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Inches to meters converter

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Convert inches to meters instantly: 1 inch is exactly 0.0254 m. TVs, tires and international spec sheets, with the exact math.

1 in is 0.0254 m — decided by committee in 1959 and never argued since.

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Math, not advice — results are indicative. Read the disclaimer.

pro tips

Anchor: 1 in = 2.54 cm = 0.0254 m. One number, three accents.

Quick math: multiply by 0.025, then nudge up 1.6%. A 100-inch projector screen is 2.54 m exactly.

36 inches is 0.9144 m — the yard, in exile but still exact.

what it does

The inches-to-meters trick multiplies by 0.0254 — and this one is exact by treaty. Since 1959 an inch has been defined as 25.4 millimeters, which makes this the rare conversion where "exactly" means exactly.

It shows up wherever inches meet metric paperwork: a 32-inch TV listed in centimeters on the spec sheet (diagonally, of course), bike frames sized in inches on forms that demand meters, and any application where the meter is official and the tape measure disagrees in public.

The rough version: multiply by 0.025 and call it close. Forty inches is "about a meter" — off by 1.6 cm, invisible for furniture, decisive for plumbing. The widget does the treaty version.

Type any inch number and the widget answers in meters instantly, math in the hint. Click the result to copy it, and hit swap when the meter takes over — the meters-to-inches version runs the other way.

quick answers

How many meters is 1 inch?

Exactly 0.0254 m — by international agreement, not rounding. The one inch-metric relationship nobody gets to argue with.

Is the inch-to-centimeter conversion exact?

Yes — 1 inch is exactly 2.54 cm, fixed in 1959 so the US and British inches matched again. Before that, they'd drifted apart like cousins.

How tall is 70 inches in meters?

1.778 m. The height that reads "tall enough" on both sides of the Atlantic.

Why 25.4 millimeters?

A compromise between the US and UK inch definitions that had drifted slightly apart. The treaty inch ended the argument, and hardware stores exhaled.