Home, Garden & DIY
218 tools · page 4 of 4
- Heat Pump Running Cost Calculator Estimate what a heat pump costs to run each year from your heat demand, seasonal COP and electricity tariff.
- Home Battery Storage Savings Calculator See how much a home battery saves each year by charging on a cheap night tariff and discharging at peak.
- Hot Tub Chemical Calculator Estimates the ounces of chlorine sanitizer (dichlor, trichlor or cal-hypo) needed to raise your hot tub from its current chlorine ppm to the target level.
- LED vs Incandescent Savings Calculator See how much money and energy you save each year by swapping incandescent bulbs for LEDs.
- Light Bulb Cost Calculator Calculate the yearly and monthly electricity cost of running light bulbs from wattage, daily hours and your kWh rate.
- Lighting Lumens per Room Calculator Work out how many lumens and light fittings a room needs for its area and intended use.
- Loft Boarding Cost Calculator Works out how many loft boards you need for a given attic floor area and what the boards will cost, including a waste allowance.
- Loft Insulation Savings Calculator Work out the annual heating savings from upgrading your loft insulation U-value.
- Mulch Coverage Calculator Estimates the cubic yards and 2-cu-ft bags of mulch for an area at your chosen depth.
- Natural Gas Bill Calculator Estimate your natural gas bill from therms used, the unit rate, fixed charges and tax.
- Net Metering Savings Calculator Estimates annual net-metering savings from self-consumed solar energy plus exported energy credited at your export rate.
- Paint Coverage by Coats Calculator Find how many litres of paint you need for a wall area, number of coats and the paint's spread rate.
- Plasterboard Sheets Calculator Estimates the number of plasterboard (drywall) sheets, screws and jointing compound required to cover a wall area, including a waste allowance.
- Plastic Bottle Savings Calculator Estimate how many plastic bottles, how much money, and how much CO2 you save by switching to a reusable bottle over time.
- Pool Heating Cost Calculator Estimate the energy and money it takes to raise your pool's temperature by a given amount.
- Radiator BTU Requirement Calculator Estimates the BTU and watt output a radiator needs, based on your room's volume and its room-type heating factor.
- Roof Insulation U-Value Calculator Calculates the U-value of a roof from the insulation thickness, its thermal conductivity, and the resistance of the other layers.
- Roof Rafter Length Calculator Work out common rafter length, rise, run and pitch angle from the roof span and pitch.
- Sand Calculator How much sand you need for a rectangular area: volume, weight at your sand density, and the number of 25 kg bags.
- Scaffolding Hire Cost Calculator Estimates the cost of hiring scaffolding from the frontage length, number of lifts, hire period, and the erect and weekly rates.
- Screed Depth Volume Calculator Calculate the screed volume, total weight and number of bags needed for a floor area.
- Septic Tank Size Calculator Find the septic tank capacity a household needs from the number of people, daily water use and retention time.
- Shed Base Slab Calculator Work out the concrete volume and hardcore sub-base needed for a shed base slab.
- Shelf Span Calculator Calculates the maximum unsupported shelf span before noticeable sag, based on the load, shelf dimensions and material stiffness.
- Skip Size Calculator Converts a waste volume into cubic yards with a bulking allowance and recommends the smallest standard skip that will hold it.
- Skirting Board Length Calculator Calculates the running metres of skirting board and the number of packs you need for a room, after deducting doorways.
- Space Heater Cost Calculator Calculate the electricity cost of running a space heater from its wattage, daily hours and your kWh rate.
- Stone Veneer Calculator Estimates the square footage of flat stone veneer and the linear feet of corner pieces needed for a wall, including a waste allowance.
- Thermostat Setback Savings Calculator Estimate how much you save on heating by turning the thermostat down, using the 1% per degree per 8 hours rule.
- Tile Adhesive Calculator Tile adhesive needed for your tiling area at a given consumption per square metre, and how many bags to buy.
- Tile Grout Quantity Calculator Works out how many kilograms of grout you need for a tiled area from the tile size, tile thickness and joint width.
- Underfloor Heating Output Calculator Estimate the heat output of an underfloor heating system from floor area and water temperatures.
- Underpinning Cost Calculator Estimate the excavation volume and cost of underpinning a foundation from its length, depth and width.
- Ventilation Air Changes Calculator Works out the air changes per hour (ACH) of a room from the ventilation airflow and the room volume.
- Water Footprint Calculator Estimates the virtual water footprint of daily habits like coffee, beef, showers and bread, per day and per year.
- Water Heater Recovery Time Calculator Estimate how long a water heater takes to reheat its tank from element power and temperature rise.
- Water Tank Size Calculator Work out the storage tank capacity in litres a household needs from its daily demand and reserve days.
- Window Replacement Cost Calculator Estimates what it costs to replace your windows from the number of windows, their size and the glazing type.