Length conversion

Feet to Inches conversion

Convert feet (ft) to inches (in). Exact factor: 1 ft = 12 in. Formula in = ft × 12, worked examples, and a conversion chart. Runs locally in your browser.

Instant result

Result

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Inputs —

Mode —

Formula —

Formulas

Core equations used by this converter.

ft → inin = ft × 12

Exact factor1 ft = 12 in

in → ftft = in × 0.083333333

iLinear conversion using factor 12. Prefer the exact factor over rounded multipliers when precision matters.

How to use

1

Choose ft → in or in → ft

Use the tabs to switch direction. Forward mode needs feet; reverse uses the opposite unit.

2

Enter the value

Type a non-negative value in the active unit field.

3

Convert and read the result

Use Convert or let the result update automatically.

Example conversions

Common values with formula and result.

ϟ

1 ft to inches

1 ft to inches

1 × 12 = 12 in

12 in

ϟ

5 ft to inches

5 ft to inches

5 × 12 = 60 in

60 in

ϟ

5.5 ft to inches

5.5 ft to inches

5.5 × 12 = 66 in

66 in

ϟ

6 ft 2 in as total inches

6 ft 2 in as total inches

(6 × 12) + 2 = 74 in

74 in

Feet to Inches conversion specification

Version 1.1.0 · Engine tested

Calculation status

Engine tested 4 published cases
Named expert review Not performed
Calculation version 1.1.0

Definition: Feet (ft) converts to in using a fixed linear factor. Convert feet (ft) to inches (in). Exact factor: 1 ft = 12 in. Formula in = ft × 12, worked examples, and a conversion chart.
What it calculates: Value between ft and in. Switch direction with the converter tabs.
Inputs: Feet (ft) or reverse unit (in)
Outputs: Converted value in in or ft
Formula: in = ft × 12 · 1 ft = 12 in
Feet to inches conversion table: Feet (ft) Inches (in)
0.5 ft 6 in
1 ft 12 in
2 ft 24 in
3 ft 36 in
4 ft 48 in
5 ft 60 in
5.5 ft 66 in
6 ft 72 in
7 ft 84 in
8 ft 96 in
9 ft 108 in
10 ft 120 in
Assumptions: Conversion runs locally in the browser; values are not uploaded.
Uses the standard factor/definition for these units.
Units: ft → in
in → ft
Boundary conditions: Empty or non-numeric input yields no valid result.
Non-negative values are expected for physical quantities.
Example: 1 ft → 12 in
Validation cases: 1 ft → 12 in
10 ft → 120 in
50 ft → 600 in
100 ft → 1200 in
Sources: SI / international unit definitions where applicable
CalculatorX conversion factors (local runtime)
Calculation version: 1.1.0

Background

Interpretation and common distinctions.

Use the converter tabs to switch direction when available. Results for Feet to Inches conversion update locally in your browser.

Frequently asked questions

Key distinctions behind the conversion.

How do you convert using Feet to Inches conversion?

Use 1 ft = 12.000000000000002 in. Example: 1 ft to inches → 12 in.

Can I switch direction?

Use the converter tabs when available, or open the related reverse tool from Related.

Does this run online or locally?

Calculation runs locally in your browser. Values are not uploaded.

How precise are the results?

Results follow the formulas on this page. Round to the precision your use case needs.