Length Unit Samples

# Length Unit Samples / Length Unit Reference
# Copy any line below when you want to compare that unit with meters (m).
# You can also paste one line at a time into your converter.

# --- Everyday Metric Units ---
1 mm = 0.001 m
5 mm = 0.005 m
10 mm = 0.01 m
1 cm = 0.01 m
30 cm = 0.3 m
50 cm = 0.5 m
100 cm = 1 m
1 dm = 0.1 m
10 dm = 1 m
1 m = 1 m
2.5 m = 2.5 m
10 m = 10 m
1 dam = 10 m
1 hm = 100 m
100 m = 100 m
1 km = 1000 m
5 km = 5000 m
42.195 km = 42195 m

# Imperial and US Customary Units
# Use these lines when you want to compare familiar English units with meters (m).
# These values use the standard international definitions.

# --- Small to Large Imperial Units ---
1 thou (mil) = 0.0000254 m
1 in = 0.0254 m
12 in = 0.3048 m
1 ft = 0.3048 m
3 ft = 0.9144 m
1 yd = 0.9144 m
10 yd = 9.144 m
1 rod = 5.0292 m
1 chain = 20.1168 m
1 furlong = 201.168 m
1 mi = 1609.344 m
3 mi = 4828.032 m

# Nautical and Survey Length Units
# If you work with navigation, mapping, or land distance, these lines help you compare them with meters (m).
# A few names in this group can vary by region or historical usage, so the definition is stated where needed.

# --- Marine and Survey Units ---
1 nmi = 1852 m
2 nmi = 3704 m
10 nmi = 18520 m
1 fathom = 1.8288 m
100 fathoms = 182.88 m
1 cable (0.1 nmi) = 185.2 m
1 Gunter's link = 0.201168 m
1 Gunter's chain = 20.1168 m
80 Gunter's chains = 1609.344 m
1 US survey foot (legacy) = 0.3048006096 m

# Scientific Scale Length Units
# Use these lines when you want to compare very small or very large length units with meters (m).
# Capital letters matter here: mm is millimeter, while Mm is megameter.

# --- Tiny Units ---
1 pm = 0.000000000001 m
1 angstrom = 0.0000000001 m
1 nm = 0.000000001 m
1 um (micrometer) = 0.000001 m
1 mm = 0.001 m

# --- Large and Astronomical Units ---
1 Mm = 1000000 m
1 AU = 149597870700 m
1 ly = 9.4607304725808e15 m
1 pc = 3.085677581491367e16 m