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  • Project Planning Tools | Precision Calculators

    Plan your plumbing and heating installations with total accuracy using our professional online tools. From calculating BTU heat requirements for new radiators to quick Metric-to-Imperial conversions for pipework, our calculators help you make informed decisions on every project. Whether you’re a tradesperson specifying a system or a homeowner sizing up a renovation, we provide the technical data you need to ensure a perfect fit every time.

    Conversion Calculator

    Enter the number of units your want to convert to or from and choose the type of conversion.

    British Thermal Unit (BTU) Calculator

    Choose your room, glazing type and the unit of measurements then enter the width, length and height of your room to find out the total BTU requirement.