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Recently added Calculators
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Recently Added Calculators

Calculate the distance between rows of solar panels
If you put up rows of tilted solar panels it is very important to make sure than the panels will not shade each other. This calculator will work out the minimum panel spacing to get maximum use of space while avoiding one panel shading another.
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How to organise a Car assisted Linear Shuttle Walk ?
If you go on a hike you normally walk back to the start point. If you have some cars you can do a more complicated walk where some of the cars go to the end of the route. This is complicated to organise so we have created this calculator to make this simple.
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How to dilute liquids to change the percentage of concentration.
I made this calculator to work out how to make up spray bottles of Hydrogen peroxide. From the shop it can come in 3%, 6% or 35% concentrations but I want 3% to spray on my tomatoes. Using this calculator I can make up batches of different concentrations for different purposes.
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Get the driving route between any two places
I made this route maker so that I can send a link to anyone in our hiking group to show them how to get to the start of the walk. You can probably do this on a smartphone but I much prefer to do things with a laptop with a normal keyboard. Just type in the name of the start point and destination and a map will appear then click the link to make the link. Then copy the link into an email and sent it.
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Calculate how much sugar to add to increase the alcohol in wine
This page is for people who make wine where the original amount of sugar is not sufficient to make a storable wine (minimum 10% per volume) and therefore it is necesary to add sugar (chapitalise).The calculator on this page will enable you to make a fairly rough calculation accurate to within 1% alcohol by volume (ABV).
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Calculate the size of hard disk needed for video surveilance.
If you install video surveilance you will need to know the size of the hard disk you need. This calculator will work this out for you depending on the amount of cameras, the resolution, the framerate, the number of hours of use per day etc.
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How old is your dog in human years?
This calculator will allow you to calculate the age of your dog in human years. This is not an exact science and no one formula for dog-to-human age conversion is scientifically agreed on but it gives an approximate way of considering how old a dog is when compared to a human.
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Heating water
How long does it take to heat water up depends on the volume of water, the energy used, the starting temperature and the finishing temperature. Here you can calculate how long it takes to heat the water so you will know how long it will be before you can have a shower.
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Currency Converter
Using the currency converter you can convert 83 different currencies. The results come from the European Central Bank so the results are always up to date.
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Birthday Celebration Calculator
Are you bored of having the same birthday every year? Do you want an excuse for a party? Use our thousand day aniversary calculator to find dates to celebrate.
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