Calculator Suite

Unit Converters

Convert between different units of measurement with precision and ease. Our comprehensive collection covers 10 categories with over 50 units.

10
Categories
50+
Units
99.9%
Accuracy
Length & Distance
Easy
Convert between meters, feet, inches, miles, kilometers and more

Available Units

mm, cm, m, km, in, ft, yd, mi, nmi, ly

Popular Conversions

ft to mmi to kmin to cm
Weight & Mass
Easy
Convert between kilograms, pounds, ounces, grams and other mass units

Available Units

mg, g, kg, t, oz, lb, st, ton

Popular Conversions

lb to kgoz to gkg to lb
Temperature
Medium
Convert between Celsius, Fahrenheit, Kelvin and Rankine scales

Available Units

°C, °F, K, °R

Popular Conversions

°F to °C°C to °FK to °C
Volume & Capacity
Easy
Convert between liters, gallons, cups, milliliters and other volume units

Available Units

ml, L, gal, qt, pt, cup, fl oz, tbsp, tsp

Popular Conversions

gal to Lcup to mlfl oz to ml
Area
Medium
Convert between square meters, feet, acres, hectares and other area units

Available Units

mm², cm², m², km², in², ft², yd², acre, ha

Popular Conversions

ft² to m²acre to hain² to cm²
Speed & Velocity
Easy
Convert between mph, km/h, m/s, knots and other speed units

Available Units

m/s, km/h, mph, kn, ft/s

Popular Conversions

mph to km/hkm/h to m/skn to mph
Energy
Medium
Convert between joules, calories, BTU, kilowatt-hours and other energy units

Available Units

J, kJ, cal, kcal, Wh, kWh, BTU

Popular Conversions

kcal to kJkWh to JBTU to kJ
Time
Easy
Convert between seconds, minutes, hours, days, weeks, months and years

Available Units

ms, s, min, h, day, week, month, year

Popular Conversions

h to minday to hyear to day
Pressure
Hard
Convert between pascals, bar, psi, atmospheres and other pressure units

Available Units

Pa, kPa, bar, atm, psi, mmHg, torr

Popular Conversions

psi to baratm to kPammHg to kPa
Digital Storage
Medium
Convert between bytes, kilobytes, megabytes, gigabytes and binary units

Available Units

bit, B, KB, MB, GB, TB, KiB, MiB, GiB, TiB

Popular Conversions

GB to TBMB to GBMiB to MB
Conversion Accuracy

Our converters use internationally recognized conversion factors and maintain precision up to 6 decimal places for scientific accuracy.

• SI base units as primary standards

• NIST-certified conversion factors

• Temperature offset calculations

• Binary vs decimal digital units

Measurement Systems

Convert seamlessly between metric (SI), imperial, and specialized measurement systems used worldwide.

• Metric: Most countries worldwide

• Imperial: United States, UK (partial)

• Scientific: Research and engineering

• Specialized: Maritime, aviation, cooking

Quick Tips

Get the most from our unit converters with these helpful tips and common conversion shortcuts.

• Use scientific notation for very large/small values

• Temperature needs offset calculations (not just scaling)

• Digital storage: 1000 vs 1024 base differences

• Cooking: US vs UK measurements differ