UnitExact
Your all-in-one platform with 20 powerful tools: 10 Calculators and 10 Converters, all free and easy to use.
Calculators
BMI Calculator
Body Mass Index from height and weight, with the healthy-weight range for your height.
Mortgage Calculator
Estimate your monthly mortgage payment, including taxes, insurance, PMI and HOA, with a full amortization schedule.
Calorie Calculator
Daily calories from BMR and activity level, with targets to maintain, lose or gain weight, plus macro splits.
Percentage Calculator
What is X% of Y, X is what percent of Y, and percent increase or decrease — in one place.
Age Calculator
Your exact age in years, months and days, your next birthday, and the difference between any two dates.
GPA Calculator
Weighted GPA on a 4.0 scale from your courses, grades and credit hours.
Compound Interest
How savings grow with compound interest, monthly contributions and year-by-year growth.
Tip & Bill Split
Tip amount, total bill and what each person pays, with quick tip presets.
Pregnancy & Due Date
Due date from your last menstrual period, plus your current week and trimester.
Scientific Calculator
A full expression calculator: powers, roots, trigonometry, logarithms and parentheses, with a button keypad.
Length Converter
Convert between metric and imperial lengths: millimeters, centimeters, meters, kilometers, inches, feet, yards, miles and nautical miles.
Weight Converter
Convert kilograms, pounds, grams, ounces, stones and tons in both directions.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin instantly, with common reference points.
Volume Converter
Convert liters, gallons, cups, fluid ounces, milliliters and cubic meters.
Speed Converter
Convert mph, km/h, meters per second, knots and feet per second.
Time Converter
Convert milliseconds, seconds, minutes, hours, days, weeks, months and years.
Area Converter
Convert square feet, acres, square meters, hectares, square miles and more.
Data Storage Converter
Convert bits, bytes, kilobytes, megabytes, gigabytes, terabytes — decimal (1000) and binary (1024) units kept separate.
Energy Converter
Convert joules, kilojoules, calories, kilocalories, watt-hours, kilowatt-hours and BTUs.
Pressure Converter
Convert pascals, kilopascals, bar, atmospheres, psi, mmHg and inches of mercury.