Math & Science

Average Calculator

Calculate the mean, sum, median, and range from a list of numbers.

BMI Calculator

Calculate Body Mass Index (BMI) from height and weight, and see the WHO adult category.

BMR Calculator

Estimate basal metabolic rate with Mifflin–St Jeor and see rough daily calorie needs by activity level.

Break-Even Calculator

Calculate the units and revenue needed to cover fixed and variable costs.

Calorie & Macro Calculator

Estimate daily calorie needs from BMR and activity, with a simple goal adjustment and macro split.

CGPA Calculator

Calculate cumulative GPA from semester GPAs and optional credit totals.

Compound Interest Calculator

Estimate future value and interest earned with compound interest for any principal, rate, term, and compounding frequency.

Crop Yield Calculator

Estimate total crop yield from field area and expected yield per hectare, acre, or square metre.

Discount Calculator

Calculate sale price and savings from an original price and discount percentage.

Loan EMI Calculator

Calculate equated monthly installment (EMI), total interest, and total payment for a fixed-rate loan.

Exam Percentage Calculator

Convert marks scored out of a total into a percentage, with a simple indicative grade band.

FD Calculator

Calculate fixed deposit maturity amount and interest with compound interest.

Fertilizer Calculator

Work out fertilizer quantity and bag count from field area and kg/ha application rate.

Fuel Cost Calculator

Estimate trip fuel cost from distance, mileage/efficiency, and price per litre.

GPA Calculator

Calculate a credit-weighted GPA from course grade points — works with 4.0 or 10-point scales.

GPA ↔ Percentage Converter

Approximate conversions between percentage marks and 10-point or 4.0 GPA scales.

GST Calculator

Add or extract GST from an amount at any tax rate — exclusive and inclusive modes supported.

Hourly Wage Calculator

Convert hourly pay to weekly, monthly, and annual income from your schedule.

Irrigation Water Calculator

Calculate irrigation water volume in m³ and litres from field area and depth in mm.

Love Compatibility Calculator

Premium love compatibility studio — scores, radar chart, couple type, nicknames, stories, date ideas, and a shareable result card. For entertainment only.

Marks Needed Calculator

Calculate the marks you still need on remaining exams to reach a target overall percentage.

Percentage Calculator

Calculate a percentage of any number, plus the value after adding or subtracting that percent.

Plant Population Calculator

Estimate plant count and density from field area, row spacing, and plant spacing.

Profit Margin Calculator

Calculate profit, profit margin percentage, and markup percentage from cost and revenue.

Ratio Calculator

Simplify ratios and scale either side while keeping the same proportion.

Salary Calculator

Convert CTC between monthly and annual and estimate take-home after deductions.

Sales Tax Calculator

Calculate sales tax and total price from a pre-tax amount and tax rate.

Seed Rate Calculator

Calculate seed quantity and optional cost from field area and kg/ha seed rate.

Simple Interest Calculator

Calculate simple interest and maturity amount from principal, annual rate, and time in years.

SIP Calculator

Estimate SIP maturity value, total invested amount, and gains from monthly investments and expected returns.

Tip Calculator

Calculate tip amount, total bill with tip, and per-person share for any tip percentage.

VAT Calculator

Calculate VAT on exclusive or inclusive prices — net, tax, and gross.