Free Calculators
Finance, health, date and unit calculators that just work.
69 tools available
Loan Calculator
Work out the monthly payment, total interest and total cost of any loan. Free online loan calculator that runs in your browser — no upload, no watermark, no…
EMI Calculator
Calculate the equated monthly instalment (EMI) for a loan. Free online emi calculator that runs in your browser — no upload, no watermark, no sign-up.
Mortgage Calculator
Estimate a monthly mortgage payment including tax and insurance. Free online mortgage calculator that runs in your browser — no upload, no watermark, no sign…
Car Loan Calculator
See the monthly repayment and interest cost on a car loan. Free online car loan calculator that runs in your browser — no upload, no watermark, no sign-up.
Home Loan Eligibility Calculator
Estimate how much you could borrow based on income and existing debts. Free online home loan eligibility calculator that runs in your browser — no upload, no…
Simple Interest Calculator
Calculate simple interest and the final amount on a principal. Free online simple interest calculator that runs in your browser — no upload, no watermark, no…
Compound Interest Calculator
See how savings grow with compound interest over time. Free online compound interest calculator that runs in your browser — no upload, no watermark, no sign-…
SIP Calculator
Project the maturity value of a monthly systematic investment plan. Free online sip calculator that runs in your browser — no upload, no watermark, no sign-u…
Lump Sum Investment Calculator
Find the future value of a one-off investment. Free online lump sum investment calculator that runs in your browser — no upload, no watermark, no sign-up.
Retirement Calculator
Estimate your retirement pot from current savings and monthly contributions. Free online retirement calculator that runs in your browser — no upload, no wate…
Savings Goal Calculator
Work out how much to save each month to hit a target amount. Free online savings goal calculator that runs in your browser — no upload, no watermark, no sign…
Discount Calculator
Find the sale price and how much you save on a discounted item. Free online discount calculator that runs in your browser — no upload, no watermark, no sign-…
GST Calculator
Add or remove GST from any amount at any rate. Free online gst calculator that runs in your browser — no upload, no watermark, no sign-up.
VAT Calculator
Add or strip VAT from a price at any VAT rate. Free online vat calculator that runs in your browser — no upload, no watermark, no sign-up.
Sales Tax Calculator
Calculate sales tax and the final checkout total. Free online sales tax calculator that runs in your browser — no upload, no watermark, no sign-up.
Income Tax Calculator
Estimate income tax using simple progressive brackets you control. Free online income tax calculator that runs in your browser — no upload, no watermark, no…
Salary Calculator
Convert a salary between hourly, daily, weekly, monthly and yearly pay. Free online salary calculator that runs in your browser — no upload, no watermark, no…
Hourly to Annual Salary Calculator
Turn an hourly wage into weekly, monthly and annual income. Free online hourly to annual salary calculator that runs in your browser — no upload, no watermar…
Freelance Hourly Rate Calculator
Work out the hourly rate you need to charge to hit an income target. Free online freelance hourly rate calculator that runs in your browser — no upload, no w…
Profit Margin Calculator
Calculate gross profit, margin and markup from cost and revenue. Free online profit margin calculator that runs in your browser — no upload, no watermark, no…
Break-Even Calculator
Find how many units you must sell to cover your fixed costs. Free online break-even calculator that runs in your browser — no upload, no watermark, no sign-u…
ROI Calculator
Measure return on investment as a percentage and annualised rate. Free online roi calculator that runs in your browser — no upload, no watermark, no sign-up.
Tip Calculator
Split a bill and work out the tip per person. Free online tip calculator that runs in your browser — no upload, no watermark, no sign-up.
Currency Conversion Calculator
Convert an amount using an exchange rate you enter, including fees. Free online currency conversion calculator that runs in your browser — no upload, no wate…
Credit Card Payoff Calculator
See how long it takes to clear a card balance and what it costs. Free online credit card payoff calculator that runs in your browser — no upload, no watermar…
Inflation Calculator
See what an amount of money will be worth after years of inflation. Free online inflation calculator that runs in your browser — no upload, no watermark, no…
BMI Calculator
Calculate your body mass index and see which range it falls in. Free online bmi calculator that runs in your browser — no upload, no watermark, no sign-up.
BMR Calculator
Find your basal metabolic rate — the calories you burn at rest. Free online bmr calculator that runs in your browser — no upload, no watermark, no sign-up.
Calorie Calculator
Estimate daily calories to lose, maintain or gain weight. Free online calorie calculator that runs in your browser — no upload, no watermark, no sign-up.
Body Fat Calculator
Estimate body fat percentage using the US Navy tape method. Free online body fat calculator that runs in your browser — no upload, no watermark, no sign-up.
Ideal Weight Calculator
Compare ideal body weight estimates from four classic formulas. Free online ideal weight calculator that runs in your browser — no upload, no watermark, no s…
Water Intake Calculator
Estimate how much water to drink each day for your body and activity. Free online water intake calculator that runs in your browser — no upload, no watermark…
Pregnancy Due Date Calculator
Estimate a due date and current pregnancy week from the last period. Free online pregnancy due date calculator that runs in your browser — no upload, no wate…
Macro Calculator
Split your daily calories into protein, carbs and fat targets. Free online macro calculator that runs in your browser — no upload, no watermark, no sign-up.
