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12 in-depth conversion guides add page-specific context, while supporting quick utilities remain available across all 12 categories.

Publishing standard

Useful tools first, deeper guidance where context matters.

In-depth pages add scenario-specific explanations, common mistakes, precision choices, worked values, and a dated update record. Quick utilities stay focused on providing a direct calculation without making people read background they do not need.

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Featured task calculator

Enter feet and inches or centimeters, then see meters, total inches, and decimal feet together.

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Ingredient-aware tool

Choose the ingredient before converting, because a cup of flour and a cup of honey do not weigh the same.

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Recipe temperature tool

See conventional Fahrenheit and Celsius, a sourced fan-oven starting point, and the closest common Gas Mark.

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Length

Meters to Feet1 m = 3.2808399 ftFeet to Meters1 ft = 0.3048 mMiles to Kilometers1 mi = 1.609344 kmKilometers to Miles1 km = 0.62137119 miInches to Centimeters1 in = 2.54 cmCentimeters to Inches1 cm = 0.39370079 in

Weight

Kilograms to Pounds1 kg = 2.20462262 lbPounds to Kilograms1 lb = 0.45359237 kgGrams to Ounces1 g = 0.03527396 ozOunces to Grams1 oz = 28.34952313 gMetric Tons to Pounds1 t = 2,204.622622 lbPounds to Ounces1 lb = 16 oz

Temperature

Celsius to Fahrenheit1 °C = 33.8 °FFahrenheit to Celsius1 °F = -17.2222 °CCelsius to Kelvin1 °C = 274.15 KKelvin to Celsius1 K = -272.15 °C

Volume

Liters to US Gallons1 L = 0.26417205 galUS Gallons to Liters1 gal = 3.78541178 LUS Cups to Milliliters1 cups = 236.5882365 mLMilliliters to US Cups1 mL = 0.00422675 cupsUS Fluid Ounces to Milliliters1 fl oz = 29.57352956 mLUS Tablespoons to Milliliters1 tbsp = 14.78676478 mL

Area

Square Feet to Square Meters1 ft² = 0.09290304 m²Square Meters to Square Feet1 m² = 10.76391042 ft²Acres to Hectares1 ac = 0.40468564 haHectares to Acres1 ha = 2.47105381 ac

Speed

Miles per Hour to Kilometers per Hour1 mph = 1.609344 km/hKilometers per Hour to Miles per Hour1 km/h = 0.62137119 mphMeters per Second to Kilometers per Hour1 m/s = 3.6 km/hKnots to Kilometers per Hour1 kn = 1.852 km/h

Pressure

Pounds per Square Inch to Bar1 psi = 0.06894757 barBar to Pounds per Square Inch1 bar = 14.50377377 psiAtmospheres to Kilopascals1 atm = 101.325 kPaKilopascals to Pounds per Square Inch1 kPa = 0.14503774 psi

Energy

Joules to Calories1 J = 0.23900574 calCalories to Joules1 cal = 4.184 JKilowatt-hours to Joules1 kWh = 3,600,000 JInternational Table BTUs to Kilojoules1 Btu (IT) = 1.05505585 kJ

Power

Watts to Kilowatts1 W = 0.001 kWKilowatts to Watts1 kW = 1,000 WKilowatts to Horsepower1 kW = 1.34102209 hpHorsepower to Kilowatts1 hp = 0.74569987 kW

Time

Hours to Minutes1 hr = 60 minMinutes to Seconds1 min = 60 secDays to Hours1 day = 24 hrWeeks to Days1 wk = 7 day

Fuel Economy

US Miles per Gallon to Liters per 100 km25 MPG = 9.4086 L/100 kmLiters per 100 km to US Miles per Gallon25 L/100 km = 9.4086 MPG

Digital Storage

Megabytes to Gigabytes1 MB = 0.001 GBGigabytes to Megabytes1 GB = 1,000 MBGigabytes to Terabytes1 GB = 0.001 TBTerabytes to Gigabytes1 TB = 1,000 GB