25 free tools that cover pricing, percentages, depreciation, real estate, costs, workforce, and investing. Pick any calculator and get your answer in seconds.
A closer look at every finance tool on this page, in plain English, so you know exactly what each one does before you click through.
Splitting a restaurant bill and working out the right tip for each person is one of those small tasks that becomes surprisingly awkward at a table. The Tip Split Calculator takes the total bill, a tip percentage, and the number of people sharing, then returns each person's share including their portion of the tip so everyone pays fairly without mental arithmetic at the table. It works for any group size and any tip rate. Change the percentage or people count and the split updates instantly. Groups dining out use this tip split calculator to divide bills cleanly, avoid short-changing the server, and settle up quickly without the awkward back-and-forth of who owes what to whom after a meal.
A discount reduces the price a customer pays, and knowing the exact saving in pounds or dollars is more useful than just seeing a percentage tag on a shelf. The Simple Discount Calculator takes the original price and a discount percentage, then returns the amount saved and the final price the buyer actually pays, making it quick to check whether a sale price is genuinely good value or just looks that way. It suits shoppers, retailers, and anyone comparing promotional prices. Enter the original price and rate and the discounted total appears right away. Buyers and sellers use this simple discount calculator to verify sale prices, apply discount codes accurately, and confirm that the price paid reflects the advertised saving without needing to do the maths manually.
Cost per unit is the expense of producing or buying a single item, calculated by dividing total costs across all units made or purchased. The Cost Per Unit Calculator takes fixed costs, variable costs, and the number of units produced, then divides the combined total to show exactly what each item costs the business. This number sits at the heart of pricing and profit decisions, since selling below it means losing money on every item. Adjust production volume to see how the figure shifts at different scales. Manufacturers, retailers, and product businesses use this cost per unit calculator to set informed prices, compare the efficiency of different production runs, and understand how scaling output changes the economics of each unit sold.
Price per unit is the amount charged to a buyer for one single item taken from a larger order or batch purchase. The Price Per Unit Calculator takes the total order price and the quantity, then divides them to return the per-item cost, making it easy to check whether an order is consistently priced and to spot any errors before an invoice is issued or approved. It suits sales teams quoting large orders and buyers checking delivery invoices for accuracy. Enter any total and quantity and the unit price appears at once. Sales managers and purchasing teams use this price per unit calculator to build pricing schedules, verify bulk order costs quickly, and ensure every customer is charged the correct amount per item throughout the order.
Bulk pricing offers a lower cost per unit when a buyer purchases a larger quantity, rewarding volume while keeping margins workable for the seller. The Bulk Pricing Calculator takes a standard unit price and discount tiers or a percentage reduction, then returns the price per unit and total at each quantity level so bulk rates can be set and quoted without cutting margins too far. It suits wholesalers, suppliers, and any seller offering volume deals. Adjust quantities or discount rates and the pricing updates instantly. Sales teams and pricing managers use this bulk pricing calculator to structure tiered offers, respond to large-order enquiries quickly, and confirm that every bulk discount still delivers enough margin to keep each high-volume sale genuinely profitable.
Tracking progress toward a target is easier when the result is expressed as a clear percentage of the goal rather than a raw number standing alone. The Percent to Goal Calculator takes the current value and the target value, then returns how far along the goal the current figure sits as a percentage, making it simple to report progress in sales, fundraising, fitness, or any measurable objective. Enter any two figures and the percentage appears right away. Teams and individuals use this percent to goal calculator to track milestones clearly, communicate progress to stakeholders without ambiguity, and keep motivation strong by seeing exactly how close a target is rather than relying on a rough sense of how things are going at any point.
Percentage change shows how much a value has risen or fallen between two points in time, expressed as a proportion of the starting amount. The Percentage Change Calculator takes an original value and a new value, then returns the exact percentage increase or decrease between them, which is useful for comparing prices, sales figures, performance metrics, and any data that changes over time. It handles both increases and decreases and shows the direction of the change clearly. Adjust either figure and the result updates at once. Analysts, managers, and anyone reviewing data over time use this percentage change calculator to report trends accurately, compare periods side by side, and communicate the scale of any change in a way that is immediately clear to anyone reading the figures.
A percentage increase shows by how much a value has grown relative to its starting point, making comparisons between different scales much easier than using raw numbers alone. The Percentage Increase Calculator takes the original value and the new higher value, then returns the exact percentage by which the figure has grown, useful for tracking price rises, salary increases, revenue growth, and any upward movement in a measurable quantity. Enter the two values and the result appears instantly. Business owners, finance teams, and anyone reviewing upward trends use this percentage increase calculator to quantify growth clearly, compare increases across different products or periods, and present performance data in a format that is simple to understand and straightforward to act on.
