Calculators

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.

Calorie & Macro Calculator

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

Loan EMI Calculator

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

Compound Interest Calculator

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

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.

FD Calculator

Calculate fixed deposit maturity amount and interest with compound interest.

Salary Calculator

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

Percentage Calculator

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

Average Calculator

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

Ratio Calculator

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

Tip Calculator

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

Discount Calculator

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

Sales Tax Calculator

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

Hourly Wage Calculator

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

Fuel Cost Calculator

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

GST Calculator

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

VAT Calculator

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

Profit Margin Calculator

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

Break-Even Calculator

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

Crop Yield Calculator

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

Fertilizer Calculator

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

Seed Rate Calculator

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

Plant Population Calculator

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

Irrigation Water Calculator

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

GPA Calculator

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

CGPA Calculator

Calculate cumulative GPA from semester GPAs and optional credit totals.

Exam Percentage Calculator

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

GPA ↔ Percentage Converter

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

Marks Needed Calculator

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