How can energy efficiency help you at home and in business?
Find out your efficiency possibilities.
Energy Efficiency eBook60 technologies reviewed  54 best practices that can be applied for free. 

Energy Efficiency
Light Energy Calculator  Calculate the before and after costs for efficient lighting. 

Computing EfficiencyMeasure Computer Power Consumption 

Solar Power
Solar Power Calculator for your location  Power output, net savings, ROI for 1 year and life of system. 

Distance Conversion UtilitiesConvert mm to inches calculator Also convert inches to millimetres. Plus 1200 inches to millimetres conversion chart.Convert inches eighth 1/8 sixteenth 1/16 to mm calculator  mobile version Convert mm to inches eighth 1/8 sixteenth 1/16 calculator  mobile version Convert feet to metres Plus Feet to Metres and Millimetre table. Metric to Inches Conversion Calculator with Metres Centimetres Millimetres Also inches to metric conversion. Centimetres to Feet and Inches and 1/16 Converter Plus 1100 cm to ft, in and 1/16 table. Metres to Feet and Inches Converter Also Yards, Feet and Inches to Metres or Millimetre conversion. Convert feet and inches to cm calculator Also feet and inches to cm conversion table. Convert inches to cms centimetres Also centimetres to inches conversion. Plus 1200 inches to centimetres table. Feet to metres Plus 1 to 50 feet to metres and millimetres table. Convert km to miles Plus 1 to 50 kilometres to miles and yards table. Covert km to miles calculator and 1100 km to miles chart  mobile version Convert miles to kilometres Plus 1 to 50 miles to kilometres and metres table. Convert miles to km calculator and 1100 mile to km chart  mobile version Local Distance Measurement Products 

Volume Conversion UtilitiesCylinder Volume Calculator in Metres and Centimetres Cylinder volume by radius in metres, diameter in metres, radius in centimetres or diameter in centimetres.Volume of a cylinder in metres and litres  mobile version Volume of a cylinder in centimetres and litres  mobile version Cylinder Volume Calculator in Feet and Inches Cylinder volume by radius in feet, diameter in feet, radius in inches or diameter in inches. Volume of a cylinder in feet and gallons  mobile version Volume of a cylinder in inches and gallons  mobile version Litres to gallons pints and ounces converter Plus gallons to litres converter. US and UK gallons. Cups to millilitres or ounces converter Plus cups and cup fraction to millilitres or ounces table. Cups tablespoons teaspoons including fractions to ml converter Pints to litres Converter Both US and UK units of volume. Cubic Volume Calculator  Calculate multiple volumes and add them Up to 8 volumes can be listed and and added. Fuel Efficiency Converter Distance in kilometres and miles. Fuel in litres or gallons. Fuel efficiency in miles per gallon or litres per 100 km. Local Volume Measurement Products 

Area Measurement Conversion UtilitiesArea Calculator in Metres and Centimetres Multiple area calculations can be saved and exported.Area Calculation in feet and inches Multiple area calculations can be saved and exported. Surface Area of a Cylinder Calculator Results in square metres, square centimetres, square inches or square feet. Surface Area of a Sphere Calculator Results in square metres, square centimetres, square inches or square feet. Surface Area of a Cone Calculator Results in square metres, square centimetres, square inches or square feet. Surface Area of a Cube Calculator Results in square metres, square centimetres, square inches or square feet. 

Temperature Conversion UtilitiesConvert Celsius to Fahrenheit Plus 0 to 50 celsius to fahrenheit conversion table.Convert Fahrenheit to Celsius Plus 30 to 130 fahrenheit to celsius conversion table. Celsius to Fahrenheit Chart 50 to 250 degrees to fahrenheit (58 to 482) conversion table. Local Temperature Measurement Products 