วิธีการคำนวณ Feet & Inches

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Height and length are commonly measured in feet and inches in the UK, US, and other countries using the imperial system. Converting between imperial (feet/inches) and metric (centimetres/metres) is essential for medical, architectural, and everyday use.

สูตร

To convert cm to feet: divide by 30.48 → integer part is feet, decimal × 12 = inches

To: inches — inches

คำแนะนำทีละขั้นตอน

11 foot = 12 inches = 30.48 centimetres
21 inch = 2.54 centimetres
3To convert feet and inches to cm: (feet × 30.48) + (inches × 2.54)
4To convert cm to feet: divide by 30.48 → integer part is feet, decimal × 12 = inches

ตัวอย่างที่มีคำตอบ

อินพุต

5 feet 10 inches

ผลลัพธ์

177.8 cm

(5 × 30.48) + (10 × 2.54) = 152.4 + 25.4 = 177.8

อินพุต

180 cm

ผลลัพธ์

5 feet 10.87 inches

180 / 30.48 = 5.906 feet → 5ft + 0.906×12 = 10.87"

คำถามที่พบบ่อย

What is Feet Inches?

How accurate is the Feet Inches calculator?

The calculator uses the standard published formula for feet inches. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Feet Inches calculator use?

This calculator works with centimetres, inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Feet Inches calculator use?

The core formula is: 1 foot = 12 inches = 30.48 centimetres. Each step in the calculation is shown so you can verify the result manually.

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