Feet to Inches Conversion Calculator
Convert feet to inches in seconds with our free US customary calculator. Perfect for height forms, lumber cut lists, furniture shopping, and home DIY projects.
US Length & Distance ConverterThe quick answer for 1 Feet — type any value below for the exact result
Feet
Inches
ft to in Conversion Formula
Multiply the number of feet by 12 to get inches. The factor is exact by definition — the US customary foot has contained precisely 12 inches since the 1959 yard-and-pound agreement standardized it at 0.3048 meters.
Feet and Inches Explained
Feet (ft)
The foot is a US customary and imperial unit of length equal to 12 inches or exactly 0.3048 meters. It's the everyday unit for room dimensions, ceiling heights, and human height across the United States — an NFL playing field, end zones excluded, is exactly 300 feet. The foot also remains the worldwide standard for aviation altitude: pilots climb and descend in feet whether departing from JFK or O'Hare. Historically, one foot approximated the length of an adult male shoe.
Where it is used: Standard in US construction, real estate listings, and body-height measurement; used globally for aviation altitude reporting.
Origin: Standardized from many regional variants — Roman, Greek, English — into the international foot of exactly 0.3048 m under the 1959 yard-and-pound agreement adopted by the US, UK, and Commonwealth nations.
Inches (in)
The inch is a US customary and imperial unit of length equal to one twelfth of a foot, or exactly 25.4 millimeters. It's the precision workhorse of American measurement: lumber dimensions, pipe diameters, bolt sizes, TV and smartphone screen diagonals, and local weather rainfall totals all quote inches. Small enough for fine work yet splitting cleanly into halves, quarters, and eighths, the inch bridges everyday measuring and shop-floor accuracy without decimals.
Where it is used: Standard in US manufacturing, carpentry, plumbing, and electronics marketing; also common in Canadian and UK trades alongside metric.
Origin: From the Latin "uncia" (one twelfth); legend credits England's King Edward II with defining it as three barleycorns laid end to end, before the 1959 agreement fixed it at exactly 25.4 mm.
Feet to Inches Conversion Table
| Feet (ft) | Inches (in) |
|---|---|
| 0.25 ft | 3 in |
| 0.5 ft | 6 in |
| 1 ft | 12 in |
| 1.5 ft | 18 in |
| 2 ft | 24 in |
| 2.5 ft | 30 in |
| 3 ft | 36 in |
| 4 ft | 48 in |
| 5 ft | 60 in |
| 6 ft | 72 in |
| 7 ft | 84 in |
| 8 ft | 96 in |
| 10 ft | 120 in |
| 12 ft | 144 in |
| 20 ft | 240 in |
| 40 ft | 480 in |
Inches to Feet Conversion Table
| Inches (in) | Feet (ft) |
|---|---|
| 1 in | 0.0833333333 ft |
| 2 in | 0.1666666667 ft |
| 6 in | 0.5 ft |
| 12 in | 1 ft |
| 18 in | 1.5 ft |
| 24 in | 2 ft |
| 30 in | 2.5 ft |
| 36 in | 3 ft |
| 48 in | 4 ft |
| 60 in | 5 ft |
| 72 in | 6 ft |
| 96 in | 8 ft |
Feet to Inches in Everyday Objects
Common real-world examples that make Feet and Inches easy to picture at a glance.
| Feet (ft) | Inches (in) | |
|---|---|---|
| A dining table height | 2.5 ft | 30 in |
| An 8 ft tract-home ceiling | 8 ft | 96 in |
| A 40 ft shipping container | 40 ft | 480 in |
| A backyard privacy fence panel | 6 ft | 72 in |
| An NBA basketball rim (10 ft) | 10 ft | 120 in |
| A full-size pickup like an F-150 | 19 ft | 228 in |
When You Need Feet to Inches Conversions
Cutting Lumber from Feet-Based Plans
Deck plans call for 8 ft joist bays, but the miter saw fence reads inches. Converting 8 ft to 96 in per bay shows that each 12 ft (144 in) board from the lumber yard yields one full bay plus a 48 in offcut for blocking.
