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Search 15 calculators, 2 guided workflows and 40 researched guides. Filter by appliance, topic or label market.
57 calculators, workflows and guides
- WORKFLOW · ALL MARKETS
Find the right appliance-cost calculator
Choose your goal, appliance, label market and available energy input to find a suitable running-cost, comparison or household calculator.
- WORKFLOW · ALL MARKETS
Appliance electricity measurement journal
Record complete-day or completed-cycle kWh readings, retain their conditions, export device-local observations and transfer samples into appliance-cost calculators.
- CALCULATOR · ALL MARKETS
Fridge running-cost calculator
Convert the annual electricity consumption on a fridge or freezer label into a cost using your own tariff.
- CALCULATOR · ALL MARKETS
Washing-machine running-cost calculator
Turn a stated cycle-energy figure into electricity cost per wash and an estimate for your laundry routine.
- CALCULATOR · ALL MARKETS
Tumble-dryer running-cost calculator
Estimate electricity costs using the energy figure and measurement basis stated for your dryer.
- CALCULATOR · ALL MARKETS
Dishwasher running-cost calculator
Calculate the electricity cost of a stated dishwasher cycle and estimate the cost of your weekly usage.
- CALCULATOR · ALL MARKETS
Appliance cost comparison
Compare two appliances using compatible consumption figures, your weekly usage, purchase prices and a chosen comparison period.
- CALCULATOR · ALL MARKETS
Appliance replacement-payback calculator
Estimate whether electricity savings recover the net cost of replacing a working appliance, using your own consumption, tariff and costs.
- CALCULATOR · ALL MARKETS
Electricity cost calculator: watts and hours
Calculate electricity cost from electrical input watts or kilowatts and daily use time, or use measured kWh over complete days with your own tariff.
- CALCULATOR · ALL MARKETS
Electric-heater running-cost calculator
Estimate electric space-heater cost per hour, use day and chosen period using input power and time, or a complete-day energy measurement.
- CALCULATOR · ALL MARKETS
Dehumidifier running-cost calculator
Estimate dehumidifier electricity costs using electrical input and use time, or measured daily energy that includes compressor or humidistat cycling.
- CALCULATOR · ALL MARKETS
Air-conditioner running-cost calculator
Calculate air-conditioner electricity cost for your cooling season from electrical input and time, measured kWh, or a stated annual label figure.
- CALCULATOR · ALL MARKETS
Air fryer vs oven electricity-cost calculator
Compare electricity cost for the same meal in an air fryer and electric oven, including batches and preheating or measured whole-meal energy.
- CALCULATOR · ALL MARKETS
Household appliance-cost planner
Build an annual electricity budget for several appliances using label energy, cycles, electrical input or completed-day measurements.
- CALCULATOR · ALL MARKETS
Time-of-use and electricity-tariff comparison
Compare two electricity tariffs using the same annual kWh, your off-peak share and separate daily fixed charges, then explore shifting usage.
- CALCULATOR · ALL MARKETS
Guided appliance energy-label reader
Choose your appliance and label market, identify the energy figure and its units, and carry your manually entered values into a running-cost calculator.
- CALCULATOR · ALL MARKETS
What changes your appliance cost?
Compare three sets of assumptions for electricity use, tariffs and replacement prices, and see how annual cost or simple replacement payback changes.
- LABEL GUIDE · EU
What does “kWh per 100 cycles” mean?
Convert a documented washing-machine label into cost per cycle and annual laundry cost, and understand the small rounding difference in its product sheet.
- LABEL GUIDE · US
US EnergyGuide running costs: use annual kWh and your local rate
Read a US EnergyGuide estimate, reprice a documented refrigerator figure in dollars, and keep washer, hot-water and household-bill boundaries clear.
- PRACTICAL GUIDE · ALL MARKETS
kW and kWh: the difference that matters
Understand power, energy and running costs, and choose the right figure for an appliance cost calculation.
- LABEL GUIDE · EU
A to G energy ratings: compare the figure as well as the letter
Understand what a rescaled energy class can tell you, why old plus ratings do not translate directly, and how to compare running costs.
