Every calculator, in your language.
Free, fast, and accurate calculators for health, finance, math and conversions. No sign-up required.
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Health
BMI, calories, heart rate, body fat and more
BMI Calculator
Calculate your Body Mass Index (BMI) and find out which weight category you fall into.
Calorie Calculator
Find your daily calorie needs based on age, weight, height and activity level.
Running Pace Calculator
Find your running pace per kilometre and your average speed.
Body Fat Calculator
Estimate your body fat percentage with the U.S. Navy method.
Water Intake Calculator
Estimate how much water you should drink per day based on your weight and activity.
Macro Calculator
Split a daily calorie target into protein, carbs and fat for your goal.
Pregnancy Due Date Calculator
Estimate your due date and how far along you are, from your last period.
One Rep Max Calculator (1RM)
Estimate your one-rep max and training loads from a set you've lifted.
Running Calories Calculator
Estimate the calories you burn running a given distance.
Finance
Mortgage, loans, interest, ROI, savings
Compound Interest Calculator
See how your savings or investment grows over time with compound interest.
Loan Calculator
Estimate your monthly loan or mortgage payment, total cost, and total interest.
VAT Calculator
Add or remove VAT (sales tax) from any amount and see the net, tax and gross values.
Salary Calculator
Convert a wage between hourly, weekly, monthly and annual figures.
Profit Margin Calculator
Calculate profit, margin and markup from your cost and selling price.
Simple Interest Calculator
Calculate simple interest and the total amount due over time.
Mortgage Calculator
Estimate your monthly home loan payment, total cost and total interest.
Budget Calculator (50/30/20)
Split your monthly income into needs, wants and savings with the 50/30/20 rule.
Math
Percentage, fractions, equations, statistics
Percentage Calculator
Work out a percentage of any amount, plus the value increased or decreased by that percentage.
Percentage Change Calculator
Calculate the percentage increase or decrease between two values.
Ratio Calculator
Simplify a ratio and get its decimal and percentage form.
Average Calculator (Mean)
Find the mean, median, sum, min and max of a list of numbers.
Conversion
Units, currencies, time zones, dates
Everyday life
Tips, fuel, cooking, time, age
Tip Calculator
Calculate the tip and total for any bill, and split it evenly between people.
Fuel Cost Calculator
Work out how much fuel a trip needs and what it will cost.
Discount Calculator
Calculate the sale price after a discount and how much you save.
Age Calculator
Find your exact age in years, months and days — plus totals and your next birthday.
Speed Calculator
Calculate average speed from distance and time, in km/h, mph and m/s.
Date Difference Calculator
Count the exact time between two dates — in years, months, days, weeks.
Electricity Cost Calculator
Estimate how much an appliance costs to run, based on its power and your tariff.
GPA Calculator
Calculate your grade point average from your grades and credits — works with any grading scale.
Travel Time Calculator
Work out how long a trip takes from distance and average speed.
Work Hours Calculator
Calculate hours worked between two times, minus breaks — and optional pay.