# Free Calculators and Converters

An extensive collection of free, highly-rated online calculators and converters covering finance, construction, education, health, cooking and math for everyday use.

## Financial Calculators

A suite of financial calculators to assist with projections for savings, investments, loans, mortgages and small business calculations.

**Compound Interest**

Use our compound interest calculator to determine the future value of your savings or investments over time.

**Loan Calculator**

Calculate repayments for personal loans, student loans or mortgages. You can also incorporate extra payments.

- Compound Interest (Daily)
- Amortization Calculator
- APY Calculator
- Boat Loan Calculator
- CAGR Calculator
- Car Loan Calculator
- Cash Back Calculator
- Credit Card Repayment
- Forex Compounding
- How Long to Save
- How Long Will My Money Last
- Hourly to Salary Calculator
- Interest Rate Calculator
- IRR Calculator
- Loan Payoff Calculator
- Margin Calculator
- Million to Billion Converter
- Money Counter
- Overtime Calculator
- Pay Raise Calculator
- Price Per Square Foot
- Salary to Hourly Calculator
- Savings Calculators
- Savings Goal Calculators
- Simple Interest Calculator
- SIP Calculator
- Time and a Half Calculator

## Featured Conversions

A series of individual converters for popular weight, length, height, area and energy units.

**Kilos to stone & pounds**

Convert between these popular units of weight in the imperial and metric systems.

**Centimeters to feet & inches**

Our popular calculator for converting units of height, length or distance.

- Grams to Pounds
- Kilos to Pounds
- Stone to Pounds
- Centimeters to Inches
- Cubic Yards to Tons
- Feet to Inches
- Feet to Meters
- Gallons to Ounces
- Gallons to Pounds
- Hertz to Seconds
- Inch-pounds to ft-lb
- Inches to Centimeters
- Inches to Feet
- Liters to Gallons
- Liters to Ounces
- Liters to Tons
- Lumens to Watts
- Meters to Feet & Inches
- Micrograms to mg
- Milligrams to Grams
- Millimeters to Inches
- Newton-Meters to ft lb
- Ounces and Pounds
- Square Feet to Acres
- Square Feet to Cubic Feet
- Square Feet to Cubic Yards
- Square Meters to Square Feet
- Watts to Amps

## Health

A small collection of health calculators, from BMI and BMR through to pregnancy and exercise.

**Steps to Miles Calculator**

Calculate 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 on your pregnancy journey.

## Handy and Fun

A collection of handy calculators for DIY construction projects as well as math calculators and a selection of tools for calculating dates.

**Square Footage Calculator**

Work out the square footage of an area for flooring, landscaping, carpets, or other construction projects.

**Percentage Calculator**

Work out percentage increases, decreases or differences for tax, gratuities, discounts, grades or more.

- Age Calculator
- Age Difference Calculator
- Birthday Calculator
- Chronological Age
- Cubic Feet Calculator
- Cubic Meters Calculator
- Cubic Yards Calculator
- Date Calculator
- Days Between Dates
- Days From Today
- Days Until...
- Decimal to Fraction
- Density Calculator
- Electricity Cost Calculator
- Fractions Calculators
- Generation Calculator
- Gravel Calculator
- Hex to Decimal Converters
- How Much Flooring do I Need?
- LED Savings Calculator
- Miles Per kWh Calculator
- MPGe Calculator
- Mulch Calculator
- Percentage Change
- Roman Numerals
- Sig Figs Calculator
- Final Grade Calculator
- Uni Grade Calculator

## 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 conversion tool.

- Baking Conversions
- Butter Converter
- Cups to mL
- Cups to Ounces
- Cups to Tablespoons
- Grams to Cups
- Grams to Ounces
- Grams to Tablespoons
- Grams to Teaspoons
- mL to Grams
- Ounces to Grams
- Ounces to mL
- Oven Temperatures
- Pints to Cups
- Pounds and Cups
- Quarts to Cups
- Tablespoons to Teaspoons
- Teaspoons to Grams
- Teaspoons to mL

## Unit Conversions

A series of unit converters for area, energy, fuel consumption, length & distance, volume, weight and more.

**Area Converter**

Convert between acres, square centimeters, square feet, square miles and other units of area.

**Height Converter**

Use this converter to change imperial measurements of height into metric, and vice-versa.

## Featured Articles

How to Calculate Square Footage - Step by Step

Whether you're shopping for carpet or planning a landscaping or home improvement project, square footage is a key metric to understand. So, let's go through the steps involved in calculating it. Further down, we'll also include a handy calculator to help you with your calculation...

How Long Would it Take to Walk Around the World?

Do you have a fully charged cell phone, some sturdy walking shoes and a really big bottle of water? Great. You'll be home in a mere matter of months, though exactly how long it takes to walk around the world will depend on a couple of factors...In which direction are you walking around the world?T...

Compound Interest Formula - Explained

An in-depth look at the compound interest formula as we break down **how to calculate compound interest**. The concept of compound interest is that interest is added back to the principal sum so that interest is earned on that added interest during the next compounding period.

## Are the calculators on our site free to use?

Yes, all the online 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. You can learn more about The Calculator Site and the causes we support (tree planting) on our about page.