Browse our 248 calculators to solve common problems in Finance — from quick estimates to detailed results. This hub links to our most-used tools and guides so you can get answers fast.

Start with the popular picks below, or jump into the full list for more specific use cases.

Reviewed for this category by Prof. Vladimir Kovšca, Professor, Dept. of Economics (FOI).

FPE Calculator | Fire Pump Equivalent for Hydraulic Systems

FPE Calculator

The Fire Pump Equivalent (FPE) Calculator helps you quickly estimate the hydraulic power required by a fire pump based on your system’s flow rate, pressure, and pump efficiency. It’s especially useful for engineers, facility managers, and fire protection professionals designing or evaluating fire suppression systems. What Does the Calculator Do? This tool calculates the Fire … Read more

Prime Rib Cost Per Pound Calculator | Estimate Your Price Per Pound

Prime Rib Cost Per Pound Calculator

When preparing a special meal like prime rib, it’s essential to know the cost per pound to make sure you’re getting the best value for your money. The Prime Rib Cost Per Pound Calculator is a handy tool to help you calculate this cost quickly and accurately. Prime Rib Cost Per Pound  Formula To calculate … Read more

EBIT Calculator | Compute Earnings Before Interest & Taxes

EBIT Calculator 

Earnings Before Interest and Taxes (EBIT), also known as operating profit or operating income, is a crucial financial metric that measures a company’s profitability before accounting for the effects of interest and taxes. Calculating EBIT helps businesses assess their operational efficiency and performance, making it a valuable tool for financial analysis. In this article, we’ll … Read more

Average Sales Calculator | Quickly Find Your Mean Sales Value

Average Sales Calculator

The Average Sales Calculator is a handy tool for calculating the average sales per unit of a product. This calculator is frequently used by retailers and businesses to determine how profitable a product or service is. Using the total sales and item numbers as inputs, the calculator determines the average sales per unit.   Formula: … Read more

Barista FIRE Calculator | Achieve your Financial Trajectory

Barista FIRE Calculator

The Barista FIRE Calculator is an innovative tool designed to assist individuals in mapping out their financial future with the Barista FIRE (Financial Independence, Retire Early) strategy. This approach allows you to leave your full-time job earlier than traditional retirement age, relying on a combination of part-time work and investment income to cover your living … Read more

eBay Fee Calculator | Simple and Easy eBay Fee Calculations

eBay Fee Calculator

The simple eBay Fee Calculator is an essential tool for anyone looking to sell items on eBay. This calculator plays a crucial role in helping sellers understand and estimate the fees associated with their sales. By accounting for the various charges like insertion fees, final value fees, and additional costs if using payment services like … Read more

Coast FIRE Calculator | Quick Path to Financial Independence

Coast FIRE Calculator

The Simple Coast FIRE (Financial Independence, Retire Early) Calculator is an essential tool for those aiming to strategically plan their retirement, offering a clear visualization of the necessary savings to achieve financial independence. This Simple Coast FIRE calculator demonstrates how much you need to accumulate in your retirement accounts so that, without additional contributions, your … Read more

Savings Rate Calculator | FIRE Savings (Ratio) Predictor

Savings Rate Calculator

The Savings Rate Calculator for FIRE (Financial Independence, Retire Early) is a crucial tool for those aspiring to achieve financial independence and early retirement. Understanding and monitoring your personal savings rate—the portion of your disposable income that you save rather than spend—is essential. Enter your monthly Take Home Pay and Monthly spending. Your Monthly Take-Home … Read more

Profit Margin Calculator | Simple Sales Profit Analysis

Profit Margin Calculator | Simple Sales Profit Analysis

The Profit Margin Calculator is an essential tool for businesses and individuals. It enables you to swiftly and accurately determine the profitability of your products or services. This profit calculator simplifies the process of understanding financial health by analyzing the relationship between costs, sales prices, and profits. Grasping your profit margins is crucial for making … Read more

StockX Fee Calculator | Get Breakdown of Costs and Profits

StockX Fee Calculator

The StockX Fee Calculator is straightforward to use. Enter the item price you intend to sell at, the cost of the item to you, and select your seller level to see the payment processing fee, transaction fee, revenue, gross profit, and profit margin. Click ‘Calculate’ to see the breakdown of costs and profits based on … Read more

