Unit Converters
149 tools · page 2 of 3
- Bits to Bytes Converter Converts a value between bits and bytes in either direction, using the standard 8 bits = 1 byte relationship.
- GB to GiB Converter Converts between decimal gigabytes (1 GB = 10⁹ bytes) and binary gibibytes (1 GiB = 2³⁰ bytes) in either direction.
- Hogsheads to Liters Converter Converts between hogsheads (54 imperial gallons) and liters in either direction.
- Honey Cups to Grams Converter Converts honey between cups and grams using 1 cup = 340 g, in either direction, for accurate recipe and batch measurements.
- Megaparsec to Light-Year Converter Converts between megaparsecs and light-years in either direction, where 1 Mpc = 3,261,563.7 light-years.
- Rem to Sievert Converter Converts a radiation equivalent dose in rem to sievert, millisievert and microsievert.
- Ri to Kilometer Converter Converts the Japanese unit of distance ri to kilometers and back (1 ri = 3.927 km).
- Hundredweight (long) to Kilograms Converter The long (imperial) hundredweight of 112 pounds, still used in British and Irish agriculture, expressed in kilograms and pounds.
- Food Calorie to Joule Converter Convert food Calories (kcal) to joules and back using 1 kcal = 4184 J.
- Kanal to Square Meter Converter Convert between kanal and square meters using the standard 1 kanal = 505.857 m².
- Gross Register Ton to m³ Converter Converts between gross register tons and cubic metres of ship volume, where 1 GRT = 100 cubic feet = 2.8316846592 m³.
- Light-years to Kilometres Converter Light-year distances written out in kilometres (1 ly ≈ 9.4607 × 10¹² km, in scientific notation) and in astronomical units.
- Cubit to Meter Converter Converts an ancient length in cubits to meters, feet, and centimeters for royal, common, or Roman cubits.
- Nautical Miles to Miles Converter Convert nautical miles to statute (land) miles and kilometres. Used in marine and air navigation.
- Poundal to Newton Converter Convert force between poundals (pdl) and newtons (N) in either direction, where 1 poundal equals 0.138255 newtons.
- Torr to Millibar Converter Converts pressure between torr and millibar in either direction using 1 torr = 1.33322 mbar.
- Gram-Force to Newton Converter Convert force from gram-force to newtons and dynes (1 gf = 0.00981 N).
- Microns (µm) to Millimetres Converter Micrometres, a millionth of a metre, shown as millimetres (1 µm = 0.001 mm) and as metres in scientific notation.
- Redshift to Velocity Calculator Convert an astronomical redshift z to a recession velocity using either the simple v = c·z relation or the relativistic Doppler formula.
- Calorie (15 °C) to Joule Converter Convert between the 15 °C calorie (cal₁₅) and joules using 1 cal₁₅ = 4.1855 J, in either direction.
- Magnitude to Flux Ratio Calculator Converts a difference in astronomical magnitude into the corresponding brightness (flux) ratio.
- Peck to Liter Converter Converts between US pecks and liters in both directions (1 US peck = 8.80976754172 L).
- Therms to kWh Converter Converts natural gas energy between therms and kilowatt-hours (kWh) in either direction, using 1 therm = 29.3001111 kWh.
- Compass Point to Bearing Calculator Convert a 16-point compass direction (like NE or SSW) into its bearing in degrees and find the opposite compass point.
- Foot-Poundal to Joule Converter Converts energy from foot-poundals to joules using the exact factor 1 ft·pdl = 0.0421401 J.
- Delisle to Celsius Converter Converts temperatures between the Delisle scale and Celsius in both directions.
- Gas Mark to Fahrenheit Converter Convert British oven gas marks to Fahrenheit (and back), with the equivalent Celsius temperature.
- Sazhen to Meter Converter Convert the Russian sazhen unit of length to meters and back using 1 sazhen = 2.1336 m.
- Tonne (Displacement) to Cubic Meter Converter Converts between displacement tonnes and cubic meters using seawater density 1.025 t/m³, in either direction.
- Lat/Lon to Grid Words Converter Turns a latitude/longitude into a deterministic three-word code using a fixed grid and embedded wordlist. Demonstration only — not what3words.
- cm to Feet & Inches Converter Centimetres split into whole feet and leftover inches using the exact 1 inch = 2.54 cm, with the total in inches alongside.
