TekHāra Labs
Free · No sign-up · Always accurate

Precision tools for the way you think.

Free calculators for finance, health, and everyday decisions. No clutter, no ads, no friction. Just the answer you need.

89+

Calculators

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Popular tools

Featured Calculators

🏦

Loan EMI Calculator

Calculate your monthly EMI, total interest, and total payment for any loan.

Finance
📈

Compound Interest Calculator

See how your money grows over time with the power of compounding.

Finance
💹

SIP Returns Calculator

Estimate the maturity value of your systematic monthly investments.

Finance
🏦

PPF Calculator

Calculate your Public Provident Fund maturity amount and total interest earned.

Finance
🏠

Home Loan Eligibility Calculator

Find out the maximum home loan you can get based on your income, EMIs, and bank FOIR norms.

Finance
🌴

Retirement Planning Calculator

Calculate how much corpus you need to retire and the monthly SIP required to get there.

Finance
🏛️

EPF Calculator

Calculate your EPF maturity corpus, employee & employer contributions, and interest growth.

Finance
📈

Step-Up SIP Calculator

See how annually increasing your SIP amount dramatically grows your wealth over time.

Finance
📊

Stock Profit & Loss Calculator

Calculate net profit/loss on stock trades after brokerage, STT, GST, and stamp duty.

Finance
🧮

Income Tax Calculator

Compare tax under Old and New Regime for FY 2024-25 and find which saves you more.

Tax
📈

Capital Gains Tax Calculator

Calculate STCG and LTCG tax on equity, debt, and property using post-Budget 2024 rates.

Tax
⚖️

BMI Calculator

Calculate your Body Mass Index and understand what the number means.

Health
🍽️

Tip Calculator

Calculate tip, total bill, and split the amount among friends effortlessly.

Math
💼

Profit Margin Calculator

Calculate gross profit, profit margin %, and markup % from revenue and cost.

Business
⚖️

Break-Even Calculator

Find the number of units you need to sell to cover all your fixed and variable costs.

Business
💰

Salary Calculator (CTC to In-hand)

Convert your annual CTC to monthly in-hand salary after PF and income tax deductions.

Business
🔄

Unit Converter

Convert length, weight, volume, area, speed, and temperature between metric and imperial units.

Converter
🎯

Savings Goal Calculator

Find out how much you need to save monthly to reach any financial goal.

Finance
🏡

Rent vs Buy Calculator

Decide whether renting or buying a home makes more financial sense for you.

Finance
🧮

Section 80C Tax Saving Planner

Plan your 80C investments and see total deductions across 80C, 80D, NPS, and home loan.

Tax
📜

Stamp Duty & Registration Calculator

Calculate stamp duty and registration charges for property purchase across all Indian states.

Real Estate
🏘️

Rental Yield Calculator

Calculate gross and net rental yield to evaluate the income potential of any property.

Real Estate
🏠

Home Affordability Calculator

Find out the maximum property price you can afford based on income, EMIs, and down payment.

Real Estate
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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.

Read the full story →