Global Calculators
Select a calculator. All calculations are performed locally for speed and privacy.
Financial & Business
Global Tax & Salary
Global Tax Calculator
Calculate income tax for USA, India, UK, Canada, Australia & more.
Inventory Turnover
Analyze inventory efficiency.
Payback Period
Time to recover investment.
Break Even Analysis
Break-even point calculation.
Investment Calculator
General investment analysis.
World Salary Calculator
Net salary, deductions, and breakdown for multiple countries.
Loans & Mortgages
Investment
IRR Calculator
Internal Rate of Return.
NPV Calculator
Net Present Value calculation.
P/E Ratio
Price to Earnings ratio.
Dividend Yield
Dividend yield calculation.
Working Capital
Current assets minus liabilities.
ARR Calculator
Calculate Annual Recurring Revenue for SaaS.
Compound Interest
Project investment growth.
Simple Interest
Calculate simple interest.
ROI Calculator
Calculate return on investment.
Retirement
Estimate retirement savings.
Profit Margin
Calculate business profit margin.
Depreciation
Calculate asset depreciation.
Discount Calculator
Calculate price after discount.
Tip Calculator
Calculate tip and split bill.
Debt-to-Equity
Calculate D/E ratio.
Scientific & Engineering
General Physics
Advanced Physics
Electrical Engineering
Ohm's Law
Calculate voltage, current, or resistance.
Electrical Power
Solve for P, V, I, R.
Resistance
Calculate resistance from material properties.
Capacitor Calculator
Calculate capacitance, charge, or voltage.
Inductor Calculator
Calculate inductance, voltage, or current.
Transformer Calculator
Solve for voltages, currents, or turns.
Mechanical & Fluid
Chemistry
Molarity Calculator
Calculate molarity of a solution.
Ideal Gas Law
Solve for P, V, n, or T.
pH Calculator
Calculate pH from [H+] or vice-versa.
Concentration Calculator
Calculate solution concentration using C1V1 = C2V2.
Thermodynamics
Calculate heat, mass, specific heat, or ΔT.
Gas Laws
Combined gas law calculator.
Molecular Weight
Calculate from chemical formula.
Stoichiometry
Calculate reactant/product mass.
Redox (Oxidation States)
Calculate oxidation states.
Material Properties
Young’s modulus, stress, strain calculations.
Optics & Waves
Math & Stats
Health & Fitness
Health Metrics
BMI Calculator
Calculate Body Mass Index.
Calorie Calculator
Estimate daily calorie needs.
BMR Calculator
Calculate Basal Metabolic Rate.
Body Fat Calculator
Estimate body fat percentage.
Ideal Weight
Calculate ideal weight range.
Water Intake
Estimate daily water intake.
BAC Calculator
Estimate Blood Alcohol Content.
Sleep Calculator
Optimal sleep/wake times.
Body Water
Estimate total body water.
Fitness Goals
Calorie tracking for goals.