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103 TOOLS

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Finance

Mortgage

估算完整的每月住房付款，并了解各項費用去向。

復利

預測儲蓄如何通過定期投入和復合回報增長。

貸款還款

Estimate a fixed loan payment and compare two rate-and-term scenarios side by side.

汽車貸款

估算計入稅費、首付和舊車折抵后的汽車融資金額。

房貸提前還款

了解每月額外還款如何縮短房貸期限并減少利息。

儲蓄增長

使用年收益率、定期存款和時間預測儲蓄余額。

Retirement

估算退休余額及用于規劃的年度提款金額。

Salary

Convert hourly, daily, weekly, biweekly, semimonthly, monthly or annual pay into comparable gross amounts.

投資增長

根據初始余額、每月投入和回報率預測投資增長。

Inflation

估算未來價格以及貨幣購買力隨時間的變化。

Amortization

建立完整的貸款攤還計劃，并可加入額外還款。

購房負擔能力

根據收入、債務、首付和住房成本估算可負擔房價。

Net Worth

Calculate assets minus liabilities and understand your personal balance sheet.

Emergency Fund

Estimate how much cash to reserve for essential monthly expenses.

Credit Card Payoff

Estimate the fixed monthly payment needed to amortize a credit-card balance, plus total interest and total repayment cost.

Debt-to-Income Ratio

Calculate the debt-to-income ratio (DTI) lenders use to compare recurring monthly debt payments with gross monthly income.

Debt Snowball

Simulate multiple debts using the snowball repayment strategy, with a fixed total payment budget.

Debt Avalanche

Simulate multiple debts using the avalanche repayment strategy, with a fixed total payment budget.

APR

Estimate annual percentage rate from monthly loan cash flows and upfront or financed fees.

APY

Convert a nominal annual rate and compounding frequency into APY.

Interest Rate

Solve the nominal annual loan rate from principal, monthly payment and term.

Simple Interest

Calculate interest that does not compound over the selected term.

Mortgage Refinance

Estimate the new principal-and-interest payment after refinancing and compare it with your current mortgage payment.

Mortgage Closing Cost

Estimate closing costs as a percentage of a home purchase price.

Mortgage Points

Calculate the upfront dollar cost of mortgage discount points.

Rent vs Buy

Compare renting and buying over multiple years using home equity, transaction costs and invested cash-flow differences.

Down Payment

Convert a target down-payment percentage into cash and loan amounts.

PMI

Estimate monthly private mortgage insurance from balance and annual PMI rate.

Property Tax

Estimate annual and monthly property tax from assessed value and tax rate.

Home Equity

Calculate home equity and loan-to-value from value and mortgage balance.

HELOC Payment

Estimate an interest-only monthly HELOC payment from your balance and annual rate.

Biweekly Mortgage

Estimate a biweekly payment from a standard monthly mortgage payment.

Extra Mortgage Payment

Estimate annual extra principal created by a recurring extra payment.

Reverse Mortgage

Estimate a planning-level reverse-mortgage borrowing limit from home value.

Personal Loan

Calculate a fixed personal-loan payment, total repayment and total interest from the amount, APR and term.

Student Loan

Estimate the standard fixed payment and lifetime interest for a student-loan balance using a stated rate and repayment term.

Boat Loan

Estimate monthly payments for a boat purchase loan.

RV Loan

Estimate monthly payments and total interest for recreational vehicle financing.

Motorcycle Loan

Estimate a fixed monthly motorcycle loan payment and total borrowing cost.

Line of Credit

Estimate an interest-only monthly payment on a revolving credit balance.

Loan Comparison

Compare the monthly payment for two interest rates on the same loan.

Debt Consolidation

Estimate the payment on a single fixed-rate consolidation loan.

Loan Affordability

Estimate principal supported by a monthly payment, rate and term.

Hourly to Salary

Convert an hourly wage to weekly, monthly and annual gross pay using scheduled hours and paid working weeks.

Salary to Hourly

Convert annual salary into an equivalent hourly wage.

Overtime

Calculate weekly overtime pay using an overtime multiplier.

Paycheck

Estimate take-home pay from gross pay and a combined deduction rate.

Take-Home Pay

Estimate annual take-home pay by subtracting a combined percentage for taxes, payroll deductions and benefits from gross salary.