Poshmark Fee Calculator | Get your Seller Profit Margins

Poshmark Fee Calculator

The Poshmark Fee Calculator is an essential tool for users of the popular social commerce marketplace, Poshmark. This calculator simplifies the process of understanding and calculating the fees involved in selling items on the platform. Poshmark Seller calculator helps you in determining the exact amount you’ll pay in fees, ensuring transparency and aiding in price … Read more

Amazon Fee Calculator | Maximize Amazon Marketplace Profits

Amazon Fee Calculator

The Amazon Fee Calculator is an indispensable tool for both individual and professional sellers on Amazon. Understanding and effectively managing fees is crucial for maximizing profits and making informed decisions about product pricing and account types. Look up the correct “Amazon Seller Fee Category” below in Product Category, and add it to the Amazon Fee … Read more

Stripe Fee Calculator | Calculate Stripe Transaction Fees

Stripe Fee Calculator

Stripe Fee Calculator simplifies your financial planning by effortlessly calculating the fees Stripe charges for each transaction. Understanding these fees is crucial for businesses and individuals who use Stripe for payment processing. Our calculator takes the complexity out of these calculations, whether you’re looking to determine the charge for a standard transaction or using our … Read more

Walmart Fee Calculator | Calculate Walmart Marketplace Fees

Walmart Fee Calculator | Calculate Walmart Marketplace Fees

The Walmart Fee Calculator is an indispensable tool for every seller on Walmart Marketplace. This calculator is designed to help you understand and estimate the fees associated with selling your products on one of the world’s largest retail platforms. Look up the correct Referral Fee Percentage below in Product Category, and add it to the … Read more

PayPal Fee Calculator | Reverse PayPal Fee Online Calculator

The PayPal Fee Calculator is a tool to help you figure out how much you would be charged by PayPal. It demystifies the costs associated with using PayPal by accurately calculating the fees for each transaction type. Enter the Amount, choose a Transaction type, and hit Calculate. More detailed information about Reverse PayPal Fee Calculations … Read more

Etsy Fee Calculator | Quick Calc of your Etsy Profit Margins

Etsy Fee Calculator | Quick Calc of your Etsy Profit Margins

The Etsy Fee Calculator is an indispensable tool for sellers on the Etsy platform. Understand and manage your Etsy costs easily. Being aware of seller fees is crucial for success in any business, and Etsy is no exception. No matter if you are a seasoned Etsy seller or just starting, the Etsy Fee Calculator Quick-Calc … Read more

USPS Shipping Time Calculator | Mail and Shipping Calculator (UPDATED)

USPS Shipping Time Calculator

The USPS Shipping Time Calculator gives you an efficient way to estimate the delivery time for packages sent via the United States Postal Service. Use our USPS Shipping Calculator to get expected delivery times for US domestic shipping services based on USPS service standards. This package delivery tool considers factors like the package origin, destination ZIP codes … Read more

Maximum Revenue Calculator | Predict Revenue and Profits

Maximum Revenue Calculator | Predict Revenue and Profits

The Maximum Revenue Calculator is a powerful tool designed to assist businesses, economists, and individuals in estimating the maximum potential revenue and profit from selling a good or service. By inputting the price of the item and its maximum demand, this calculator provides a straightforward method to forecast the highest possible revenue, helping in making … Read more

Total Surplus Calculator | Find Consumer & Producer Surplus in a Market

Total Surplus Calculator

In economics, Total Surplus refers to the combined value of consumer surplus and producer surplus within a market. It is a crucial measure that helps in evaluating the overall welfare derived from the exchange of goods or services. What is Total Surplus? Total surplus quantifies the overall benefit to society resulting from market transactions. It … Read more

Towing Cost Estimate Calculator

Towing Cost Estimate Calculator

The Towing Estimate Calculator is a practical tool that assists individuals in estimating the cost of towing services for their vehicles. It is commonly used when a vehicle requires towing due to breakdowns, accidents, or other situations where professional towing assistance is needed.   The calculator primarily takes into account two key factors: the distance … Read more