Popular Calculators

Statistics

Five Number Summary Calculator

Calculate the five number summary from any data set. Find minimum, Q1, median, Q3, maximum, IQR, and range with accurate results.

Open calculator

Finance

flames calculator

Use our free FLAMES Calculator to check friendship, love, affection, marriage, enemy, or sibling compatibility between two names.

Open calculator

Finance

Flat Rate Interest Calculator

Calculate flat rate loan interest, monthly payments, total repayment and the approximate reducing-balance APR for easy loan cost comparison.

Open calculator

Construction

Floor Joist Calculator

Calculate floor joist quantity, joist length, spacing, linear footage, rim board and blocking estimates with this free floor joist calculator

Open calculator

Construction and Home

Flooring Calculator

Free flooring calculator to estimate floor area, material waste, boxes needed, total cost, and project budget for any room.

Open calculator

Physics & Engineering

Flow Rate Calculator

Calculate volumetric flow rate, cross-sectional area, or fluid velocity using Q = Av with multiple flow, area, and velocity units.

Open calculator

Physics & Engineering

Fluid Pressure Calculator

Calculate fluid pressure, density, or depth using P = ρgh with multiple pressure, density, and length units.

Open calculator

Business & Ecommerce

Food Cost Calculator

Calculate food cost percentage, recipe cost, cost per serving, gross profit, and recommended menu price using ingredient costs, servings, and target food cost.

Open calculator

Construction

Footing Calculator

Calculate required footing area, square or rectangular dimensions, soil bearing pressure, and concrete volume for preliminary foundation sizing.

Open calculator

Science Calculators

Force Calculator

Use this Force Calculator to calculate force, mass, or acceleration with accurate unit conversions, formulas, examples, and instant results.

Open calculator

Currency Converter

Foreign Exchange Calculator

Convert currencies with a clean foreign exchange calculator using live rates, swap controls, popular currencies, guides, and FAQs.

Open calculator

Currency Converter

Forex Converter

Convert forex rates live between currencies with a fast, professional Forex Converter using reliable daily exchange rates.

Open calculator

Math

Fraction Calculator

Use this free Fraction Calculator to add, subtract, multiply, divide, simplify fractions, and convert results into mixed numbers easily.

Open calculator

Math & Geometry

Fraction to Decimal Calculator

Convert fractions to decimals instantly with our free Fraction to Decimal Calculator. Get accurate results with easy steps and examples.

Open calculator

Construction and Home

framing calculator

Use this framing calculator to estimate wall studs, plates, headers, blocking, and lumber cost for home framing projects quickly.

Open calculator

Physics & Engineering

Free Fall Calculator

Calculate free fall time, final velocity, or distance using gravity, height, and initial velocity with this accurate physics calculator.

Open calculator

Business Calculators

Freelance Hourly Rate Calculator

Calculate your freelance hourly rate using income goals, taxes, business expenses, billable hours, time off, and a profit or savings buffer.

Open calculator

Finance

Freelance Tax Calculator

Estimate 2026 freelance taxes, including federal income tax, self-employment tax, deductions, credits, withholding, balance due, and quarterly payments.

Open calculator

Statistics

Frequency Distribution Calculator

Create a frequency distribution table from your data. Calculate frequencies, percentages, cumulative frequencies, range, and total observations.

Open calculator

Electrical & Solar

Frequency to Wavelength Calculator

Convert frequency to wavelength instantly in meters, centimeters, millimeters, feet and inches using selectable wave propagation speed.

Open calculator

Physics & Engineering

Friction Calculator

Calculate friction force, coefficient of friction, or normal force using F = μN with multiple force units and instant results

Open calculator

Vehicle and Practical Calculators

friction loss calculator

Calculate pipe friction loss, pressure drop, flow rate impact, and head loss instantly with a professional friction loss calculator.

Open calculator

Vehicle and Practical Calculators

fuel consumption calculator

Calculate fuel consumption, MPG, L/100km, trip fuel cost, and efficiency using distance, fuel used, and price with this free calculator.

Open calculator

Vehicle and Practical Calculators

fuel cost calculator

Use our fuel cost calculator to estimate fuel needed, trip expense, cost per mile, and round-trip cost using distance, mileage, and fuel price.

Open calculator