- Feet & Inches to cm Converter A height in feet and inches, such as 5 ft 9 in, converted to centimetres and metres using 2.54 cm per inch.
- Smidgen to Teaspoon Converter Converts between smidgens and teaspoons in either direction, where one smidgen equals 1/32 of a teaspoon.
- Foot-Pounds to Joules Converter Convert energy or torque between foot-pounds and joules in either direction using the exact factor 1 ft·lb = 1.3558179483 J.
- Chains to Feet Converter Gunter's surveying chain, exactly 66 feet long, restated in feet and metres for land-survey and property-deed lengths.
- Map Scale to Resolution Calculator Converts a paper map scale and print DPI into ground resolution in meters per pixel.
- Oil Barrels to Liters Converter Convert oil barrels to litres and US gallons (1 bbl = 158.987 L). Handy for energy and commodity figures.
- Mils to Millimeters Converter Converts between mils (thousandths of an inch) and millimeters in either direction, where 1 mil = 0.0254 mm.
- Mbps to MB/s Converter Convert between megabits per second (Mbps) and megabytes per second (MB/s) in either direction using MB/s = Mbps / 8.
- Mil to Micrometer Converter Convert mils (thousandths of an inch) to micrometres and millimetres (1 mil = 25.4 µm). Used for coatings, films and tolerances.
- Quadrant Bearing Converter Converts a whole-circle azimuth (0–360°) into a quadrant bearing such as N30°E or S45°W, plus the quadrant name.
- Katal (kat) to Enzyme units Converter Katal, the SI unit of catalytic activity, in enzyme units (60,000,000 U per kat) and microkatal (1,000,000 µkat per kat).
- Statvolts to Volts Converter Statvolts, the CGS-Gaussian unit of electric potential, in volts and kilovolts using the factor 299.792458 derived from the speed of light.
- Hands to Centimetres Converter Reads horse height in hands notation, where 15.2 means 15 hands 2 inches, and returns the height in inches and centimetres.
- Jigger to Milliliter Converter Convert between jiggers and milliliters, where 1 standard jigger equals 44.3603 mL (1.5 US fl oz). Works in both directions.
- Cicero to Millimeter Converter Converts between ciceros and millimeters in the Didot typographic system, where 1 cicero = 12 Didot points = 4.5113 mm.
- Cubits to Centimetres Converter Reads the cubit as the common 18-inch (45.72 cm) cubit and returns centimetres and inches.
- Didot to Millimeter Converter Convert the European Didot typographic point to millimetres and inches (1 Didot = 0.376 mm).
- DPI to Pixels per cm Converter Convert dots per inch (DPI) to pixels per centimeter and back, using 1 inch = 2.54 cm.
- Magnetic to True Bearing Calculator Converts a magnetic compass bearing to a true bearing by applying the magnetic declination (East positive, West negative) and normalizing to 0–360°.
- Wineglass to Milliliter Converter Convert between the old cooking measure 'wineglass' and milliliters, where one wineglass equals 60 mL.
- Caliber to Millimeter Converter Converts a firearm caliber given in inches to the equivalent bore diameter in millimeters.
- Candela to Lumen Converter Converts luminous intensity in candela to luminous flux in lumens using the beam apex angle, via the solid angle Ω = 2π(1 − cos(θ/2)).
- Carats to Grams Converter Gemstone and diamond weight in metric carats, each exactly 0.2 g, given as grams and milligrams; not the karat used for gold purity.
- Centipoise to Pascal-Second Converter Convert dynamic viscosity from centipoise to pascal-seconds and poise (1 cP = 0.001 Pa·s). Water is about 1 cP.
- Declination to Decimal Degrees Converter Convert a declination given in degrees, arcminutes, and arcseconds (DMS) into signed decimal degrees.
- DMS to Decimal Degrees Converter Degrees, minutes and seconds merged into one signed decimal-degree value, with a minus sign in the degrees box covering south and west.
- Drams to Grams Converter Avoirdupois drams, sixteen to the ounce, turned into grams (about 1.7718 g each) and ounces; the apothecaries' dram is not covered.
- Fathom to Foot Converter Convert between fathoms and feet in either direction; one fathom equals six feet.
- Firkin to Liter Converter Convert a volume in firkins (a traditional cask size) to litres and imperial gallons (1 firkin ≈ 40.9 L). Useful in brewing and cask-ale contexts.