Heart Rate Zone Calculator
Get your max heart rate and the five training zones. Free online heart rate zone calculator that runs in your browser — no upload, no watermark, no sign-up.
Age Calculator
Find your exact age in years, months, days, hours and minutes. Free online age calculator that runs in your browser — no upload, no watermark, no sign-up.
Date Difference Calculator
Count the days, weeks and months between two dates. Free online date difference calculator that runs in your browser — no upload, no watermark, no sign-up.
Add or Subtract Days Calculator
Add or subtract days, weeks, months or years from any date. Free online add or subtract days calculator that runs in your browser — no upload, no watermark,…
Working Days Calculator
Count business days between two dates, excluding weekends. Free online working days calculator that runs in your browser — no upload, no watermark, no sign-u…
Day of the Week Calculator
Find which weekday any date falls on, past or future. Free online day of the week calculator that runs in your browser — no upload, no watermark, no sign-up.
Countdown Calculator
See exactly how long is left until a future date or event. Free online countdown calculator that runs in your browser — no upload, no watermark, no sign-up.
Time Duration Calculator
Add up hours and minutes between a start and end time. Free online time duration calculator that runs in your browser — no upload, no watermark, no sign-up.
Leap Year Calculator
Check whether a year is a leap year and find the next ones. Free online leap year calculator that runs in your browser — no upload, no watermark, no sign-up.
Percentage Calculator
Solve the three everyday percentage questions in one place. Free online percentage calculator that runs in your browser — no upload, no watermark, no sign-up.
Percentage Increase Calculator
Measure the percentage change between two values. Free online percentage increase calculator that runs in your browser — no upload, no watermark, no sign-up.
Average Calculator
Get the mean, median, mode and range of a list of numbers. Free online average calculator that runs in your browser — no upload, no watermark, no sign-up.
Fraction Calculator
Add, subtract, multiply or divide two fractions and simplify. Free online fraction calculator that runs in your browser — no upload, no watermark, no sign-up.
Ratio Calculator
Simplify a ratio or solve for the missing value in a proportion. Free online ratio calculator that runs in your browser — no upload, no watermark, no sign-up.
Scientific Calculator
Evaluate a maths expression with powers, roots and trig functions. Free online scientific calculator that runs in your browser — no upload, no watermark, no…
Square Root Calculator
Find square roots, cube roots and nth roots of any number. Free online square root calculator that runs in your browser — no upload, no watermark, no sign-up.
Exponent Calculator
Raise any number to any power, including negative and fractional. Free online exponent calculator that runs in your browser — no upload, no watermark, no sig…
GPA Calculator
Calculate a weighted grade point average from grades and credits. Free online gpa calculator that runs in your browser — no upload, no watermark, no sign-up.
Grade Calculator
Turn marks into a percentage and letter grade instantly. Free online grade calculator that runs in your browser — no upload, no watermark, no sign-up.
Area Calculator
Calculate the area of a rectangle, circle, triangle or trapezoid. Free online area calculator that runs in your browser — no upload, no watermark, no sign-up.
Volume Calculator
Find the volume of a box, cylinder, sphere or cone. Free online volume calculator that runs in your browser — no upload, no watermark, no sign-up.
Random Number Generator
Generate random numbers in any range, with or without duplicates. Free online random number generator that runs in your browser — no upload, no watermark, no…
Length Converter
Convert between millimetres, metres, miles, feet and more. Free online length converter that runs in your browser — no upload, no watermark, no sign-up.
Weight Converter
Convert grams, kilograms, pounds, ounces and stones. Free online weight converter that runs in your browser — no upload, no watermark, no sign-up.
Volume Converter
Convert litres, millilitres, gallons, cups and pints. Free online volume converter that runs in your browser — no upload, no watermark, no sign-up.
Area Converter
Convert square metres, square feet, acres and hectares. Free online area converter that runs in your browser — no upload, no watermark, no sign-up.
Speed Converter
Convert km/h, mph, m/s, knots and feet per second. Free online speed converter that runs in your browser — no upload, no watermark, no sign-up.
Data Storage Converter
Convert bytes, kilobytes, megabytes, gigabytes and terabytes. Free online data storage converter that runs in your browser — no upload, no watermark, no sign…
Time Converter
Convert seconds, minutes, hours, days, weeks and years. Free online time converter that runs in your browser — no upload, no watermark, no sign-up.
Pressure Converter
Convert pascals, bar, PSI and atmospheres. Free online pressure converter that runs in your browser — no upload, no watermark, no sign-up.
Energy Converter
Convert joules, calories, kilowatt-hours and BTU. Free online energy converter that runs in your browser — no upload, no watermark, no sign-up.
Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin. Free online temperature converter that runs in your browser — no upload, no watermark, no sign-up.
Number to Words Converter
Spell out any whole number in plain English words. Free online number to words converter that runs in your browser — no upload, no watermark, no sign-up.
Fuel Cost Calculator
Work out the fuel cost of a trip from distance, economy and price. Free online fuel cost calculator that runs in your browser — no upload, no watermark, no s…
Electricity Cost Calculator
Estimate what an appliance costs to run per day, month and year. Free online electricity cost calculator that runs in your browser — no upload, no watermark,…