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Welcome to Muniblogs’ free calculator suite — built specifically for Indian homes and buyers. Stop guessing and make confident, data-backed decisions on your home appliances, energy usage, and finances. All calculators are free, require no sign-up, and work instantly on any device.

Free Calculators for Indian Homes

14 free tools, grouped by the decision you’re trying to make.

Showing all 14 tools

No tool matches “” yet. Try “AC”, “bill” or “water”, or ask us to build it.

AC & power calculators

Size the AC and the stabilizer that protects it.

  • Find the right AC size for your room from its area, floor, sun exposure and the people in it. Avoid buying an undersized or oversized AC.

    Sample answer1.5 tonfor a 140 sq ft bedroom, 2 people

  • Get the correct kVA for your AC, fridge, TV or whole home, with a 25% safety margin so it doesn't trip on start-up surges.

    Sample answer3 kVAfor 1,800 W of appliances

Electricity bill & savings

Know the running cost before it shows up on your bill.

  • See what any appliance costs to run per day, month and year. Enter its wattage, daily hours and your ₹/unit tariff.

    Sample answer₹2,880 a month1,500 W, 8 hours a day, ₹8 per unit

  • Put two models side by side and see how much a higher BEE star rating really saves, and how quickly it pays back the extra price.

    Sample answer5 monthsto recover ₹3,000 extra on a 5-star over a 3-star

Kitchen & water

Chimney, fridge, washing machine and purifier sizing.

  • Find the chimney suction power (m³/hr) and hood width your kitchen needs, based on its size, burner count and cooking style.

    Sample answer1,200 m³/hrsuction to look for in a typical Indian kitchen

  • Find the right refrigerator size in litres and washing machine size in kg for the number of people at home.

    Sample answer250–350 L + 8 kgfor a family of 4

  • Enter your water's TDS and source (municipal, borewell or tanker) to see whether you need RO, UV or UF, and avoid overspending.

    Sample answerRO + UVfor 350 ppm TDS water

Plan, budget & pay

Decide what to buy, how much to spend and how to pay.

  • Answer two quick questions and get a straight recommendation for your budget, plus the buying guides worth reading next.

    Sample answer2 questionsto a budget-aware recommendation

  • Moving into a new place? Enter your total budget and see a suggested split across every appliance you need. Adjust it to your priorities.

    Sample answer₹42,000 for the ACfrom a ₹1,50,000 budget split across 7 appliances

  • Work out the monthly EMI, total interest and real cost of buying on instalments, and check whether a “no-cost EMI” offer really costs nothing.

    Sample answer₹3,215 a monthon a ₹36,000 loan

  • Pick an appliance and get a printable checklist of everything to verify in the showroom or on delivery, before you pay.

    Sample answer8 checklistsprint or save as PDF

    Email to unlock

Save, track & share

Your wishlist, warranty reminders and deal tips.

  • Save your appliances and get an email before the warranty runs out or servicing is due, from AC service to RO filter changes.

    Sample answerEmail reminderbefore a warranty ends or service is due

    Uses your email
  • Deals you save with the heart button wait here so you can compare them later. No sign-up needed.

    Sample answerOn this devicesaved in your browser, not an account

  • Spotted a great appliance price? Send it in. Every deal is checked by us before it goes live for other readers.

    Sample answer1 minuteto send it in; reviewed before it's published

Buying something big? Use them in this order

Three common purchases, with the tools that answer each question along the way.

Why Use Muniblogs Calculators?

  • India-specificCalibrated for Indian climate zones, electricity tariffs, and product categories available in India.
  • Free, alwaysNo registration and no paywalls. The calculators never ask for your details.
  • Honest estimatesBuilt around BEE star ratings, BIS water limits and Indian tariffs. A strong starting point; confirm big purchases with your dealer or technician.
  • Mobile-friendlyWorks perfectly on smartphones so you can use them while shopping in-store.

Need a tool we haven’t built yet?

More calculators are being added regularly. Have a request? Let us know what tool would help you most.

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