免费、隐私、快速的金融、健身、数学、日常和站长嵌入计算器。为扩展至150+工具而打造。
显示 150 计算器
贷款、利息、抵押和金融工具。
Estimate monthly mortgage payments, total interest, and loan payoff timelines.
Calculate monthly payments for personal, auto, and business loans.
Project investment growth with compound interest and regular contributions.
Estimate car loan payments, total interest, and trade-in impact.
Convert annual salary to hourly, weekly, and monthly pay estimates.
Project portfolio growth with starting capital and recurring deposits.
See how inflation changes purchasing power over time.
Add or remove sales tax / VAT from a price instantly.
Project nest-egg growth from savings, returns, and retirement age.
Build a full loan amortization schedule with principal and interest splits.
Convert amounts between currencies using a custom exchange rate.
Estimate progressive income tax from brackets, income, and deductions.
Project 401(k) growth with employee deferrals and employer match.
Estimate how much home you can afford from income and debt ratios.
Check rent affordability and split roommate shares fairly.
Estimate months and interest to pay off a credit card balance.
Plan payoff for a consolidated debt with fixed payments and APR.
Compare current loan vs refinance payment, interest, and break-even.
Compute fixed loan or installment payments from principal, rate, and term.
See how extra payments shorten your mortgage and reduce total interest.
Solve for APR or effective rate from payment, principal, and term.
Project savings growth with deposits, interest rate, and time horizon.
Compare combined tax liability for married filing jointly versus separately.
Estimate estate tax on net assets above exemption thresholds.
Estimate monthly pension benefit from salary, years of service, and multiplier.
Estimate retirement benefits from earnings history and claiming age.
Project annuity accumulation from premiums, rate, and deferral period.
Convert annuity balance into estimated monthly income for life or fixed period.
Estimate monthly interest accrual and payoff timing from a credit card balance, APR, and fixed payment.
Estimate payoff time and interest savings when consolidating multiple debts into one new loan.
Estimate monthly repayment amount, number of payments, and total interest for a fixed-rate loan.
Estimate your student loan monthly payment and total interest using principal, APR, and repayment term.
Project total college cost over multiple years using annual expenses and optional tuition inflation.
Compute simple interest and maturity amount from principal, rate, and time.
Estimate certificate of deposit (CD) maturity value from principal, rate, and term with compounding.
Estimate bond price from coupon rate, yield, face value, and maturity.
Project mutual fund growth from an initial investment, optional periodic contributions, and expected return.
Project Roth IRA account growth from contributions and assumed return over time.
Project traditional IRA growth and future value using contributions, time, and an assumed return.
Calculate return on investment from gain and cost for projects or purchases.
Estimate an annual percentage rate (APR) from interest amount, principal, and time.
Compute gross profit margin percentage from revenue and costs for products or services.
Estimate business loan monthly payment and total interest using principal, APR, and term.
Estimate property investment value changes using home price, rental income, and growth assumptions.
Calculate present value from future cash flow and a discount rate.
Compute future value from present amount, rate, and time using compounding.
Estimate how quickly an investment recovers its cost using annual cash flows.
Estimate take-home pay from gross income using simplified deductions and tax assumptions.
Compute down payment amount from purchase price and down payment percentage.
Compare the financial impact of renting versus buying using simplified monthly and cash-flow assumptions.
BMI、卡路里、身体指标和健康计算。
Calculate Body Mass Index and see standard weight category ranges.
Estimate daily calorie needs (BMR & TDEE) for maintain, cut, or bulk goals.
Estimate body fat percentage using the US Navy method.
Estimate calories burned from activity type, weight, and duration.
Estimate ideal body weight ranges using common formulas.
Estimate due date from last menstrual period (Naegele’s rule).
Estimate basal metabolic rate with Mifflin–St Jeor equations.
Split daily calories into protein, carbs, and fat grams.
See IOM-style recommended pregnancy weight gain ranges by BMI.
Find training heart-rate zones from age using % of max HR.
Estimate daily protein needs from body weight and goal.
Estimate ovulation and fertile window from cycle length and LMP.
Estimate conception date from due date or gestational age.
Predict next periods from last period date and cycle length.
Estimate lean body mass and fat mass from weight and body fat %.
Estimate daily carb grams from calories or activity needs.
Estimate child height percentile from age, sex, and stature.
Estimate your 1RM from submaximal weight and reps using proven formulas.
Calculate daily fat grams from calories and target fat percentage.
Estimate glomerular filtration rate for kidney function screening.
Classify somatotype tendencies from frame, shoulders, and waist ratios.
Compute BSA from height and weight using Du Bois and Mosteller formulas.
Estimate blood alcohol concentration from drinks, weight, and time.
Convert running pace, speed, distance, and time for race planning.
