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3 Feet to Inches

3 feet equals 36 inches. Use the formula, worked example, and conversion table below to check the math.

3 ft = 36 in
ft × 12 = in
Try: 2 ft to in 4 ft to in 8 ft to in
3 ft is also
3 ft = 0.000914 km 3 ft = 0.000568 mi 3 ft = 0.9144 m 3 ft = 91.44 cm 3 ft = 914.4 mm 3 ft = 1 yd
ft
36 in

Step-by-Step Calculation

ft × 12 = in
  1. Start with 3 ft
  2. Multiply by 12: 3 × 12 = 36
  3. Result: 3 ft = 36 in

This conversion factor (12) is the same for every foot to inch calculation.

Foot to Inch Conversion Table

Feet (ft) Inches (in)
1 ft 12 in
2 ft 24 in
3 ft 36 in
5 ft 60 in
10 ft 120 in
15 ft 180 in
20 ft 240 in
25 ft 300 in
50 ft 600 in
75 ft 900 in
100 ft 1,200 in
250 ft 3,000 in
500 ft 6,000 in
1,000 ft 12,000 in
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Frequently Asked Questions

3 feet equals 36 inches.
The formula is: ft × 12 = in. See the ft to in formula page for worked examples.
Use the inches to feet converter. The reverse formula is: in ÷ 12 = ft.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (ft × 12 = in) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026