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Featured Calculators
Loan EMI Calculator
Calculate your monthly EMI, total interest, and total payment for any loan.
Compound Interest Calculator
See how your money grows over time with the power of compounding.
SIP Returns Calculator
Estimate the maturity value of your systematic monthly investments.
PPF Calculator
Calculate your Public Provident Fund maturity amount and total interest earned.
Home Loan Eligibility Calculator
Find out the maximum home loan you can get based on your income, EMIs, and bank FOIR norms.
Retirement Planning Calculator
Calculate how much corpus you need to retire and the monthly SIP required to get there.
EPF Calculator
Calculate your EPF maturity corpus, employee & employer contributions, and interest growth.
Step-Up SIP Calculator
See how annually increasing your SIP amount dramatically grows your wealth over time.
Stock Profit & Loss Calculator
Calculate net profit/loss on stock trades after brokerage, STT, GST, and stamp duty.
Income Tax Calculator
Compare tax under Old and New Regime for FY 2024-25 and find which saves you more.
Capital Gains Tax Calculator
Calculate STCG and LTCG tax on equity, debt, and property using post-Budget 2024 rates.
BMI Calculator
Calculate your Body Mass Index and understand what the number means.
Tip Calculator
Calculate tip, total bill, and split the amount among friends effortlessly.
Profit Margin Calculator
Calculate gross profit, profit margin %, and markup % from revenue and cost.
Break-Even Calculator
Find the number of units you need to sell to cover all your fixed and variable costs.
Salary Calculator (CTC to In-hand)
Convert your annual CTC to monthly in-hand salary after PF and income tax deductions.
Unit Converter
Convert length, weight, volume, area, speed, and temperature between metric and imperial units.
Savings Goal Calculator
Find out how much you need to save monthly to reach any financial goal.
Rent vs Buy Calculator
Decide whether renting or buying a home makes more financial sense for you.
Section 80C Tax Saving Planner
Plan your 80C investments and see total deductions across 80C, 80D, NPS, and home loan.
Stamp Duty & Registration Calculator
Calculate stamp duty and registration charges for property purchase across all Indian states.
Rental Yield Calculator
Calculate gross and net rental yield to evaluate the income potential of any property.
Home Affordability Calculator
Find out the maximum property price you can afford based on income, EMIs, and down payment.
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Explore by Topic
Finance
31 toolsEMI, SIP, FD, gold, savings goals, rent vs buy, retirement and more
Tax
7 toolsIncome tax, 80C planner, advance tax, TDS — FY 2025-26 rates
Health
15 toolsBMI, calories, protein, steps, ovulation, pregnancy due date
Business
9 toolsBreak-even, freelancer rate, employee cost, working capital
Math
16 toolsAverage, fractions, LCM/HCF, CGPA, binary converter and more
Converter
5 toolsUnit, currency, data storage, speed/distance/time, number to words
Real Estate
6 toolsStamp duty, rental yield, home affordability, property appreciation
About TekHāra Labs
Precision tools,
built for actual use.
TekHāra Labs is a growing collection of utility tools — starting with calculators for finance, health, and everyday decisions.
No dark patterns, no upsells, no data harvesting. Just tools that work.
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