Trip Cost Calculator
Bus, train, plane, ship or car — full trip cost with passengers and extras.
Free · Fast · Private
Smart Cost Calculators
for Everyday Use
Trip cost (bus, train, plane, ship), EMI loan, BD electricity bills, income tax 2025-26, internet bills, fuel cost, mileage, and salary — all in one place. Instant and free.
EMI Loan Calculator
Monthly instalment, total interest and amortization for any loan worldwide.
Electricity Bill Calculator BD
Accurate Bangladesh electricity bill using 2024 BPDB slab rates.
Income Tax Calculator BD
NBR 2025-26 slabs, exemptions, rebate, minimum tax, and AIT for Bangladesh taxpayers.
Internet Bill Calculator BD
All major BD ISP plans with 15% VAT and per-device cost breakdown.
Fuel Cost Calculator
Estimate fuel expense from price, distance, and mileage.
Mileage Calculator
Find vehicle mileage from distance covered and fuel used.
Salary Calculator
Quickly estimate monthly and yearly salary after deductions.
Why CostNest?
Built for speed, privacy, and simplicity.
Instant Results
All calculations happen in your browser — zero loading, zero waiting.
Completely Private
No data leaves your device. No login, no cookies, no tracking.
Works Everywhere
Optimised for mobile and desktop. Use it on the go.
About CostNest Calculators
CostNest is a lightweight calculator hub designed to save you time on everyday cost estimates. Whether you are planning a road trip by bus, train, plane, ship, or car — calculating your EMI for a home or car loan — estimating your Bangladesh electricity bill with 2024 BPDB slab rates — figuring out your income tax for 2025-26 using NBR slabs — checking your internet bill with VAT — or calculating your net salary after deductions — CostNest gives you a clean, fast answer with no friction.
Every calculator on CostNest runs entirely in your browser using client-side JavaScript. Your inputs are never sent to a server, never stored, and never shared. This means you get instant results and complete privacy, every time. No sign up. No waiting.