Pair · linear · factor 0.0254
inches to meters
inm
Active unit
inches · ≈ 2.54 m (base)
All units
7 results- ininch100
How we calculated this
Target:
Formula
m = in × 0.0254
Calculation
100 × 0.0254 = 2.54
Factor
× 0.0254
inAbout: inch
Historically the width of an adult man's thumb. Today standardized to exactly 2.54 cm by the 1959 international agreement.
mAbout: meter
Originally defined in 1791 as 1/10,000,000 of the distance from the North Pole to the equator. Since 1983 the meter is the distance light travels in a vacuum in 1/299,792,458 of a second.