Free online calculators for every need
Quick, accurate and easy-to-use calculators for finance, math, health, construction, education and more.
Popular calculators
View allPercentage Calculator
Calculate percentages, percentage change, and adding or subtracting a percentage from a value.
Most usedAge Calculator
Calculate exact age, total elapsed time, next birthday countdown, and birth day of week from date inputs.
PopularBMI Calculator
Calculate adult BMI in metric or imperial units, compare international and South Asian screening ranges, and estimate a healthy weight range.
PopularEMI Calculator
Calculate monthly EMI, total interest, total payment, processing fee, total cost, and amortization summary.
Most usedGST Calculator
Add or remove GST in India using current-rate presets and show the applicable CGST plus SGST/UTGST or IGST invoice breakdown.
PopularRecently added calculators
View allIncome Tax Calculator India
Estimate Indian income tax and compare the new and old regimes with deductions, rebate, surcharge, cess, and slab-wise steps.
Capital Gains Tax Calculator India
Estimate Indian short- or long-term capital gains tax for equity, property and other assets, including equity exemption and property indexation comparison.
TDS Calculator India
Estimate tax deducted at source for common resident payments using current Indian rates, thresholds, PAN treatment, and section references.
Time Duration Calculator
Calculate elapsed time using 24-hour inputs or hour, minute, and AM/PM controls, including break minutes and overnight spans.
105+
Calculators
10
Categories
Clear
Worked formulas
Accessible
Mobile-friendly UI