The CalcKite blog: money, tax & travel
Plain-English guides that explain the numbers behind our calculators — with worked examples you can try yourself.
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RSS feedTech & TravelHow much mobile data do you need for a trip? (7, 14 and 30 days)Data use per hour for maps, social media, video and calls, plus ready-made estimates for light, moderate and heavy travellers.19 Oct 2026 · 2 min readLoans & MortgagesHow much house can I afford? The 28/36 rule with real numbersUse the 28/36 rule to find a safe home price for your income, with examples at $60k, $100k and $150k and the hidden costs to budget for.19 Oct 2026 · 2 min readTax & SalaryOld vs new tax regime (FY 2026-27): which saves you more?Slabs, worked examples at ₹10–30 lakh and the exact deductions you need before the old regime beats the new one.19 Oct 2026 · 4 min read
Loans & Mortgages
2 guidesLoans & MortgagesHow much house can I afford? The 28/36 rule with real numbersUse the 28/36 rule to find a safe home price for your income, with examples at $60k, $100k and $150k and the hidden costs to budget for.19 Oct 2026 · 2 min readLoans & MortgagesHow EMI is calculated — and 5 ways to pay less interestThe EMI formula in plain English, worked examples for personal and home loans, and how much prepayment really saves.19 Oct 2026 · 3 min read
Tax & Salary
2 guidesTax & SalaryOld vs new tax regime (FY 2026-27): which saves you more?Slabs, worked examples at ₹10–30 lakh and the exact deductions you need before the old regime beats the new one.19 Oct 2026 · 4 min readTax & SalaryCTC vs in-hand salary: why your take-home is lower (with examples)What goes into your CTC, what gets deducted each month, and how much a ₹6, 12, 18 or 25 lakh CTC really pays in hand.19 Oct 2026 · 3 min read
Tech & Travel
2 guidesTech & TravelHow much mobile data do you need for a trip? (7, 14 and 30 days)Data use per hour for maps, social media, video and calls, plus ready-made estimates for light, moderate and heavy travellers.19 Oct 2026 · 2 min readTech & TraveleSIM vs roaming vs local SIM: the cheapest way to stay online abroadHow travel eSIMs, roaming passes and local SIM cards compare on cost and convenience, plus a setup checklist so your eSIM works when you land.19 Oct 2026 · 2 min read