All Sri Lanka Calculators
Every tool on HariTools, grouped by what it is for. All of them are free, work in your browser, and are built around Sri Lankan rates, rules, and currency.
40 free tools
Finance Tools
FinancePlan your salary, loans, savings and major purchases in LKR.
Sri Lanka Bank & Branch Finder
Find bank and branch codes by name, town or code, and browse branches by bank.
Income Tax (APIT) Calculator
Estimate monthly APIT, employee EPF, and take-home salary.
Loan / EMI Calculator
Work out monthly instalments and total interest on a loan in LKR.
Cost to Company (CTC)
Estimate payroll cost including employer EPF and ETF contributions.
Freelancer Hourly Rate
Find an hourly rate that covers your income target and expenses.
Vehicle Lease EMI Calculator
Calculate your monthly vehicle lease installments, total interest, and loan-to-value ratio for Sri Lankan banks and finance companies.
Loan Eligibility (DBR)
Model monthly repayment room under your own DBR and liability assumptions.
EPF & ETF Calculator
Estimate EPF and ETF contributions, returns, and a retirement balance.
Fixed Deposit Calculator
Estimate FD interest, monthly income or maturity value using your bank's rate.
Gratuity Calculator
Estimate gratuity under the Payment of Gratuity Act for both salaried and daily-rated employees.
Housing Loan Calculator
Estimate a home loan EMI and the cash needed upfront, including an example transfer duty.
Hire Purchase Calculator
Work out hire purchase instalments and the reducing-balance rate a flat quote really equals.
Government Pension Estimate
Estimate monthly pension from your official salary and pension percentage.
Import Cost Calculator
Calculate CIF and the full cascade of Sri Lankan import levies to a landed cost.
Student Tools
StudentGPA, exam, attendance and university admission tools for Sri Lanka.
Final Exam Target
Calculate exactly what you need to score on your final exam to achieve an A, B, or pass the module based on your assignment and mid-term marks.
Attendance Tracker
Track attendance against the target in your faculty handbook and see how many sessions you can miss or need to attend.
Target GPA Estimator
Estimate the GPA average needed across your remaining university credits.
GPA Calculator Sri Lanka
Calculate semester and cumulative GPA with credits on a 4.0 scale.
A/L Z-Score
Explore how subject marks and statistics affect an estimated A/L Z-score.
O/L Results Checker
Enter O/L grades to count passes and credits and review common A/L entry checks.
IGCSE Grade Converter
Convert between the 9-1 and A*-G IGCSE grade scales and tally a mixed set of results.
University Cut-offs
Check your Z-score against the UGC cut-off table for every course and district.
Health Tools
HealthBMI and daily health or fitness tools.
Pregnancy Due Date
Calculate your Estimated Due Date (EDD) and track your pregnancy timeline.
Ovulation Calculator
Estimate a likely fertile window and ovulation date.
Age & Date Difference
Calculate exact age in years, months, and days.
Asian BMI & Ideal Weight
Check your Body Mass Index against WHO Asian thresholds.
BMR & Calorie Needs
Find your BMR, daily maintenance calories, and a target for losing or gaining weight.
Blood Donation Date
Find when you can next give blood under the NBTS four-month interval and donor criteria.
Business Tools
BusinessPractical tools for Sri Lankan SMEs, freelancers, and businesses.
Income Tax (APIT) Calculator
Estimate monthly APIT, employee EPF, and take-home salary.
VAT & SSCL Invoice
Calculate Sri Lankan VAT and SSCL cascading taxes.
Cost to Company (CTC)
Estimate payroll cost including employer EPF and ETF contributions.
Freelancer Hourly Rate
Find an hourly rate that covers your income target and expenses.
Retail Margin & Discount
Calculate retail price, margin, markup, and discount scenarios.
EPF & ETF Calculator
Estimate EPF and ETF contributions, returns, and a retirement balance.
Gratuity Calculator
Estimate gratuity under the Payment of Gratuity Act for both salaried and daily-rated employees.
Hire Purchase Calculator
Work out hire purchase instalments and the reducing-balance rate a flat quote really equals.
Break-Even Calculator
Find the units and revenue needed to cover fixed costs, and your margin of safety.
Import Cost Calculator
Calculate CIF and the full cascade of Sri Lankan import levies to a landed cost.
Everyday Tools
EverydaySri 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.