Everyday Tools
Sri Lanka reference tools, dates, bills and everyday calculations.
Sri Lanka Bank & Branch Finder
Find bank and branch codes by name, town or code, and browse branches by bank.
Administrative Division Finder
Find GN codes, DS Divisions and their district and province.
Sri Lanka Postal Code Finder
Find postal codes by city, town or post office in English, Sinhala or Tamil.
Electricity Bill (PUCSL)
Calculate CEB/LECO bills with updated PUCSL block tariffs.
Age & Date Difference
Calculate exact age in years, months, and days.
Fuel Cost & Road Trip Split
Calculate fuel costs and split it among passengers.
Percentage Calculator
Find percentages, proportions, increases, and decreases instantly.
Tip & Bill Split
Add a tip or service charge and split a bill between friends.
Unit Converter
Convert common length, weight, and temperature measurements.
NIC Decoder
Read the date of birth, age, and gender out of a Sri Lankan NIC, and convert between the old and new formats.
Holidays & Poya Days
Every public holiday and Poya day in 2027, with a countdown to the next one and the year's long weekends.
Everyday calculators and Sri Lanka reference tools
Find a postal code for an address, a GN Division's district and province, or the bank and branch codes needed for a form. These Sri Lanka reference tools let you search by name and check the matching details.
Solve common percentage, conversion, date, bill-splitting, fuel, and household calculations without a spreadsheet. Each tool focuses on one repeatable task and shows the inputs behind the result.
For regulated household costs such as electricity, the calculator page also shows the effective date, method, official source, and limits of the estimate.
Choose the right everyday tool
- Sri Lanka Bank & Branch FinderSearch bank or branch names, try a town name, and copy bank and branch codes.
- Sri Lanka Administrative Division FinderExplore provinces, districts, DS Divisions and GN Divisions by name or hierarchy.
- Sri Lanka Postal Code FinderSearch a city, town or post office, or look up a five-digit postal code.
- Calculate percentages and percentage changeFind a percentage of an amount, reverse a percentage, or compare a change.
- Convert common measurementsConvert length, weight, and temperature with familiar units.
- Find an exact age or date differenceCalculate years, months, and days between two calendar dates.
- Estimate a domestic electricity billApply current PUCSL blocks and fixed charges to a 30-day usage estimate.
Getting a result you can reproduce
Check units before entering a value and keep the same rounding convention when comparing results. For shared costs, agree whether service charges, tips, discounts, or return-trip distance should be included before dividing the total.
Regulated household costs such as electricity need more context than basic arithmetic. Review the effective date, billing-period assumption, and official source shown on the calculator page before comparing an estimate with an issued bill.
Related everyday guides
- Perches, Roods and Acres: Sri Lankan Land Units ExplainedHow to read Sri Lankan land measurements: what a perch is in square feet, how acre-rood-perch notation on a deed works, and how to compare plots fairly.
- CEB Electricity Tariff 2026 - Unit Rates and Bill ExamplesSri Lanka's PUCSL domestic electricity tariff effective 11 May 2026: current CEB and LECO unit rates, fixed charges, and worked bills from 30 to 200 units.