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44 tools
The household calculator is a free web tool for estimating home water footprint and conservation opportunities. It is designed to account for indoor household water behavior, including bath/shower-related use in the home section. Access is free with no mandatory paid plan.
This battery charging calculator estimates charge current, C-rate, charging time, and energy using battery capacity, voltage, chemistry, and SoC targets. It is oriented toward practical IEC/IEEE-style engineering estimates and includes taper/efficiency options. The tool is freely accessible without mandatory paid access.
This free bathroom mirror size calculator uses vanity width, ceiling height, sink height, and style inputs to recommend mirror dimensions and placement. It supports different mirror shapes and single/double sink setups for more tailored results. The calculator is available on the public page with no mandatory paid plan.
Its free Bean Bag Filling Calculator estimates how much filling is needed using bean bag dimensions and filler density. It provides guidance for different bean bag sizes and translates volume into practical filler amounts. The calculator is available directly on the page without mandatory payment.
Its mattress size calculator is free and interactive, using room size, sleeper count, height, and sleep style to suggest an ideal bed size. The page includes visual fit outputs and practical sizing tips. The tool is usable without a mandatory paid subscription.
This free balloon arch calculator estimates arch length, balloon quantity, and projected cost using inputs like height, width, diameter, and arch type. It is geared toward event planning use cases such as weddings and parties and includes practical tips on extra balloon buffer and setup choices. No mandatory paid plan is required to use the tool.
This lighting calculator determines how many light bulbs you need to illuminate a particular space.
Lumens to watts calculator will help you calculate the efficiency of your light-emitting diodes and other bulbs based on their brightness-to-power ratio. Or, you can find the required watts based on their lumens and efficacy.
Use this appliance depreciation calculator to find out the current value of home appliances.
Estimate the daily and monthly electricity consumption and cost in your house using our appliance wattage calculator.
This blind size calculator will help you to buy the correct-size blinds for your windows.
The cord of wood calculator can help you figure out the value of a stack of firewood and defines a cord of wood.
The curtain panel calculator helps you determine the correct measurements you should use to sew your curtains.
This curtain size calculator is designed to help you calculate the size of curtain you need based on your desired length and fullness.
Estimate your monthly data usage and cut down your internet expenses using the data usage calculator.
If you're searching for a simple way of improving your office workspace's ergonomics, there isn't a better tool than this desk height calculator.
The dilution ratio calculator tells you how much water and concentrate you need to get your desired dilution ratio.
The electricity cost calculator finds out how much it costs you to run electric devices.
Electricity cost – single usage calculator estimates the cost of electricity needed to run a device for a particular period of time.
Our EUI calculator can help you to calculate and measure a building's energy efficiency.
Using our garbage bag size calculator, you can find the right bag size to place in your trash can.
Compare the operating cost between using gas and electric dryer using our gas vs. electric dryer calculator.
Use our generator wattage calculator to estimate the load requirements of your generator.
Find out how to hang a hammock with this handy hammock hang calculator.