Filling Out Medical Height Forms
US clinics and pediatricians record height in total inches for BMI and dosing charts. Converting 5 ft 3 in to 63 in (5 × 12 + 3) prevents the two-unit mix-ups that can skew growth percentile tracking at your child's checkup.
Sizing Window Treatments
Big-box curtain aisles stock 63, 84, and 96 in panels, while your tape measure reads feet. Converting a 7 ft sill height to 84 in gets you the exact panel length with no hemming required.
Booking Freight and Moving Services
Truck rental specs quote box lengths in feet — a 26 ft U-Haul — while your crates are labeled in inches. Converting 26 ft to 312 in confirms three 48 in pallets fit across with room to spare.
Related Length Conversions
How to Use
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1
Enter the Foot Value
Type the measurement in feet — for example, enter 6.5 for a standard 6.5-foot bookcase from a big-box store
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2
See the Inch Result
The answer appears instantly: 6.5 ft = 78 in — exactly what you need when the store's cut list only lists inches
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3
Copy or Swap
Copy the result to your clipboard or hit Swap to run the reverse conversion (inches back to feet)
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4
Use the Conversion Table
Scan the table for everyday values like 5 ft = 60 in or 8 ft = 96 in — the exact length of a standard 4x8 plywood sheet
Why Use Be Converter?
Real-Time US Customary Conversion
Results update as you type — ideal for double-checking a cut list at the home center or a height entry on a doctor's intake form
Exact Math, Zero Rounding
The 12-inches-per-foot definition is built in, so a 40 ft shipping container converts to exactly 480 in every single time
Common US Dimensions Table
Everyday American measurements at a glance — from a 3 ft kitchen countertop to an 8 ft ceiling in a typical tract home
One-Click Swap
Toggle between feet and inches instantly — handy when your lumber list mixes 8 ft boards with 96 in specs
Free & Unlimited
No account, no paywall, no limits. Run as many conversions as your project demands
Runs 100% in Your Browser
Every calculation happens locally on your device. Your measurements never touch a server
Frequently Asked Questions
How many inches are in 1 foot?
How do I convert feet to inches manually?
What is 5 feet in inches?
Why is a foot divided into 12 inches?
How do I write 5 feet 9 inches as decimal feet?
What is 6 feet in inches?
How many inches is an 8-foot ceiling?
How do freight companies use feet to inches conversion?
About Our Feet to Inches Converter
Our free online feet to inches converter handles instant, exact conversions within the US customary system. Whether you're filling out a height field on a doctor's intake form, working through a lumber list at Home Depot or Lowe's, hanging curtains in a Chicago apartment, checking clearance for a new refrigerator, or getting dimensions ready for a freight quote out of Houston, this tool gets it right every time. Because the foot contains exactly 12 inches, each conversion is definitionally exact — the only trick is keeping the two units straight when forms, blueprints, and calculators mix them.
Expert Tips for ft to in Conversion
The factor is exactly 12 — never round. Memorize the ladder: 2 ft = 24 in, 3 ft = 36 in (a yard), 4 ft = 48 in, 5 ft = 60 in, 6 ft = 72 in, 8 ft = 96 in, 10 ft = 120 in.
Height forms: US BMI calculators want total inches. A 5 ft 5 in patient enters 65 in; 5 ft 10 in becomes 70 in. Getting it wrong can swing the BMI result by roughly a full point.
Lumber reality check: a nominal "8 foot" 2x4 stud from your local home center is actually milled to 92-5/8 in pre-cut. Converting plan dimensions to inches exposes these nominal-versus-actual gaps before you make the first cut.
Kitchen showrooms quote countertop depth in inches while floor plans use feet. A 6.5 ft wall run fits a 78 in countertop exactly — 6.5 × 12 with zero waste, which means no ugly splice joint.
Moving day mixes units too: a 10 ft storage unit offers 120 in of wall space, but an 8 ft 8 in (104 in) sofa leaves just 16 in of breathing room — convert everything to one unit before you sign the lease.