Calculator Tools

Age Calculator Enter a date of birth to get an exact age in years, months and days, on today's… Percentage Calculator Answer the four percentage questions people actually ask. Type your numbers into… EMI Calculator Work out the equated monthly instalment for any loan. Enter the amount, interest… GST Calculator Calculate goods and services tax in either direction. Add GST to a net price, or… Mortgage Calculator See what a home will really cost each month. Beyond principal and interest, add… Loan Calculator Find the payment on any fixed-rate loan, choose how often you pay, and see what… Compound Interest Calculator Project how money grows when interest earns interest. Start with a lump sum, add… Salary Calculator Enter what you earn for any period and see the equivalent for every other period… Income Tax Calculator Income tax depends on where you live and on the tax year, so this calculator does… Tip Calculator Work out the tip and who owes what in seconds. Enter the bill, choose a tip… Discount Calculator How much will it cost, and how much do you really save? Enter the original price… Profit Margin Calculator Know what you really earn on each sale. Enter your cost and selling price to get… Markup Calculator Cost-plus pricing in one step. Enter what an item costs you and the markup you add… Break-Even Calculator How many sales before you make a profit? Enter your fixed costs, the price of a… ROI Calculator Measure what an investment earned. Enter what you put in, what you got back and… ROAS Calculator Is your advertising paying for itself? Enter what you spent on ads and the revenue… Commission Calculator Work out what a sale or a period of sales pays. Enter the sales amount and a flat… Lead Scoring Calculator Decide which leads deserve a sales call first. List what you know about a lead –… Affiliate Commission Calculator See what an affiliate programme will really pay. Choose a percentage or fixed… Customer Lifetime Value Calculator Find out what a customer is worth to your business over the whole relationship.… Customer Acquisition Cost Calculator Measure what it costs to win one new customer. Add up marketing spend, sales spend… VAT Calculator Add VAT to a price or take it out of a price that already includes it. Enter the… Sales Tax Calculator Work out sales tax when the rate is made up of several parts. Enter the state rate… Payroll Calculator Run the numbers for one pay period. Choose hourly or salaried pay, enter the hours… Freelance Rate Calculator Find the lowest rate that still pays you what you want to earn. Start from your… Net Salary Calculator See how much of a salary you actually take home. Enter the gross annual salary… Gross Salary Calculator Work backwards from the money you need in your account to the salary you should… Overtime Calculator Work out pay for a week with extra hours. Enter the regular hourly rate and hours… Savings Calculator Plan how a savings account grows. Enter what you have today, how much you add each… Retirement Calculator Check whether your retirement saving is on track. Enter your age, the age you want… Investment Return Calculator Measure how an investment actually performed. Enter what you invested, what it is… SIP Calculator See what a systematic investment plan could grow to. Enter the monthly instalment… Inflation Calculator Understand how inflation changes the value of money. Choose whether you want the… Currency Profit Calculator Find out whether a currency exchange made or lost money once costs are included.… Business Profit Calculator Turn the main lines of a profit and loss statement into the profit figures people… Revenue Calculator Add up revenue across products and services. Write one line per product with the… Expense Calculator Get the true yearly cost of everything you pay for. List each expense with its… Cash Flow Calculator See whether you will have enough cash each month. Enter the opening balance and… Inventory Calculator Value the stock you hold. List each item with its quantity, unit cost and… Inventory Turnover Calculator Measure how quickly your stock sells. Enter the cost of goods sold for a period… Stock Reorder Calculator Know when to order and how much. Enter average and peak daily sales and average… Shipping Cost Calculator Estimate what a parcel will cost to ship and why. Enter the actual weight, the box… Ecommerce Profit Calculator Find out what an online order really earns. Enter the selling price, product cost… Ecommerce Pricing Calculator Set a price that leaves the margin you want after every cost. Enter the product… Wholesale Price Calculator Price products for retailers. Start from your production cost and a wholesale… Retail Price Calculator Turn a cost into a shelf price. Enter the cost per unit, choose whether you price… Marketplace Fee Calculator See what you keep from a marketplace sale. Enter the item price and the shipping… Payment Gateway Fee Calculator See what a card or online payment costs. Enter the amount, your provider’s… Subscription Revenue Calculator Project how a subscription business grows. Enter today’s subscribers, the monthly… MRR Calculator Add up monthly recurring revenue across your plans and see how it moved this… ARR Calculator Convert recurring revenue into its yearly run rate and plan towards a target.… Churn Rate Calculator Measure how many customers you lose. Enter the customers at the start of a period… Conversion Rate Calculator Work out the conversion rate of a page, campaign or shop and how precise it is.… Average Order Value Calculator Find out how much customers spend per order and where to grow it. Enter revenue… ROAS Calculator Advanced Go beyond revenue divided by ad spend. Enter ad spend, revenue attributed to ads… CAC Payback Calculator Find out how long a new customer takes to pay for the cost of winning them. Enter… Invoice Tax Calculator Total an invoice that mixes tax rates. Write one line per item with quantity, unit… Invoice Discount Calculator See what an invoice discount is worth. Enter the invoice amount and a percentage… Purchase Order Calculator Work out the full cost of an order before you place it. List the items with… Quote Price Calculator Turn the costs of a job into a quote that covers overheads and leaves a profit.… Project Cost Calculator Build a project budget from the people and costs it needs. List each role with its… Freelance Project Calculator Turn a task list into a fixed project price. List the tasks with estimated hours… Time Tracking Calculator Total your hours from start and end times. Write one entry per line with a task… Productivity Score Calculator Reflect on a working day with a simple, transparent score. Enter tasks planned and… Task Priority Calculator Decide what to work on next. List your tasks and rate each from 1 to 5 for impact… LLM Context Calculator Check whether a prompt fits a model’s context window and how much room is left.… Token Cost Calculator Find out what a request to a language model costs. Enter the input tokens, how… AI API Cost Calculator Plan the running cost of an AI feature. Enter active users per day, requests per… AI Model Comparison Calculator Compare what different models would cost for your actual workload. List each model… API Rate Limit Calculator Plan batch jobs and traffic within an API’s limits. Enter the requests-per-minute…