Online Calculators - Calcalot is a resource for free online calculators. If you are looking for a BMI Calculator or want to calculate your monthly mortgage repayments with our Mortgage Calc then look no further!

Anyone trying to conceive might be interested in our new Ovulation Calculator.

BMI Calculator

The BMI Calculator will work out your Body Mass Index and give you an indication as to whether or not you are overweight. (We have both a metric and imperial version of the calculator.)
BMI Calculator

Mortgage Calc

Use the Mortgage Calculator to help determine your monthly mortgage repayments on both interest only and capital repayment mortgages.
Mortgage Calc

Ovulation Calculator

The Ovulation Calculator can be used to predict your most fertile period in each month. This calculator is free to use and will indicate when you are most likely to ovulate, therefore helping to increase your chances of conception.
Ovulation Calculator

Conversion Calculators

These Conversion Calculators are ideal for converting units from metric into imperial. Included with the calculators are a Liquid Conversion Calculator and a Length Conversion Calculator along with Length Conversion Charts and Liquid Conversion Tables.
Metric Conversion Calculators

Please note: We do not have a usage limit so you are free to use our online calculators as often as you like.


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Ovulation Calculator

We have just added an online ovulation calculator to the site. This can be of great help to couples who are trying for a baby.
Free Ovulation Calculator

New Calculators

We will be adding a number of new calculators in the future including a metric conversion calculator, a pregnancy calculator and many more, so please visit us again.

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