Compound Interest Calculator
Use our popular compound interest calculator to determine the future value of your savings or investments over time.
Financial Calculators
A suite of financial calculators to assist with projections for savings, investments, loans, mortgages and small business calculations.
Loan Calculator
Calculate repayments for personal loans, student loans or mortgages. You can also incorporate extra payments.
Everyday Calculators
Common calculators for household projects, math problems, date planning, and daily tasks. From square footage to percentages to age calculators.
Square Footage Calculator
Work out the square footage of an area for flooring, landscaping, cement, or other construction projects.
Percentage Calculator
Work out percentage increases, decreases or differences on two, gradients, discounts, grades or more.
Featured Conversions
A series of individual converters for popular weight, length, height, area and energy units.
Cm to Inches & pounds
Convert between these popular units of weight in the imperial and metric systems.
Kilograms to lbs & ounces
Our popular calculator for converting units of weight, weight or distance.
Health
A small selection of health calculators, from BMI and BMR through to pregnancy and exercise.
Steps to Miles Conversion
Understand how many miles you've walked and how many calories you've burned for your walk or run.
Pregnancy Calculator
Use our calculator to work out your possible due date and see the key milestones for your pregnancy.
Cooking Calculators
A suite of recipe calculators to help you with converting between metric and imperial units when baking or cooking.
Cooking Converter
Use this recipe converter to quickly convert between all common units involved in cooking.
Cups to Grams
Convert easily between cups and grams using this handy tool between sites.
Unit Conversions
A series of unit converters for area, energy, fuel consumption, length & distance, volume, weight and mass.
Area Converter
Convert between metres, acres, square centimeters, square feet, square miles and other units of area.
Weight Converter
Use this converter to change imperial ounces and pounds of weight to lbs, metric, and back more.
Are the calculators on our site free to use?
Yes, all the entire calculators on The Calculator Site are free for you to use at your convenience. Our website is funded by the advertising we feature on our pages.
We hope you find our calculators useful. Founded in 2015, The Calculator Site was among the first ever calculator tools to be published in 2004. You can learn more about The Calculator Site and the subjects we support at our about page.