Unit ConverterOnline, fast and no install
Convert between more than 80 units across 11 categories: length, weight, temperature, volume, data, cooking and more. Accurate, no install and available in the Plus Plan (€5/month).
Plus Tool
Included in the Plus Plan (€5/month)
Everything the Unit Converter includes
11 categories
Length, weight, temperature, volume, area, speed, data, time, cooking, pressure and energy
Instant
Results update in real time as you type
See all
Toggle the view to see the conversion to every unit in the category at once
Fully responsive
Works on mobile, tablet and desktop with no install
Plus Plan
Included in the Plus Plan from €5/month. No usage limits, no install
Scientific precision
Official SI and NIST conversion factors. Scientific notation for extreme values
What is an online unit converter?
An online unit converter transforms measurements from one system to another instantly: centimetres to inches, kilograms to pounds, Celsius to Fahrenheit and much more. The Office Tools Unit Converter includes 11 categories and over 80 units, with the exclusive «See all» feature that shows the conversion to every unit in the category simultaneously. Accurate and distraction-free.
Convert units in 3 steps
No formulas, no complications. Pick, type and convert in an instant.
Pick the category
Choose from 11 categories: length, weight, temperature, volume, area, speed, data, time, cooking, pressure or energy.
Select the units
Pick the source unit and the destination unit. Toggle «See all» to see the conversion to every unit in the category at once.
Get the result
Type the value and the result appears instantly. Accepts both comma (2,50) and dot (2.50). Scientific precision with exponential notation for extreme values.
Available with the Office Tools Plus Plan
11 categories, more than 80 units
From the most common measurements to specialised conversions for cooking, data and energy.
Length
1 m = 3.28 ft = 100 cm
8 unitsWeight / Mass
1 kg = 2.20 lb = 1000 g
5 unitsTemperature
100 °C = 212 °F = 373 K
3 unitsVolume
1 L = 0.26 gal = 1000 mL
5 unitsArea
1 m² = 10.76 ft²
8 unitsSpeed
100 km/h = 62.14 mph
5 unitsData
1 GB = 1024 MB
9 unitsTime
1 h = 60 min = 3600 s
8 unitsCooking
1 cup = 236.59 mL
8 unitsPressure
1 atm = 101325 Pa
6 unitsEnergy
1 kcal = 4184 J
7 unitsWho is the Unit Converter for?
A tool designed for anyone who needs to convert measurements every day.
Engineers and technicians
Convert between metric and imperial systems on technical projects. Pressure (PSI to bar), energy (kWh to BTU), length and area for plans and specifications.
Cooks and chefs
Adapt American recipes to European ones and vice versa. Convert cups, tablespoons and teaspoons to millilitres. Perfect for international baking.
Athletes and coaches
Convert distances (km to miles), weights (kg to lb) and calories (kcal to kJ) for training and nutrition plans.
IT professionals
Convert bytes to gigabytes, megabits to megabytes and more. Ideal for cloud storage, bandwidth and data transfer calculations.
Office Tools vs Google vs UnitConverters
More categories, more features and no ads or distractions.
Most searched conversions
Frequently asked questions about the Unit Converter
Everything you need to know before getting started.
1Which units can I convert?
The converter includes 11 categories and more than 80 units: length (m, km, cm, inch, foot, yard, mile), weight (kg, g, pound, ounce), temperature (°C, °F, K), volume (L, mL, gallon), area (m², ha, acre), speed (km/h, mph, knots), data (B, KB, MB, GB, TB, PB), time (s, min, h, day, week), cooking (teaspoon, tablespoon, cup, pinch), pressure (Pa, bar, atm, PSI) and energy (J, kcal, kWh, BTU).
2How do I convert Celsius to Fahrenheit?
Select the «Temperature» category, choose Celsius (°C) as the source and Fahrenheit (°F) as the destination, and type the value. The formula is °F = (°C × 9/5) + 32. For example: 0 °C = 32 °F, 100 °C = 212 °F, 37 °C = 98.6 °F. The converter calculates the result instantly.
3How many pounds are in one kilogram?
1 kilogram = 2.20462 pounds. Use the «Weight / Mass» category and toggle «See all» to view the conversion to grams, milligrams, pounds and ounces simultaneously.
4Does the converter include cooking units (cups, tablespoons)?
Yes. The «Cooking» category includes teaspoon (tsp = 4.93 mL), tablespoon (tbsp = 14.79 mL), cup (236.59 mL), fluid ounce, gallon, pinch, millilitre and litre. Perfect for adapting American recipes to the metric system.
5Does it work with American imperial units?
Yes. The converter includes every imperial unit: inches, feet, yards, miles, pounds, ounces, gallons, Fahrenheit, acres, square feet, mph, PSI, BTU and every American cooking measurement (cups, tablespoons, teaspoons).
6Can I convert data units (MB, GB, TB)?
Yes. The «Data» category includes Byte, KB, MB, GB, TB, PB, Bit, Kilobit and Megabit using the binary standard (1 KB = 1024 B). Ideal for storage and bandwidth calculations.
7Which plan includes the Unit Converter?
The Unit Converter is included in the Plus Plan (€5/month or €50/year). You get access to 11 categories and 80+ units with no limits.
Start converting units today
Activate the Plus Plan (€5/month) and unlock the Unit Converter with 11 categories and 80+ units. No install, no usage limits.