value = fmt(out);
ans.textContent = fmt(v) + ' Inches = ' + fmt(out) + ' Feet';
} else {
v = parseFloat(ft.value); if(!isFinite(v) || v < 0) v = 0;
out = v * 12;
inch.value = fmt(out);
ans.textContent = fmt(v) + ' Feet = ' + fmt(out) + ' Inches';
}
res.classList.add('show');
}btnCalc.addEventListener('click', convert);
btnClear.addEventListener('click', function(){
inch.value = '';
ft.value = '';
res.classList.remove('show');
});
btnSwap.addEventListener('click', function(){ setMode(mode==='in2ft' ? 'ft2in' : 'in2ft'); });// Init
setMode('in2ft');
});
}
if(document.readyState==='loading') document.addEventListener('DOMContentLoaded', init); else init();
})();
Have you ever felt confused between inches and feet while measuring something? This is very common because in India, most people use centimeters and meters, while inches and feet are more popular in countries like the US, Canada, and the UK. However, people working in fields like construction, furniture design, fashion, mobile screen sizing, or architecture often need Inch to Foot Conversion.
Inch (Symbol: in) is a traditional unit of length that is part of the Imperial and US Customary System.
📜 History:
The word “inch” comes from the Latin word “uncia,” meaning “one-twelfth of a Roman foot.” In the past, an inch was defined by the length of three barley grains. Old measurement systems often used human body parts as units. The width of the thumb was used to estimate an inch.
📌 Current Use:
Today, inches are used in electronics (TV and mobile screen sizes), plumbing pipes,
Foot (Symbol: ft) is another traditional unit of length.
📜 History:
The concept of a foot is very old. In Greek, Roman, and Medieval systems, the foot had different sizes. Its name comes from the human body part (foot). In 1959, the foot was standardized and fixed at 0.3048 meters.
📌 Current Use:
The inch-foot-yard system became popular in India during the British colonial era. In the past, farmers measured their land using “bigha,” “katha,” and “gaj.” After independence, India officially adopted the Metric System (cm, m, km) in 1956.
Even today, the inch-foot system is quite common in construction, carpentry, and the market. Tailors and furniture makers also use inches.
$$1\ \text{inch} = 0.0833333\ \text{foot}$$ $$\text{Foot} = \text{Inch} \times 0.0833333$$
$$1\ \text{foot} = 12\ \text{inches}$$ $$\text{Inch} = \text{Foot} \times 12$$
Convert 15 inches to feet.: $$15 \times 0.0833333 = 1.25\ \text{feet}$$ ✅ Answer: 15 inch ≈ 1.25 foot
| Inch (in) | Foot (ft) |
|---|---|
| 0.01 in | 0.00083 ft |
| 0.1 in | 0.00833 ft |
| 1 in | 0.08333 ft |
| 2 in | 0.16666 ft |
| 3 in | 0.25 ft |
| 5 in | 0.4166 ft |
| 10 in | 0.8333 ft |
| 20 in | 1.6666 ft |
| 50 in | 4.1666 ft |
| 100 in | 8.3333 ft |
| 1000 in | 83.3333 ft |
$$60 \div 12 = 5\ \text{foot}$$ ✅ Answer: 60 inch = 5 foot
1 inch = 2.54 cm
1 foot = 12 inches
अब आपने Inch to Foot Conversion का पूरा detail समझ लिया है। चाहे आप carpenter हों, architect हों, gym trainer हों या online shopping करते हों, यह knowledge हर जगह काम आएगी। अगर आप quick calculation चाहते हैं, तो एक Online Unit Converter tool bookmark कर लें।