Instantly convert between 100+ units: length, weight, temperature, area, volume, speed, time, and digital data. Free, no sign-up required.
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BMI Calculator →To convert kilometers to miles, multiply by 0.621371. For example, 10 km = 6.21 miles. The reverse: miles × 1.60934 = kilometers. This converter does it automatically.
The formula is: °F = (°C × 9/5) + 32. For example, 20°C = 68°F. To convert back: °C = (°F - 32) × 5/9. Water freezes at 0°C = 32°F and boils at 100°C = 212°F.
One avoirdupois ounce equals 28.3495 grams. So 1 pound (16 ounces) = 453.592 grams. To convert grams to ounces: grams ÷ 28.3495.
The US gallon (3.785 liters) is smaller than the British Imperial gallon (4.546 liters) — a difference of about 20%. The US uses the US gallon; the UK uses the Imperial gallon.
In the binary system used by computers: 1 GB = 1,024 MB. In the decimal system (used by hard drive manufacturers): 1 GB = 1,000 MB. This converter uses the binary system (powers of 1024).
1 hectare = 10,000 m². So to convert m² to hectares, divide by 10,000. For example, 25,000 m² = 2.5 hectares. One hectare ≈ 2.47 acres.
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