- LABEL GUIDE · UK
UK appliance energy labels: Great Britain and Northern Ireland
Check the label regime, model information and consumption units before applying a UK electricity tariff, especially for tumble dryers.
- LABEL GUIDE · EU
Reading a fridge or freezer energy label
Find annual kWh, check chilled and frozen storage capacity, and turn a fridge label into an estimate using your own electricity tariff.
- LABEL GUIDE · EU
Dishwasher energy labels: kWh, water and cycle time
Read dishwasher kWh per 100 eco cycles, litres per cycle, place settings and duration using a documented label, then estimate running cost.
- LABEL GUIDE · EU
The EU tumble-dryer label introduced in 2025
Use energy per 100 eco drying cycles on the EU A–G label, distinguish older annual figures, and check the separate UK position.
- LABEL GUIDE · EU
Washer-dryer labels: washing only versus a complete cycle
Choose the correct side of a combined washer-dryer label and avoid double-counting washing energy when estimating wash-and-dry costs.
- LABEL GUIDE · EU
EPREL lookup: check an appliance model and energy label
Use an EU label QR code or EPREL model search to find product information, verify energy units and build a compatible appliance comparison.
- PRACTICAL GUIDE · ALL MARKETS
Electricity price per kWh: which bill rate to use
Find your electricity unit rate, combine applicable supply and delivery charges, and separate fixed fees from appliance running costs.
- PRACTICAL GUIDE · ALL MARKETS
Pence, cents and price per kWh: avoiding a 100-fold error
Convert tariff prices into pounds, dollars or euros per kWh, keep consumption units separate, and check a result with simple arithmetic.
- PRACTICAL GUIDE · ALL MARKETS
How to measure appliance electricity use in kWh
Capture appliance kWh, completed cycles and conditions in a device-local journal or printable record, then estimate costs without overstating a short sample.
- PRACTICAL GUIDE · ALL MARKETS
Time-of-use appliance costs: energy shares and tariff break-even
Price energy across tariff windows, include fixed charges in a whole-home comparison, and calculate the off-peak share needed for an illustrative plan to win.
- PRACTICAL GUIDE · ALL MARKETS
How much does a fridge cost per day or per month?
Convert annual fridge consumption into daily and monthly cost averages, distinguish averages from measurements, and avoid rated-watt shortcuts.
- PRACTICAL GUIDE · ALL MARKETS
Replacing an old fridge: estimate savings against keeping it
Use a documented replacement energy figure, an explicit current-fridge baseline and net upfront costs to compare keeping with replacing.
- PRACTICAL GUIDE · ALL MARKETS
Comparing fridge and freezer sizes without losing sight of running cost
Compare chilled and frozen capacity, annual household energy and purchase prices, rather than choosing by efficiency class alone.
- PRACTICAL GUIDE · ALL MARKETS
Washing-machine electricity cost per load
Calculate a documented 9 kg eco wash at your electricity price, compare weekly routines and keep water, other programmes and drying tasks separate.
- PRACTICAL GUIDE · ALL MARKETS
Why eco programmes take longer but can use less electricity
Understand why cycle duration does not determine electricity cost, compare complete-programme kWh, and calculate a mixed weekly routine.
- PRACTICAL GUIDE · UK
Heat-pump dryer running costs and purchase-price payback
Price two documented 9 kg heat-pump dryers, compare their dated manufacturer prices and see when a small electricity saving cannot recover a higher purchase cost.
- PRACTICAL GUIDE · ALL MARKETS
Dishwasher electricity cost per cycle and per year
Calculate a documented eco dishwasher cycle at your tariff, apply your weekly routine, and separate electricity from water and detergent.
- PRACTICAL GUIDE · ALL MARKETS
Comparing two appliances on compatible electricity inputs
Normalize annual, per-cycle and per-100-cycle figures, apply one household routine, and separate running-cost savings from purchase cost.
