Smart Multi Calculator Hub

Calculate monthly loan EMI payments based on principal, rate, and tenure.

Find monthly payments, total interest, and total cost of any loan.

Calculate simple or compound interest on an investment.

Estimate SIP maturity amount and gains over time.

Calculate return on investment as a percentage gain or loss.

Add or remove GST from any amount at various rates.

Estimate income tax using US or India tax slabs.

Convert between 15+ major world currencies using reference rates.

Calculate net take-home pay after tax and deductions.

Find savings and final price given a discount percentage.

Find what X% of Y is, or what percentage X is of Y.

Full scientific calculator with trig, log, sqrt, powers. Supports keyboard input.

Calculate exact age in years, months, and days from a date of birth.

Calculate mean, median, mode, and range for a set of numbers.

Solve for the missing value in a proportion (A:B = C:D).

Add, subtract, multiply, or divide two fractions with simplification.

Find real and complex roots of ax² + bx + c = 0.

Solve for the missing value in speed, distance, and time problems.

Calculate powers (bⁿ) and roots (n√b) of any numbers.

Convert between mm, cm, m, km, inches, feet, yards, and miles.

Convert between mg, g, kg, lb, oz, stone, and metric ton.

Convert between Celsius, Fahrenheit, and Kelvin.

Convert between square units including acres and hectares.

Convert between mL, L, gallons, cups, fluid ounces, pints, and quarts.

Convert between bits, bytes, KB, MB, GB, TB, and PB.

Convert between seconds, minutes, hours, days, weeks, months, and years.

Calculate Body Mass Index and health category.

Calculate daily calorie needs (TDEE) using the Mifflin-St Jeor formula.

Calculate daily water intake based on weight, activity, and climate.

Estimate body fat percentage using the US Navy measurement method.

Calculate estimated due date and current pregnancy week from LMP.

Calculate maximum heart rate and training zones by age.

Calculate gross profit and margin percentage from revenue and cost.

Find break-even units and revenue given fixed and variable costs.

Calculate selling price and gross margin from cost and markup %.

Calculate commission earned on any sale amount and rate.

Build a multi-line invoice with tax to get subtotal and grand total.

Calculate net profit, margin, ROAS and break-even for any online product sale.

Calculate gold value based on weight, karat purity, and price per gram.

Calculate silver value based on weight, purity, and market price.

Calculate the weight of steel flat bars, round bars, and sheets.

Calculate weight of aluminum, copper, brass, iron, titanium, and more.

Calculate copper scrap value based on weight, grade, and price per kg.