🧮 All Online Calculators (Compact View)

Age Calculator

Find exact age in years, months, days.

Time Duration Calculator

Difference between two dates/times.

Time Zone Converter

Convert between time zones.

Days Between Dates

Count days between two dates.

Week Number Calculator

Find week number of a date.

Event Countdown Timer

Countdown to a future event.

SIP Calculator

Returns on SIP investment.

EMI Calculator

Monthly EMI for loans.

Loan Eligibility Calculator

Check loan eligibility.

Interest Calculator

Simple & compound interest.

Retirement Calculator

Plan your retirement savings.

Gratuity Calculator

Calculate gratuity benefits.

NPS Return Calculator

Estimate returns from NPS.

Tax Calculator

Calculate income tax.

Salary After Tax

Net salary after deductions.

BMI Calculator

Body Mass Index checker.

BMR Calculator

Daily calorie need at rest.

Calorie Calculator

Estimate daily calorie needs.

Heart Rate Calculator

Target heart rate zones.

Body Fat Calculator

Estimate your body fat %

Ideal Weight Calculator

Healthy weight range.

Pregnancy Due Date Calculator

Estimate your due date.

Ovulation Calculator

Find fertile window.

Period Tracker

Track menstrual cycle.

Water Intake Calculator

Daily hydration goal.

Unit Converter

Convert units: length, mass, etc.

Fraction Calculator

Simplify or calculate fractions.

Percentage Calculator

Find % of values.

Base Converter

Convert binary, octal, decimal.

Scientific Calculator

Basic + scientific functions.

Profit Margin Calculator

Calculate net margin & profit.

Markup Calculator

Set price using markup % .

Discount Calculator

Get final price after discount.

Break‑even Point Calculator

Find break‑even sales volume.

Sales Tax Calculator

Calculate tax and final price.

Product Price Estimator

Estimate selling price with margin & tax.

Paint Calculator

Litres of paint needed for area.

Tile Calculator

Tiles & boxes needed for floor.

Fuel Cost Calculator

Estimate trip fuel cost.

House Construction Cost

Material & cost estimate.

Cooking Conversion Converter

Convert cooking units by ingredient.

Concrete Volume Calculator

Concrete needed for slab/beam.

Rebar Calculator

Weight & qty of rebars needed.

Electrical Load Calculator

Total energy use & cost.

Cable Size Calculator

Select cable size & mm².

Voltage Drop Calculator

Estimate voltage drop & % .

HVAC BTU Calculator

Room heating/cooling BTU.

Byte Converter

Convert between bit, byte, KB, MB, etc.

IP Subnet Calculator

Network, broadcast & usable IPs.

Hash Generator

Generate MD5, SHA‑1, SHA‑256 from text.

Binary Converter

Convert decimal ↔ binary ↔ hex.

UUID Generator

Generate RFC‑4122 UUIDs.

Regex Tester

Test regular expressions inline.