Looking for a calculator to embed on your site? Our 38 home-focused calculators (bedding budget, cat feeding ration, radiator power, rug size, appliance running cost…) are available as a free iframe, with no signup. Everything is computed in the visitor’s browser: no personal data is sent, no cookie is set, nothing to install.
- Pick a calculator below and click “Copy code”.
- Paste the snippet into an HTML block on your page (article, resource page, buying guide).
- Keep the attribution link under the iframe: it is the only requirement.
Free, no signup, no data collected. The attribution link is included: please keep it.
Pets
Dog kibble ration & budget calculator
Calculate the recommended daily ration and the monthly/yearly cost of kibble based on weight, activity and…
Annual cost of a pet
Estimate the yearly cost (food, care, accessories) of a cat or a dog based on its…
Which cage or aquarium size?
Find the recommended minimum cage dimensions (rodents, birds) or the aquarium volume for your pets.
Yearly cost of a cat
Estimate the yearly budget for a cat based on food, litter and lifestyle.
Cat litter consumption
Estimate how much litter you use and its yearly cost, based on the number of cats…
How much should I feed my cat?
Work out your cat’s daily ration from its weight, activity level and type of food.
Cat Fountain Filter Cost Calculator
Estimate the annual filter budget based on the number of cats, filter type, and lifespan.
Home linen
What GSM for your sheets?
Choose the right weight (g/m2) for your sheets based on season, use and feel.
Which duvet size should you choose?
Find the right duvet size for your bed width and the number of sleepers.
Bath towel weight and quantity
Pick a suitable towel weight and estimate how many bath towels your household needs.
Bedding
Bedding budget simulator
Estimate the budget for a complete bedding set (mattress, base, bed linen) based on your configuration.
Decor & storage
How much paint do you need?
Estimate the amount of paint needed for a room (walls and ceiling) based on the area…
How much storage do you need?
Estimate the linear metres of wardrobe or the storage volume needed based on your household and…
What rug size should I choose
Find rug dimensions that fit your sofa and your room.
Room-by-room decor budget estimator
Estimate the budget needed to decorate a room based on its surface area, the range level…
Wallpaper roll calculator
Work out how many wallpaper rolls you need from the total wall length, ceiling height, doors…
How many tiles do you need?
Work out the number of tiles from the area to cover, the tile size and the…
Gardening & plants
Vegetable garden size calculator
Calculate the recommended vegetable garden area for your family and needs.
Watering calculator
Estimate the frequency and volume of water needed for your plants.
Vegetable sowing calendar
Find the sowing periods (under cover / outdoors) and harvest time for your vegetable, according to…
Potting soil needed for a pot
Work out how much potting soil your pots need and how many bags to buy.
How many plants for my balcony
Estimate how many pots and planters suit the size of your balcony.
Sustainable home
Annual electricity cost of an appliance
Estimate the annual power consumption and cost of an appliance (washing machine, fridge, heater...) based on…
Waste reduction simulator
Estimate the waste volume avoided and your yearly savings based on your habits.
Savings with LED bulbs
Estimate the energy and money you save by replacing your traditional bulbs with LEDs, based on…
Payback of replacing an appliance
Estimate the energy saved by switching to a more efficient appliance and how long it takes…
Household water footprint
Estimate your household's daily water use (showers, laundry, dishes, baseline) per person.
Solar panel simulator: output and savings
Estimate your annual solar output, the share you use yourself and the saving on your electricity…
What radiator power do you need?
Work out the heating power a room needs from its floor area, ceiling height, insulation and…
Cleaning & care
Natural cleaning dilution calculator
Find the right dilution of vinegar, baking soda or black soap for your use.
Weekly cleaning schedule
Estimate the recommended weekly cleaning time and the split by area based on floor space, people…
Laundry detergent use and yearly cost
Estimate how much detergent your household uses and what it costs over a year.
Appliances
Annual cost of household appliances
Estimate the annual electricity consumption and cost of your main appliances (fridge, washing machine, dryer, dishwasher,…
Savings by upgrading energy class
How much do you save by moving from one energy class appliance to a more efficient…
Which washing machine capacity?
Find the ideal drum capacity (in kg) for your household and washing habits.
Standby power cost
Estimate the yearly consumption and cost of appliances left on standby (TV, router, console, chargers...).
Which fridge size?
Estimate the refrigerator volume (in litres) suited to your household and shopping habits.
What air conditioner size (BTU)?
Estimate the cooling capacity you need in BTU from the room area, sun exposure, insulation and…
Home
Table & tablecloth size
Calculate the right table size for your guests and the recommended tablecloth size.
Frequently asked questions
Is it really free?
Yes. The calculators are free to embed, with no account, no API key and no view limit. The only condition is keeping the attribution link below the iframe.
Does the widget set cookies?
No. The calculation runs entirely in JavaScript in the browser. The iframe drops no advertising cookie or tracker, which keeps your GDPR compliance simple.
Is the code responsive?
Yes: the iframe is width 100% with a height of 620 px, which covers phones and wide screens. You can change the height if your layout needs it.
Can I change the colours?
The iframe keeps its own styling to stay legible and consistent. For a specific need (theme, language, size), contact us: simple adaptations are considered.