A percentage decrease shows by how much a value has fallen relative to its original amount, turning a raw drop into a proportion that is easier to compare and report. The Percentage Decrease Calculator takes the original value and the new lower value, then returns the percentage by which the figure has dropped, useful for tracking cost reductions, falling sales, price cuts, and any downward movement that needs to be quantified clearly. Enter the two values and the percentage fall appears right away. Finance teams, buyers, and analysts use this percentage decrease calculator to measure the scale of any reduction, compare drops across categories or time periods, and communicate clearly how much something has fallen without leaving the audience to interpret a raw number on their own.
Attendance percentage tracks how often people are present out of the total number of occasions they were expected to be there, and expressing it as a rate makes patterns far easier to spot and report. The Attendance Percentage Calculator takes total expected days or sessions and the number actually attended, then returns the attendance rate as a clear percentage suitable for HR records, school reports, and workforce management. It works for any setting where presence is monitored over time. Enter the expected and attended figures and the rate appears at once. Managers, teachers, and HR teams use this attendance percentage calculator to monitor presence consistently, flag low rates early, and keep reliable attendance data ready whenever it is needed for reviews, reports, or formal absence management conversations.
Accumulated depreciation is the total reduction in an asset's value recorded since it was first put into use, building up year by year until the asset is fully written off. The Accumulated Depreciation Calculator takes the asset's original cost, its useful life, and the depreciation method, then returns both the annual charge and the running accumulated total so accountants and finance teams can maintain accurate asset records without manual calculation. It suits any business that owns equipment, vehicles, or property subject to depreciation. Change the method or life and the figures recalculate instantly. Accountants and finance managers use this accumulated depreciation calculator to prepare balance sheets accurately, track the book value of assets over time, and ensure depreciation charges feed correctly into profit and loss reporting each period.
An additional fund is a savings pot set aside for a specific goal that sits separately from the main budget, such as a planned upgrade, a new project, or a contingency reserve. The Additional Fund Calculator takes a savings target and a time period, then works out the regular contribution needed to reach that amount on schedule, making it easy to plan and track a separate financial goal without disturbing the main budget. It suits businesses and individuals saving toward a defined objective within a fixed timeframe. Adjust the target or timeline and the required saving rate updates right away. Finance teams and individuals use this additional fund calculator to build secondary savings plans clearly, separate extra goals from everyday finances, and keep progress toward each specific target visible and on schedule.
Fixed costs are the ongoing expenses a business pays regardless of how much it produces or sells, forming a baseline that must be covered before any profit is possible. The Fixed Cost Calculator takes total costs and subtracts variable costs to isolate the fixed component, giving businesses a clear view of the minimum revenue needed to keep operations running each period. Knowing this figure is essential for break-even analysis, budgeting, and understanding the full cost structure of the business. Adjust total or variable costs and the fixed portion recalculates instantly. Finance managers and business owners use this fixed cost calculator to plan budgets accurately, assess the impact of scaling production, and ensure every pricing decision accounts for the fixed obligations the business must meet regardless of trading volume.
A consulting rate is the fee an independent professional charges for their time, and setting it correctly means covering all business costs while delivering a worthwhile income. The Consulting Rate Calculator takes a target annual income, expected working hours, and business overhead costs, then returns the minimum hourly or daily rate needed to meet those goals, replacing guesswork with a figure grounded in actual financial need. It suits freelancers, consultants, and coaches setting or reviewing their fees. Change the income target or hours and the rate updates at once. Independent professionals use this consulting rate calculator to set fees confidently, review rates annually against rising costs, and make sure what they charge is high enough to sustain the business and deliver the income they are genuinely working toward each year.
Contribution margin shows how much each sale contributes toward covering fixed costs and generating profit once the direct variable cost of that sale has been removed. The Contribution Margin Calculator takes selling price and variable cost per unit, then returns both the margin in currency and the ratio as a percentage, giving a clear view of how efficiently each unit sold supports the wider business. It feeds directly into break-even calculations and product mix decisions. Adjust the price or variable cost and the margin recalculates right away. Finance teams and business owners use this contribution margin calculator to compare product lines, identify which items contribute most to fixed cost recovery, and make pricing or production decisions based on how each product actually performs against the costs it directly generates.
Conversion rate measures how many people who take an initial action — visiting a page, opening an email, or clicking an ad — go on to complete the desired goal such as a purchase or a sign-up. The Conversion Rate Calculator takes total visitors or leads and the number of conversions, then returns the rate as a percentage so marketing and sales teams can measure performance and track the impact of changes over time. Enter the figures for any period and the rate appears instantly. Marketing managers, e-commerce teams, and growth specialists use this conversion rate calculator to benchmark campaigns, identify where visitors are dropping off, and make evidence-based decisions about where to focus effort to improve the proportion of interest that turns into a completed action.
Cost of goods sold is the direct cost of producing or purchasing the items a business sells during a period, sitting between revenue and gross profit in the income statement. The Cost of Goods Sold Calculator takes opening inventory, purchases made during the period, and closing inventory, then returns the COGS figure that feeds directly into gross profit and margin calculations. Getting it right is essential for accurate financial reporting and tax filing. Change any of the three inputs and the result updates at once. Accountants, retailers, and manufacturers use this cost of goods sold calculator to prepare income statements accurately, track the cost of stock movement over each period, and make sure the right COGS figure flows into every margin and profitability calculation the business relies on.
