# Length
5 km to mile
100 cm to inch
1 meter 20 cm
10 ft 4 inch

# Mass
1 kg to lb
100 gram to ounce
1 pound to kg

# Temperature
100 celsius to fahrenheit
32 fahrenheit to celsius

# Time
2 hours to minutes
1 day to hours
1 week to days

# Speed
60 mph to m/s
100 km/h to mph
10 knots to kmh

# Energy
1000 calorie to J
1 kcal to calorie
1 kWh to J

# Power
1 hp to W

# Frequency
1 kHz to Hz
1 MHz to kHz

# Data
1 GiB to MiB
1 GB to MB

# Angle
90 deg to rad
pi rad to deg

# Area and volume
20 sq cm
10 cubic inches
sqm
cbm

# Stacked units
1 meter 20 cm to cm
1 hour 20 minutes

# Maritime
1 nautical mile to mile
1 fathom to m
1 light year to km

# Reverse conversion
meters in 10 km
days in 3 weeks

# Shorthand
km m

# Larger unit wins
1km + 1000m
1km + 1 000m
1km + 1 000 m

# Area from multiplication
10 m * 10 m