- PRACTICAL GUIDE · ALL MARKETS
Replacement payback: what the calculation means and leaves out
Calculate simple electricity-savings payback, include confirmed replacement costs, and distinguish a payback period from a purchase recommendation.
- PRACTICAL GUIDE · ALL MARKETS
Appliance purchase price and electricity cost over time
Compare appliance purchase prices and electricity over five or ten years, calculate a break-even tariff, and keep other ownership costs explicit.
- PRACTICAL GUIDE · ALL MARKETS
How to calculate electricity cost from watts and hours
Convert appliance input watts and use time into kWh and electricity cost, with worked examples and a measured-energy option for cycling appliances.
- PRACTICAL GUIDE · ALL MARKETS
Which appliances add most to your electricity bill?
Build a household appliance-cost ranking from energy and use frequency, rather than assuming the highest wattage always creates the largest bill.
- PRACTICAL GUIDE · ALL MARKETS
How much does a 1500 W electric heater cost to run?
Calculate a 1500 W heater’s hourly, daily and seasonal electricity costs using your tariff, with a clear distinction between full-power and thermostat-controlled use.
- PRACTICAL GUIDE · ALL MARKETS
Oil-filled radiator vs fan heater: which costs less to run?
Compare oil-filled and fan heaters using equal electrical input, heating conditions and measured energy, without treating retained warmth as free electricity.
- PRACTICAL GUIDE · ALL MARKETS
How much does a dehumidifier cost to run for 24 hours?
Work out a dehumidifier’s 24-hour electricity cost and distinguish continuous full-input estimates from measured use with humidistat cycling.
- PRACTICAL GUIDE · ALL MARKETS
Compressor vs desiccant dehumidifiers: compare running costs
Compare dehumidifier energy costs in the conditions where you will use it, and understand why watts, water removal and litres per kWh answer different questions.
- PRACTICAL GUIDE · ALL MARKETS
Portable and window AC running costs: per hour and month
Estimate portable or window air-conditioner electricity costs from input watts or measured energy, using your own daily hours, cooling days and tariff.
- PRACTICAL GUIDE · ALL MARKETS
Fan vs air conditioner: running cost and what each does
Compare illustrative fan and air-conditioner electricity costs while separating airflow for comfort from the energy needed to remove heat from a room.
- PRACTICAL GUIDE · ALL MARKETS
BTU/h vs watts: which AC figure belongs in a cost calculator?
Separate air-conditioner cooling capacity, electrical input, efficiency metrics and accumulated kWh before estimating the electricity bill.
- LABEL GUIDE · EU
EU air-conditioner energy labels: SEER, SCOP and kWh
Read EU air-conditioner cooling and heating information, distinguish SEER and SCOP from consumption, and price the correct annual or hourly energy figure.
- PRACTICAL GUIDE · ALL MARKETS
Air fryer vs electric oven: compare cost for the same meal
Compare air-fryer and oven electricity for equal portions, including preheating and multiple batches, with a measured whole-meal option and worked example.
- PRACTICAL GUIDE · ALL MARKETS
Microwave running cost: use input watts, not cooking watts
Find the electrical consumption figure for microwave costs, distinguish it from advertised cooking output, and calculate a short session without overstating precision.
- PRACTICAL GUIDE · US
US appliance running costs: from EnergyGuide to a household decision
Follow a US workflow for annual kWh, dollars per kWh, washer energy boundaries, household totals, tariff comparison and replacement payback.
- PRACTICAL GUIDE · EU · UK
UK and EU appliance running costs: label, programme and tariff
Follow a GBP or EUR workflow using the correct GB, NI or EU label, annual and cycle units, household routines and purchase or replacement comparisons.
- PRACTICAL GUIDE · EU
EU appliance running costs: energy labels, tariffs and buying costs
Use an EU product sheet and your own electricity tariff to price appliance energy, compare two documented 9 kg dryers and test purchase-price payback.
- PRACTICAL GUIDE · US
Measured dryer costs: a US household case study
Explore a published household dryer measurement, calculate electricity costs and replacement payback, and keep observed energy separate from annual projections.
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