Define each amount
Confirm the meaning of net versus total price, cost versus selling price, and ad spend versus ad revenue before entering values.
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08 · CATEGORY TOOLS
Business & Finance
VAT, margin, break-even, payroll, investing, and loans.
CATEGORY TOOLS
15066LIVE
VAT Calculator
Calculate VAT and totals from a net amount, or reverse a VAT-inclusive total into net amount and tax.
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067LIVE
Selling Price & Margin Calculator
Calculate profit and margin from cost and selling price, then find target selling price and allowed cost from a target margin.
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068LIVE
Seller Fee & Settlement Calculator
Calculate estimated settlement and net profit after commissions, shipping, and other costs.
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069LIVE
Break-even Point Calculator
Calculate contribution margin, break-even units, and break-even revenue from fixed costs, selling price, and variable cost.
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070LIVE
Unit Price Comparison Calculator
Normalize per-item, weight, and volume prices to compare actual unit prices and savings between products A and B.
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071LIVE
Ad & Sales Performance Calculator
Calculate CTR, CPC, CPM, conversion rate, CAC, ROAS, ROI, and AOV with formulas and denominators.
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072LIVE
Hourly, Monthly & Annual Salary Converter
Convert hourly, daily, monthly and annual pay with editable paid-hour assumptions.
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073LIVE
Deposit & Savings Calculator
Calculate principal, pre-tax interest, maturity amounts, and reference after-tax values for deposits and savings.
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074LIVE
Compound Growth & Future Value Calculator
Project future value from principal, recurring contributions, rate, term, and compounding frequency.
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075LIVE
Loan Interest Calculator
Calculate monthly schedules and total interest for equal-payment, equal-principal, and bullet repayment methods.
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076LIVE
Credit Card Installment Calculator
Calculate monthly payments and total installment fees from purchase amount, installment months and fee rate.
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077LIVE
Investment Return Calculator
Calculate total return and annualized return from purchase amount, current value, and holding period.
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078LIVE
Stock Average Cost Calculator
Calculate weighted average stock cost and target sell price from existing shares and additional purchases.
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079LIVE
Dividend Yield Calculator
Calculate dividend yield and expected annual dividends from share price, dividend per share, and shares held.
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080LIVE
Rental Yield Calculator
Calculate gross and net rental yield from purchase price, deposit, rent, management cost, and loan interest.
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HOW TO USE
How to use business and finance calculators
Separate the reference amounts—tax, cost, selling price, fees, or ad spend—before using the calculated result as a decision aid.Enter rates and costs
For tax, fees, or margins, verify which amount each percentage is applied to.
Cross-check the result
For settlements, break-even points, and ad performance, include real contract terms and additional costs before making a final decision.
EXPERT CATEGORY GUIDE
How to avoid mixing reference values in business calculations
Business and finance results change depending on whether tax is included, whether a percentage uses cost or selling price, and when fees are deducted. Define each input before applying a formula.VAT basis
Adding tax to a net amount and extracting the net amount from a tax-inclusive total are opposite calculations. Also confirm the applicable tax rate and taxability.
Margin versus markup
Margin usually measures profit as a share of selling price, while markup measures the increase over cost. The same profit can produce different percentages.
Fees and settlement
Marketplace fees, payment fees, shipping, and advertising may be deducted from different bases, which changes the actual settlement amount.
Break-even point
Separate fixed costs from contribution per unit to estimate required sales volume. Mixing variable costs into fixed costs distorts the result.
Unit-price comparison
Compare products on the same price-per-unit basis rather than total price alone, especially when pack size, weight, or volume differs.
Advertising metrics
ROAS, ROI, conversion rate, and CPA answer different questions. Check which costs are included before using ad revenue to infer overall profitability.
CATEGORY FAQ
Business & Finance FAQs
01What tools are included in this category?+
This page collects the currently available tools related to Business & Finance, and each one can be opened directly.
02Are all tools in this category free?+
The basic tools currently provided are free to use.
03Can I use them without an account?+
Yes. You can open each tool directly without registration.
04Can I use these tools on mobile devices?+
Yes. The pages adapt to phones and tablets.