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Unit Conversions

Length

kmkilo (×1,000)
× 10÷ 10
hmhecto (×100)
× 10÷ 10
damdeca (×10)
× 10÷ 10
mbase unit (1)
× 10÷ 10
dmdeci (÷10)
× 10÷ 10
cmcenti (÷100)
× 10÷ 10
mmmilli (÷1,000)
× 10÷ 10
µmmicro (÷1,000,000)

Mass

tonne
× 1,000÷ 1,000
kgkilo (×1,000)
× 10÷ 10
hghecto (×100)
× 10÷ 10
dagdeca (×10)
× 10÷ 10
gbase unit (1)
× 10÷ 10
dgdeci (÷10)
× 10÷ 10
cgcenti (÷100)
× 10÷ 10
mgmilli (÷1,000)
× 10÷ 10
µgmicro (÷1,000,000)

Volume

kLkilo (×1,000)
× 10÷ 10
hLhecto (×100)
× 10÷ 10
daLdeca (×10)
× 10÷ 10
Lbase unit (1)
× 10÷ 10
dLdeci (÷10)
× 10÷ 10
cLcenti (÷100)
× 10÷ 10
mLmilli (÷1,000)
× 10÷ 10
µLmicro (÷1,000,000)

Imperial conversions

UnitEqualsEstimate
1 inch2.54 cm≈ 2.5 cm
1 foot30.48 cm≈ 30 cm
1 yard0.9144 m≈ 0.9 m
1 mile1.609 km≈ 1.6 km
1 lb0.454 kg≈ 0.45 kg
1 kg2.205 lb≈ 2.2 lb
1 US gallon3.785 L≈ 3.8 L

Temperature Conversion

°F = °C × 1.8 + 32
°C = (°F − 32) ÷ 1.8
20 °C → 20 × 1.8 = 36, + 32 = 68 °F
68 °F → (68 − 32) ÷ 1.8 = 20 °C
10 inches → 10 × 2.54 = 25.4 cm
5 miles → 5 × 1.609 ≈ 8.05 km
50 kg → 50 × 2.2 = 110 lb
100 °F → (100 − 32) ÷ 1.8 ≈ 37.8 °C
6 feet → 6 × 30.48 = 182.88 cm

Convert any unit

Presets

Result

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