Unit Converter Online - Length, Weight, Area & Currency

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A fast, accurate unit converter: length, weight, area, volume, temperature, data size, network speed, time, speed and live currency rates. Results update as you type.

Length (km, m, cm, inch, feet, mile)

ConversionResult
1 kilometre (km)= 1,000 m = 100,000 cm
1 metre (m)= 10 dm = 100 cm = 1,000 mm
1 inch= 2.54 cm = 25.4 mm
1 foot (ft)= 0.3048 m = 12 inch
1 yard= 0.9144 m = 3 ft
1 mile= 1.609344 km
1 nautical mile= 1.852 km

Weight (kg, gram, tonne, pound, ounce)

ConversionResult
1 tonne (t)= 1,000 kg
1 kilogram (kg)= 1,000 g
1 pound (lb)= 0.45359237 kg ≈ 453.6 g
1 ounce (oz)= 28.35 g
1 carat= 0.2 g = 200 mg

Area & Volume

ConversionResult
1 km²= 100 ha = 1,000,000 m²
1 hectare (ha)= 10,000 m²
1 acre= 4,046.86 m²
1 m³= 1,000 litres
1 US gallon= 3.785 litres
1 UK gallon= 4.546 litres

Temperature (°C, °F, K)

Formulas: °F = °C × 9/5 + 32; K = °C + 273.15.

Celsius (°C)Fahrenheit (°F)Kelvin (K)
032273.15
37 (body)98.6310.15
100 (boiling)212373.15

Data size & network speed

Note the case: b = bit, B = byte. Since 1 byte = 8 bits, download speed in MB/s equals the network speed in Mbps divided by 8.

Network speedDownload speed (bytes)
1 Mbps= 0.125 MB/s
100 Mbps= 12.5 MB/s
1 Gbps= 125 MB/s

Currency exchange (USD, EUR, VND...)

Pick the Currency group above to convert USD to VND and many other currencies using live exchange rates. Rates are indicative and may differ from your bank.

Frequently asked questions

How many meters are in 1 km?

1 km = 1000 m. A kilometre is 1000 times a metre; 1 m = 100 cm.

How many cm is 1 inch?

1 inch = 2.54 cm (exact). A 55-inch TV is about 139.7 cm diagonally.

How many pounds is 1 kg?

1 kg ≈ 2.2046 lb, since 1 lb = 0.45359237 kg.

How many KB is 1 MB?

Binary: 1 MB = 1024 KB. Decimal (SI, disk size): 1 MB = 1000 KB.

How many MB/s is 1 Mbps?

1 Mbps = 0.125 MB/s (1 byte = 8 bits). A 100 Mbps line downloads at up to about 12.5 MB/s.

What is 37 C in Fahrenheit?

37 C = 98.6 F. Formula: F = C x 9/5 + 32.

Conversions follow international (SI) definitions. Currency rates are indicative only.