All Calculators

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Percentage Calculator

Calculate percentages in three ways: find X% of Y, determine what percent X is of Y, or calculate percentage change between values.

Calculate your Body Mass Index to understand your weight category. Supports both metric (kg/cm) and imperial (lb/ft) units.

Convert between common units of measurement including length, weight, temperature, and volume. Instant conversion as you type.

Calculate your exact age in years, months, and days. Also shows total days lived and countdown to your next birthday.

Calculate tips quickly and split bills among friends. Features quick tip buttons and the ability to divide among multiple people.

Calculate the number of days between two dates, or add/subtract days from a specific date. Great for planning and deadlines.

Look up calories in common foods or calculate your daily calorie needs based on BMR and activity level (TDEE).

Calculate monthly loan payments, total interest, and see a breakdown. Great for mortgages, car loans, and personal loans.

See how your investments grow over time with compound interest. Perfect for planning savings, investments, and retirement.

Convert between hourly, weekly, bi-weekly, monthly, and annual wages. Perfect for job offers, freelancing, and budgeting.

Calculate sale prices and savings instantly. Enter the original price and discount percentage to see your final cost.

Calculate your cumulative GPA from letter grades or percentage scores. Add multiple courses with different credit hours.

Estimate fuel costs for your trip. Enter distance, fuel efficiency (MPG, km/L, or L/100km), and current gas price.

Convert time between different time zones around the world. Perfect for scheduling international calls and meetings.

Generate random numbers for any purpose. Set your range, quantity, and whether duplicates are allowed.