Calculators
A comprehensive suite of free online calculators. Solve complex math problems, calculate loans, investments, and more with precision.
HELOC Payment Calculator
Calculate monthly payments for Home Equity Line of Credit (Interest-Only & Repayment).
Electricity Calculator
Calculate energy consumption and electricity costs for appliances.
BMI Calculator
Calculate your Body Mass Index (BMI).
Tip Calculator
Calculate the tip amount and split the bill among friends easily.
Compound Interest Calculator
Calculate the future value of an investment with compound interest.
Salary Calculator
Convert your salary between hourly, weekly, monthly, and yearly rates.
Sales Tax Calculator
Calculate sales tax and the total price of an item.
VAT Calculator
Add or subtract Value Added Tax (VAT) from an amount.
AC Voltage Calculator
Calculate voltage, current, resistance, and power in AC circuits.
DC Voltage Calculator
Calculate voltage, current, resistance, and power in DC circuits.
FD Calculator
Calculate Fixed Deposit maturity amount and interest.
RD Calculator
Calculate Recurring Deposit maturity amount and interest.
SIP Calculator
Calculate Systematic Investment Plan returns and wealth creation.
EMI Calculator
Calculate Equated Monthly Installment for loans.
Currency Converter
Convert between different currencies with live exchange rates.
Payback Analysis Calculator
Calculate the payback period for investments based on initial cost and cash flows.
Depreciation Calculator
Calculate depreciation using different methods for assets.
Significant Figures Calculator
Count significant figures and perform operations with proper rounding.
Fiber Performance Calculator
Calculate optical link budget and fiber performance.
Data Transfer Rate Calculator
Calculate data transfer time, speed, or size with our bidirectional calculator.
LCM Calculator
Calculate the Least Common Multiple (LCM) of two or more numbers instantly.
Fuel Consumption Calculator
Calculate fuel efficiency (MPG, L/100km) and check trip costs.
GCF Calculator
Calculate the Greatest Common Factor (GCF) of two or more numbers.
Muscle Mass Calculator
Calculate your Lean Body Mass (LBM) using Boer, James, and Hume formulas.
Body Fat Calculator
Calculate your body fat percentage using the US Navy method.
Body Shape Calculator
Determine your body shape (Hourglass, Pear, Apple, Rectangle) based on measurements.
Priming Sugar Calculator
Calculate priming sugar for homebrew beer carbonation.
Reverse Tax Calculator
Calculate pre-tax price from total amount (reverse calculation).
Water Chemistry Calculator
Adjust brewing water profiles with mineral salts.
ABV Calculator
Calculate Alcohol by Volume from OG and FG.
Alcohol Distilling Calculator
Calculate dilution and blending for spirits.
BAC Calculator
Estimate Blood Alcohol Concentration level based on weight, gender, and drinks.
Chilled Drink Calculator
Calculate how long it takes to chill your beer, wine, or soda.
Linear Programming Calculator
Solve linear optimization problems using the Simplex method.
Free Time Card Calculator
Calculate your weekly work hours and gross pay.
Surface Area Calculator
Calculate the surface area of 3D shapes like Cube, Sphere, Cylinder, and Cone.
Geometric Series Calculator
Calculate nth term, sum of n terms, and infinite limit of a geometric sequence.
Online Payroll Calculator
Calculate your net pay (take-home pay) with federal, state, and FICA tax estimates.