Popular Calculators

Currency Converter

Ethereum to USD Converter

Convert Ethereum to USD instantly with a live ETH price calculator, simple steps, and helpful crypto conversion FAQs.

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Business Calculators

Etsy Fee Calculator

Calculate Etsy listing, transaction, payment, regulatory, currency conversion, and Offsite Ads fees plus net profit and break-even price.

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Currency Converter

Euro to Dollar Converter

Convert Euro to US Dollar instantly with a clean EUR to USD converter, live rate support, simple guide, and FAQs.

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Electrical & Solar

EV Charger Size Calculator

Calculate EV charger size in kW and amps from battery capacity, target charging time, voltage, efficiency and safety margin.

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Electrical & Solar

EV Charging Time Calculator

Calculate EV charging time from battery size, current charge, target charge, charger power and efficiency with this free calculator.

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Construction and Home

Excavation Calculator

Calculate excavation volume, soil weight, truckloads, labor time, and estimated cost for trenches, foundations, pits, and construction projects.

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Data Converter

Excel to CSV Converter

Convert Excel to CSV instantly. Upload XLSX or XLS files, choose sheet, delimiter, preview data, copy, and download CSV.

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SaaS

Expansion Revenue Calculator

Calculate SaaS expansion revenue from upgrades, cross-sells, and upsells to estimate additional recurring revenue from existing customers.

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Math

Expected Value Calculator

Calculate expected value, weighted outcomes, variance, standard deviation, gain and loss probabilities, and repeated-trial totals.

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Advanced Finance and Investment

Expense Ratio Calculator

Calculate a fund's expense ratio and estimate annual, monthly, and long-term investment fees with this simple Expense Ratio Calculator.

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Math

Exponent Calculator

Use this Exponent Calculator to calculate powers, bases, exponents, squares, cubes, negative powers, and decimal exponents instantly online.

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Statistics

Exponential Distribution Calculator

Use this free Exponential Distribution Calculator to calculate PDF, CDF, survival probability, mean, variance, standard deviation, median, and percentiles from a rate parameter or mean.

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Statistics

Exponential Regression Calculator

Use this free Exponential Regression Calculator to fit an exponential model to paired X and Y data. Calculate the regression equation, coefficients a and b, R², correlation, growth or decay behavior, and predicted Y values instantly.

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Finance

Extra Loan Payment Calculator

Calculate how extra loan payments can reduce your payoff time and total interest, with monthly, yearly and one-time payment options.

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Statistics

F-Test Calculator

Calculate F-statistic, p-value, critical F-values, and degrees of freedom with this free online F-Test Calculator for comparing two sample variances.

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Math

Factorial Calculator

Use our Factorial Calculator to calculate n! instantly. Enter any non-negative integer and get accurate results with steps, formula, and examples.

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Math & Geometry

Factors Calculator

Use our Factors Calculator to find all factors of any positive integer quickly, including factor pairs and prime factorization.

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Health & Fitness

Fat-Free Mass Index Calculator

Use our Fat-Free Mass Index Calculator to estimate your FFMI score and analyze your lean muscle mass based on height, weight, and body fat.

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Construction and Home

Fence Calculator

Use this fence calculator to estimate fence length, posts, panels, gates, and project cost for wood, vinyl, chain link, or metal fencing.

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Construction

Fence Post Calculator

Calculate fence posts, spacing, post holes, concrete volume, bags, waste allowance, and estimated material cost for your fence project.

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Construction

Fertilizer Calculator

Calculate fertilizer needed from area, NPK analysis, target nutrient rate, bag size, application allowance, and estimated material cost.

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Education

Final Exam Calculator

Use this Final Exam Calculator to find the score you need on your final exam to reach your desired overall course grade.

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Advanced Finance and Investment

FIRE Calculator

Thousands of free online calculators and converters for math, finance, health, science, and everyday life. Fast, accurate, and always free.

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Construction

Firewood Calculator

Use our Firewood Calculator to estimate full cords, face cords, cubic feet, cubic meters, and firewood cost from your stack dimensions.

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