About this conversion
Convert feet to inches instantly. This page explains what the conversion means, why it’s used, and how to calculate it accurately.
Length is a measure of distance between two points. The SI base unit is the meter (m), and all other length units are defined as fixed multiples or fractions of a meter. On this page you’re converting feet to inches. Inches (in) are common in US hardware, displays, and many consumer measurements (1 in = exactly 2.54 cm). (in) is a fixed multiple of a meter, so conversions are purely scale changes (no approximation in the unit definition).
Conversion formula
Inches = Feet × 12Note: inch/foot/yard/mile/nautical-mile conversions use exact standardized definitions (e.g., 1 inch = exactly 0.0254 m, 1 nautical mile = exactly 1852 m).
How the conversion works
Length is the measure of distance between two points. This converter first converts your input into meters (the SI reference), then converts meters into the target unit. That’s why the conversion stays consistent across tiny units (Å, nm, µm) and large units (km, miles, nautical miles). Use this conversion when reading datasheets, engineering drawings, lab results, travel distances, or navigation values. Quick tip: focus on the target unit (Inches)—it’s the unit you’ll report or compare against.
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Quick conversion table
| Feet | Inches |
|---|---|
| 0 ft | 0 in |
| 1 ft | 12 in |
| 3 ft | 36 in |
| 10 ft | 120 in |
| 100 ft | 1200 in |
| 5280 ft | 63360.00000000001 in |