Unit Converter Calculator App

Unit Converter & Calculator is an all-in-one unit converter, currency converter and scientific calculator. Convert length, weight, temperature, area, volume, speed, time, data and more in one tap, check live exchange rates, and solve math with a full scientific calculator, all in one fast, clean app.

Whether you are cooking, travelling, studying, working out or working on a project, get the answer in seconds.

CALCULATOR: STANDARD + SCIENTIFIC

Opens in a simple standard calculator, switch to scientific with one tap (your choice is remembered)

Standard: + − × ÷, percent, instant live result

Scientific adds powers, square root, factorial, brackets, π and e

Trigonometry: sin, cos, tan and their inverses, with DEG / RAD switch

Logarithms (ln, log)

Copy the answer with one tap

UNIT CONVERTER

Instant results as you type

One-tap swap between units

Remembers your last selected units for every category

Core conversions work offline

CURRENCY CONVERTER

Live exchange rates, updated daily

25+ major currencies: USD, EUR, GBP, INR, JPY, CAD, AUD, CNY, BRL, MXN, KRW, AED and more

Cached rates keep working when you are offline

POPULAR CONVERSIONS

km to miles, miles to km

lbs to kg, kg to lbs

Celsius to Fahrenheit, Fahrenheit to Celsius

cups to mL, gallons to liters

feet to meters, inches to cm

MB to GB, GB to TB

USD to INR, EUR to USD, GBP to USD

CATEGORIES

Calculator (Standard and Scientific)

Live Currency

Length

Weight

Temperature

Area

Volume

Speed

Time

Data

Energy

Angle

Power

Pressure

UNITS SUPPORTED

Length: mm, cm, m, km, in, ft, yd, mi

Weight: mg, g, kg, t, oz, lb, st

Temperature: °C, °F, K

Area: mm², cm², m², ha, km², in², ft², yd², ac, mi²

Volume: mL, L, cm³, m³, gal, qt, pt, cup, fl oz

Speed: m/s, km/h, mph, knots

Time: ms, s, min, hr, day, week

Data: bit, B, KB, MB, GB, TB

Energy: J, kJ, cal, kcal, Wh, kWh

Angle: deg, rad, grad

Power: W, kW, MW, hp

Pressure: Pa, kPa, bar, atm, psi, mmHg

MADE FOR EVERYONE

Students: homework, physics, chemistry and maths

Travellers: currency, distance and temperature

Home cooks: cups, ounces, millilitres and grams

Fitness users: weight, distance and speed

Engineers, developers and IT users: data, power, pressure and energy

Why choose Unit Converter & Calculator?

Three tools in one app: unit converter, currency converter and scientific calculator

Fast, lightweight and easy to read

Light and dark mode

Core tools work without internet

Download Unit Converter & Calculator today and convert, calculate and compare with confidence.