Length converter

Inches to meters.

Convert an imperial tape reading into a meter dimension, including mixed fractions such as 39 3/8.

Inches (in)Inch fraction precision

39.375 in = 1.000125 m

Nearest inch fraction≈ 39 3/8 in

Fraction rounding difference+0 mm

Metric length1,000.125 mm

Feet and inches3 ft 3.375 in

The marker shows the fractional part of one inch. This diagram illustrates tick positions; it is not a physical-size ruler.

Reverse conversion ↔Measure on screen ↗

Conversion formula

meters = inches × 0.0254

Enter the source length above. The result updates immediately. These calculations use exact length definitions: 1 m = 100 cm = 1000 mm, 1 in = 25.4 mm, and 1 ft = 12 in. Only the displayed answer and fractional ruler mark are rounded. The feet-and-inches output splits a length into whole feet and remaining inches; decimal feet do not encode an inch count.

Worked example

39 3/8 inches is 39.375 decimal inches. Multiplying by 0.0254 gives exactly 1.000125 m. This is a little longer than a meter, even though it is a convenient tape-measure approximation. The difference matters when matching components rather than estimating a span.

Conversion table: in → m

Select a source value to load it into the calculator. Decimal results are displayed to at most six places; inch fractions in this table are rounded to 1/16 inch.

Inches → Meters
Inches (in)	Meters (m)	Nearest inch fraction
	0.0254	≈ 1 in
	0.1524	≈ 6 in
	0.3048	≈ 12 in
	0.6096	≈ 24 in
	0.9144	≈ 36 in
	1.000125	≈ 39 3/8 in
	1.2192	≈ 48 in
	1.524	≈ 60 in
	1.8288	≈ 72 in
	2.54	≈ 100 in

When to use this conversion

Use this for furnishings, long templates, imported plans, and dimensions that need to be entered into metric design software. A value such as 39 3/8 represents inches, not feet and inches. Convert a mixed foot reading into total inches before entering it here.

Keep enough decimal places to preserve the original ruler division. A sixteenth of an inch is 0.0015875 m. Reporting the result to one decimal meter would remove far more detail than the tape reading contained.

Exact conversion versus a ruler reading

The unit relationship is exact, but a measured object may have uncertainty. At 1/16 inch, the maximum rounding difference is half a tick: 1/32 inch, or 0.79375 mm. The calculator shows the actual rounding difference for your value. Use a finer division only if the source measurement and physical instrument support that precision.

Next steps

Numerical conversion needs no display calibration. Comparing a physical object against your screen does. Use the ruler for small objects, a verified paper ruler away from your display, or an appropriate calibrated instrument for safety-critical measurements.

Measure on screen Printable ruler PDFs Screen calibration guide How to read a ruler

Related converters

Meters to inches.Translate a metric length into decimal inches, then choose a fractional tick only if the job permits rounding.Inches to millimeters.Convert a decimal, fraction, or mixed inch measurement into millimeters. No need to turn 2 3/8 into a decimal first.Inches to centimeters.Translate inch measurements into centimeters, including mixed fractions from a tape measure.Millimeters to meters.Turn a detailed drawing dimension into a room-scale length while keeping every millimeter in the calculation.Centimeters to meters.Express heights and everyday dimensions in meters without losing the original centimeter detail.

Length converters ↗

Reference: NIST unit conversion factors. Calculations use the international foot, not historical survey-foot units. Fractions are explicitly approximate. NIST ↗