计算器
输入数字就能马上出结果的日常计算：百分比和折扣、年龄、BMI、单位换算，还有给卖家用的利润率和盈亏平衡计算、贷款月供、存款利息、GPA 和 AA 分账。填好数字，结果立刻显示，需要时还会列出计算公式。
此分类暂时还没有中文版工具。下面的英文版用法完全相同。
英文版工具
Percentage Calculator
英文A percentage calculator that shows the formula behind every answer
Age Calculator
英文An age calculator with exact years, months, days and a birthday countdown
BMI Calculator
英文A BMI calculator with WHO categories and a healthy weight range
Unit Converter
英文A two-way unit converter for seven categories, with exact definitions
Split Bill Calculator
英文A multi-round bill splitter with exact rounding and settle-up transfers
Margin Calculator
英文Solve cost, price, margin and markup from any two, with fees, shipping and tax
Break-Even Calculator
英文Find break-even units, revenue and the units needed for a profit goal
Loan Calculator
英文Monthly payment, total interest and a full amortization schedule with CSV download
Savings Calculator
英文Deposit and monthly savings interest, simple or compound, with optional tax
GPA Calculator
英文Cumulative and major GPA on 4.0, 4.3 and 4.5 scales with conversion
Rental Yield Calculator
英文Annual rental yield on invested cash, with loan interest and a gross-yield comparison
Stock Return Calculator
英文Net profit, return and average cost from your trades, plus an averaging-down mode
Stacked Discount Calculator
英文Final price and effective discount when percent and fixed discounts stack
Bundle Discount Calculator
英文Bundle price, price per item and the real cost of buy N get M free deals
Unit Price Comparison
英文Convert prices and sizes to unit prices and find the cheapest product
ROAS and ROI Calculator
英文ROAS, ROI, break-even ROAS and profit after ads from spend, revenue and margin
Ad Metrics Calculator
英文CPC, CPM, CTR, CVR and CPA from spend, impressions, clicks and conversions
AOV and Conversion Rate
英文Average order value and conversion rate, with goal-based orders and visits
Inventory Turnover Calculator
英文Inventory turnover and days of inventory from cost of goods sold and average stock
YouTube Revenue Estimator
英文Estimate a monthly YouTube revenue range from views, RPM and Shorts share