Estimate body fat percentage using U.S. Army circumference method.
Find healthy weight range from height using BMI and frame adjustments.
Assess overweight and obesity class from BMI with category labels.
百分比、科学运算和基础数学辅助。
Solve percent of, percent change, and reverse percentage problems instantly.
Browser scientific calculator with trig, logs, powers, and constants.
Add, subtract, multiply, and divide fractions with simplified results.
Find area, perimeter, and missing side with common triangle formulas.
Compute mean, variance, and sample/population standard deviation.
Compute volume for cube, box, sphere, cylinder, and cone shapes.
Calculate area for rectangle, triangle, circle, trapezoid, and ellipse.
Generate random integers or decimals within a custom range.
Compute basic event probabilities, complements, and combined odds.
Convert a value to a z-score given mean and standard deviation.
Simplify ratios and scale part-to-part amounts proportionally.
Generate arithmetic and geometric sequences from first term and ratio.
Compute percent error between experimental and theoretical values.
Raise numbers to powers including fractional and negative exponents.
Convert and perform arithmetic in base-2 binary notation.
Convert hexadecimal to decimal and perform hex arithmetic.
Model exponential decay from half-life, initial amount, and elapsed time.
Solve ax² + bx + c = 0 with real and complex roots.
Find line slope from two points or from slope-intercept form.
Evaluate logarithms with any base including natural log and log10.
Estimate survey sample size from margin of error and confidence level.
Calculate a confidence interval for a population mean using sample statistics and a confidence level.
Compute the distance between two points using the coordinate distance formula.
Calculate circle area and circumference from radius.
Estimate total surface area for common 3D shapes using their dimensions.
Solve for the hypotenuse or a missing leg in a right triangle using the Pythagorean theorem.
Find missing side lengths and angles in a right triangle using trigonometry and the Pythagorean theorem.
Compute square roots, cube roots, and n-th roots as both roots and exponent powers.
Compute the least common multiple (LCM) of two integers using GCD.
Compute the greatest common factor (GCF) using the Euclidean algorithm.
Analyze an integer by computing its prime factors and divisor counts.
Compute arithmetic mean from a list of numbers quickly and accurately.
Compute mean, median, mode, and range to describe a dataset clearly.
Calculate nCr and nPr to count arrangements and selections.
Round values to a selected number of decimal places or significant digits.
Perform common matrix operations such as addition, multiplication, transpose, and determinant-based checks.
Convert numbers to scientific notation and interpret them in decimal form.
Factor an integer into its prime components and show exponents.
Perform long division to compute quotient and remainder with a clear step-by-step result.
Estimate p-values for statistical tests using test statistic and distribution assumptions.
Handle large integers and precise arithmetic for big-number calculations and probability counting.
Encode text to Base64 and decode Base64 back to readable strings safely for data transformation.
年龄、时间、密码和日常工具。
Find exact age in years, months, and days from a birth date.
Generate strong random passwords with length and character controls.
Find the duration between two dates and times.
Calculate sale prices, savings, and stacked discounts.
Compute weighted GPA from course grades and credit hours.
Find current course grade and the score needed on a final exam.
Estimate trip fuel cost from distance, MPG/L/100km, and fuel price.
Calculate the difference between two dates and add or subtract a number of days.
Convert between time units and compute time differences from start and end values.
Compute total hours worked or elapsed hours from start and end times with optional breaks.
Roll virtual dice with a chosen number of sides and count results.
Convert values between units using a selected conversion factor.
Estimate fuel economy (MPG) or fuel consumption from distance and fuel used.
Calculate tip amount and total bill using a tip percentage and optional split.
Estimate remaining miles until your next service and calculate the next service odometer value.
Plan bedtime using sleep cycles and a target wake-up time.
Count how many days are left until an event date or how many days have passed since it.
Estimate concrete volume needed for a slab or simple footing from dimensions and thickness.
Calculate subnet details such as network address, broadcast, and usable host range.
Estimate bra size from underbust and bust measurements using common sizing heuristics.
Estimate electrical voltage drop in a wire based on current, resistance, and length.
Estimate heating or cooling BTU requirements from area, climate assumptions, and insulation factors.
Calculate square footage for rectangular rooms and surfaces from length and width.
Estimate a playful compatibility score from names using a simple, deterministic mapping method.
Estimate GDP using the expenditure approach: C + I + G + (X − M).
Convert between torque and horsepower and estimate horsepower from engine speed.
Compute equivalent resistance for series and parallel resistor combinations and simple networks.
Use Ohm's law to compute voltage, current, or resistance in a simple resistive circuit.
Calculate density from mass and volume, and convert between common measurement units.
可嵌入您网站的计算器小部件。
Generate embed code to place a mortgage calculator on your website.
Generate embed code for a scientific calculator iframe on your website.
