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Calculators and Converters

Choose from a multitude of free calculators and converters in the areas of finance, health, cooking, math and science for everyday use.

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Financial Calculators

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

Featured Conversions

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

Health

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

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.

Cooking Calculators

A suite of recipe calculators to help you with converting between metric and imperial units when baking or cooking.

Unit Conversions

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

Featured Articles

What is a Dash, Pinch, Smidgen and Nip?

A dash of this, a pinch of that – they’re terms we’ve all seen in recipes. What exactly do they mean, though?Old-fashioned measurements explainedThese measurements don’t have precise, fixed definitions, but there is a general consensus amongst baking experts about what they mean…

How Much is a TRILLION?

A trillion is one million million and has twelve zeroes: 1,000,000,000,000.Fast facts:On 2 August 2018, Apple became the first publicly traded U.S company to reach a market cap of $1 trillion. Two years later its value had doubled …

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.

How To Measure Your Waist

Whether you’re ordering clothes online, monitoring your weight, or designing a bespoke bucket chair for your space-shuttle to the moon (look, the world is on fire; it’s OK to have a plan B), you need to be able to measure your body accurately. Here’s how to get the digits for your waist.