Bonus Tax

Estimate bonus take-home amount after a selected withholding rate.

Pay Raise

Calculate a new annual salary and pay increase after a percentage raise.

Commission

Calculate sales commission from eligible revenue and commission rate.

Severance Pay

Estimate severance from weekly pay and offered weeks.

Cost of Living

Estimate the salary needed after moving to a location with different costs.

CAGR

Calculate compound annual growth rate between a starting and ending value.

Dividend

Estimate annual dividend income from shares owned and dividend per share.

Dividend Yield

Calculate dividend yield from annual dividend and current share price.

Stock Average

Calculate the weighted average cost across two stock purchases.

Capital Gains

Calculate investment gain before tax from proceeds and cost basis.

Bond Yield

Estimate current bond yield from annual coupon and market price.

Real Return

Adjust a nominal investment return for inflation and purchasing power.

Portfolio Return

Estimate a two-asset weighted portfolio return from returns and allocation weights.

Income Tax

Estimate tax on a selected taxable-income amount using one stated effective rate for fast budgeting and scenario comparisons.

Self-Employment Tax

Estimate self-employment tax from net self-employment income and tax rate.

Capital Gains Tax

Estimate tax on a taxable capital gain using a planning-level tax rate.

Tax Bracket

Estimate tax at a selected marginal rate for planning.

Tax Refund

Compare tax payments and credits with estimated tax liability.

Tip Income Tax

Estimate the tax reserve needed for reported tip income and planning.

Business

利潤率

即時將收入和成本轉換為利潤、利潤率和成本占比。

投資回報率

衡量投資收益金額、回報率和年化結果。

Break-even

計算覆蓋固定成本和變動成本所需的銷量與收入。

Markup

比較售價、利潤、加價率和利潤率，同時避免混淆這些概念。

Business Loan

Estimate payment and borrowing cost for a fixed-rate business loan.

Freelance Rate

Estimate an hourly freelance rate from income target and billable hours.

Gross Profit

Calculate gross profit from revenue and cost of goods sold.

Net Profit

Calculate net profit after all business costs and operating expenses.

Contribution Margin

Calculate contribution margin from sales and variable costs.

Operating Margin

Calculate operating margin as operating income divided by revenue.

EBITDA

Estimate EBITDA by adding interest, tax, depreciation and amortization to net income.

Cash Flow

Calculate net cash flow from cash received and cash paid.

Inventory Turnover

Calculate how often average inventory is sold during a period.

Product Price

Set a selling price from unit cost and target markup.

Customer Acquisition Cost

Calculate marketing and sales spend per new customer.

Customer Lifetime Value

Estimate customer lifetime value from order value, purchases and lifespan.

Payroll Tax

Estimate employer payroll tax from taxable payroll and a combined rate.

VAT

Add value-added tax to a net price and see the tax amount and gross total.

GST

Add goods and services tax to a pre-tax amount and estimate the gross total.

Quarterly Tax

Divide estimated annual tax into four planning payments.

Everyday

小費與賬單分攤

輕松計算小費并分攤最終賬單，無需在餐桌旁費力心算。

日期差

計算兩個日歷日期之間的準確時間。

Discount

快速計算折后售價、節省金額和含稅總額。

Age

計算兩個日歷日期之間以年、月、日表示的準確年齡。

銷售稅

計算銷售稅和含稅價格，或由含稅總額反推稅前金額。

家居與建筑

家居與建筑

Paint

估算墻面面積、油漆用量和實際購買數量。

家居與建筑

Concrete

使用美制或公制單位估算混凝土體積，并加入實際損耗預留。

家居與建筑

Flooring

估算地面面積、包含損耗的材料用量及相應材料成本。

Health

BMI

估算身體質量指數，并查看成人標準篩查范圍。

熱量需求

根據年齡、性別、身高、體重、活動水平和體重目標估算每日熱量需求。

體脂

使用美國海軍圍度法估算體脂率。

Math

Percentage

一步解決最常見的百分比問題。

單位換算

即時換算常用的長度、重量、體積和溫度單位。

Graphing

Plot up to three functions, inspect their domain and estimate visible roots without sending formulas to a server.

Equation Solver

Solve linear and quadratic equations, including repeated, complex, identity and no-solution cases.

Calculator Builder

Create and share a private calculator from a formula using variables a, b and c.