📏 Feet & Inches ↔ Total Inches
Imperial Format Converter
📐 Simple Math
1 foot = 12 inches (exact)
Multiply feet by 12, add inches
🔄 Both Ways
Convert format to total
Or total back to format
📏 Practical Use
Height measurements, dimensions, construction calculations
Choose Conversion Mode:
🔄 Feet & Inches ↔ Total Inches
👤 Height & Measurement Calculator
📋 Quick Reference Tables
Common Heights
Feet & Inches | Total Inches |
---|---|
5' 0" | 60 inches |
5' 4" | 64 inches |
5' 6" | 66 inches |
5' 9" | 69 inches |
6' 0" | 72 inches |
6' 3" | 75 inches |
6' 6" | 78 inches |
Common Dimensions
Item | Format | Total Inches |
---|---|---|
Door Height | 6' 8" | 80" |
Ceiling | 8' 0" | 96" |
Counter | 3' 0" | 36" |
Table | 2' 6" | 30" |
Chair Seat | 1' 6" | 18" |
📊 Conversion Tables
Feet to Inches
Feet | Inches |
---|---|
1 ft | 12 in |
2 ft | 24 in |
3 ft | 36 in |
4 ft | 48 in |
5 ft | 60 in |
6 ft | 72 in |
8 ft | 96 in |
10 ft | 120 in |
Fractional Feet
Feet & Inches | Decimal Feet | Total Inches |
---|---|---|
1' 0" | 1.00 ft | 12 in |
1' 3" | 1.25 ft | 15 in |
1' 6" | 1.50 ft | 18 in |
1' 9" | 1.75 ft | 21 in |
2' 0" | 2.00 ft | 24 in |
2' 6" | 2.50 ft | 30 in |
🎯 Practical Applications
👤 Human Measurements
Height: 5'9" = 69"
Arm Span: ~Height
Stride: ~2'6" = 30"
Reach: ~7'0" = 84"
🏗️ Construction
2×4: 1.5" × 3.5"
Sheet Goods: 4' × 8' (48" × 96")
Stud Spacing: 16" or 24"
Door: 6'8" = 80"
🪑 Furniture
Sofa: 2'6" high = 30"
Dining Table: 2'6" = 30"
Bed: 6'8" long = 80"
Desk: 2'5" = 29"
🧮 Conversion Formulas
Feet & Inches to Total Inches
total inches = (feet × 12) + inches
Why?
1 foot = 12 inches (exact)
Multiply feet by 12
Add remaining inches
Example:
5' 10" = (5 × 12) + 10
= 60 + 10 = 70 inches
Total Inches to Feet & Inches
feet = floor(total inches ÷ 12)
inches = total inches mod 12
Steps:
1. Divide total by 12
2. Whole number = feet
3. Remainder = inches
Example:
74 inches ÷ 12 = 6 remainder 2
Result: 6' 2"
How to convert feet+inches to inches
1 foot is equal to 12 inches:
1ft = 12″
The distance d in inches (″) is equal to the distance d in feet (ft) times 12 plus the distance d in inches (″):
d(″) = d(ft) × 12 + d(″)
Example
Convert 2 feet + 3 inches to inches:
d(″) = 2ft × 12 + 3″ = 27″
Feet to inches conversion table
Feet (ft) | Inches (“) |
---|---|
0.01 ft | 0.12 ″ |
0.1 ft | 1.2 ″ |
0.2 ft | 2.4 ″ |
0.3 ft | 3.6 ″ |
0.4 ft | 4.8 ″ |
0.5 ft | 6.0 ″ |
0.6 ft | 7.2 ″ |
0.7 ft | 8.4 ″ |
0.8 ft | 9.6 ″ |
0.9 ft | 10.8 ″ |
1 ft | 12 ″ |
2 ft | 24 ″ |
3 ft | 36 ″ |
4 ft | 48 ″ |
5 ft | 60 ″ |
6 ft | 72 ″ |
7 ft | 84 ″ |
8 ft | 96 ″ |
9 ft | 108 ″ |
10 ft | 120 ″ |
100 ft | 1200 ″ |
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