Break-even ROAS is the minimum return on ad spend a campaign must achieve just to cover the cost of advertising, with no profit or loss left over at that threshold. The Break Even ROAS Calculator takes the gross margin percentage and returns the ROAS value that marks the break-even point, giving marketers a clear benchmark every campaign must beat before it becomes profitable. It is especially useful for e-commerce businesses running paid ads across multiple channels. Adjust the margin and the threshold recalculates instantly. Marketing teams and e-commerce managers use this break even ROAS calculator to set bidding targets that make sense for each product's margin, evaluate whether current campaigns are profitable, and identify which products are worth advertising based on their actual contribution after ad costs are removed.
Cap rate is the annual return on a property investment expressed as a percentage of the property's value, based on the net income the property generates. The Cap Rate Calculator takes net operating income and the current property value, then returns the capitalisation rate so investors and property managers can compare assets, assess whether a purchase price is reasonable, and benchmark a property against market averages without needing a full financial model. Adjust either figure and the rate recalculates right away. Property investors and commercial real estate professionals use this cap rate calculator to screen potential acquisitions quickly, compare properties across different price points and income levels, and make faster decisions about which assets offer a return worth pursuing relative to their current market value and condition.
Liquid net worth is the portion of total net worth that could be converted to cash quickly if needed, excluding assets like property or long-term investments that take time to sell. The Liquid Net Worth Calculator takes total assets, subtracts illiquid ones and all liabilities, and returns the liquid portion so individuals and businesses can see clearly how much financial flexibility they actually have in a situation that requires fast access to funds. Enter assets and liabilities and the figure appears at once. Investors, financial planners, and individuals reviewing their financial position use this liquid net worth calculator to understand their true short-term financial resilience, plan for unexpected costs, and decide how much of their overall wealth is genuinely accessible without selling property or redeeming long-term investment holdings.
Attrition rate tracks the percentage of employees who leave a business over a period, and watching it over time reveals whether the workplace is becoming more or less stable. The Attrition Rate Calculator takes the number of people who left and the average headcount during the same period, then returns the attrition rate as a percentage that can be reported to leadership and compared against industry benchmarks. A rising rate is usually an early signal that something needs to change. Enter any period's figures and the result appears instantly. HR teams and business leaders use this attrition rate calculator to monitor workforce stability consistently, present clear data to senior decision-makers, and build a measurable case for the investments that reduce the ongoing cost and disruption of employees leaving more often than a healthy business should expect.
Turnover percentage measures how often employees leave and need to be replaced within a business over a defined period, and tracking it over time shows whether retention is improving or worsening. The Turnover Percentage Calculator takes the number of employees who left and the average headcount for the period, then returns the turnover rate so HR teams and managers can benchmark performance and identify where the problem is most acute. High turnover is expensive, disruptive, and in most cases preventable once it is properly measured. Change the figures for any period and the percentage recalculates at once. People teams and managers use this turnover percentage calculator to track workforce trends, focus retention resources where they will have the greatest impact, and present leadership with reliable data to support decisions about pay, culture, and conditions.
Time off covers all approved absences from work including annual leave, sick days, and other paid or unpaid time away, and keeping an accurate balance matters for both employees and HR teams. The Time Off Calculator takes total leave entitlement, days already used, and the remaining period, then returns the current balance so workers and managers always have a clear, up-to-date picture without digging through records manually. Adjust entitlement or days taken and the balance recalculates right away. Employees use this tool to plan holidays without running over their allowance, and HR teams use this time off calculator to keep leave records current and accurate across the entire workforce throughout the year, reducing disputes and ensuring everyone's entitlement is properly tracked and consistently applied.
Appreciation measures how much an asset has grown in value over time, whether that asset is a property, an investment, a currency, or any other holding that changes in worth. The Appreciation Calculator takes the original value, the current or projected value, and the time period, then returns both the total gain and the annualised appreciation rate, giving a clear picture of how strongly the asset has performed over the holding period. It is useful for property owners reviewing equity, investors tracking portfolio growth, and anyone comparing assets over different timescales. Adjust the values or period and the rate updates instantly. Investors and property owners use this appreciation calculator to measure how an asset has grown, compare performance across different holdings, and make more informed decisions about whether to hold, sell, or reinvest based on actual annualised returns.
A basis point is one hundredth of one percentage point, commonly used in finance to describe small changes in interest rates, bond yields, and investment fees where fractions of a percent matter significantly at scale. The Basis Point Calculator converts between basis points and percentages in both directions, making it quick to translate rate changes quoted in basis points into the percentage equivalent and vice versa, reducing the risk of misreading a figure during a rate discussion or financial review. Enter any value and the conversion appears right away. Finance professionals, investors, and anyone working with interest rates or fee schedules use this basis point calculator to move between the two formats instantly, communicate rate changes with precision, and avoid the small but consequential errors that can arise when basis points and percentages are confused in financial documents or investment conversations.