Feet And Inches
Convert feet to inches, total inches, and feet+inches breakdown instantly with this free online length converter for construction, DIY, and height measurement.
About This Calculator
The Feet And Inches Calculator is a free online tool that converts a decimal feet value into its equivalent in total inches, whole feet, and remaining inches. Whether you are measuring height, planning a construction project, shopping for furniture, or working on a DIY home improvement task, this converter simplifies imperial length conversions instantly.
To convert feet to inches, the formula is simple: multiply the number of feet by 12. For decimal feet (e.g., 5.5 ft), multiply by 12 to get total inches (66 in), then divide by 12 to extract the whole feet (5 ft) and the remaining inches (6 in). This calculator handles all the math automatically — just enter your feet value and click Convert.
Regional Notes
United States: Feet and inches are the primary units for height, room dimensions, construction materials, and real estate. Building codes, lumber sizes, and appliance dimensions are all specified in feet and inches. The US uses the US survey foot (1 ft = 0.30480061 m) for land surveying.
United Kingdom: The UK uses a mix of imperial and metric. Road signs display distances in miles and yards, while human height is commonly stated in feet and inches. Construction may use both systems. The UK foot is defined as exactly 0.3048 m.
India: India officially uses the metric system, but feet and inches remain common in real estate, land measurement, and construction. Property listings often mention dimensions in feet, and human height is frequently expressed in feet and inches alongside centimeters.
Frequently Asked Questions
How do I convert feet to inches?
To convert feet to inches, multiply the number of feet by 12. For example, 5 feet × 12 = 60 inches. For decimal feet like 5.5 ft, multiply 5.5 × 12 = 66 inches, which breaks down to 5 feet and 6 inches.
How many inches are in a foot?
There are exactly 12 inches in one foot. This is the standard imperial conversion used in the US, UK, and other countries that use the imperial measurement system.
How do I convert 5 feet 10 inches to inches?
To convert 5 feet 10 inches to total inches: multiply 5 feet by 12 (60 inches) and add 10 inches, giving 70 inches total. Enter 5.833 (which is 5 + 10/12) into the calculator to get 70 inches.
What is the formula to convert decimal feet to feet and inches?
Take the decimal feet value and multiply by 12 to get total inches. Then divide total inches by 12 — the whole number is the feet part and the remainder is the remaining inches. For example, 5.5 ft × 12 = 66 in; 66 ÷ 12 = 5 ft with 6 in remaining.
Is this feet and inches converter free to use?
Yes, this feet and inches converter is completely free to use with no registration or hidden charges. You can convert any number of feet to inches instantly.
Can I convert inches back to feet using this calculator?
This calculator converts feet to inches. To convert inches to feet, divide the number of inches by 12. For example, 36 inches ÷ 12 = 3 feet. Use our dedicated inches to feet converter for that calculation.
What are feet and inches used for in the US and UK?
In the US and UK, feet and inches are the standard units for measuring height (human height is typically given in feet and inches), room dimensions, construction materials, furniture sizes, and sports field measurements. The US primarily uses imperial units while the UK uses a mix of imperial and metric.