100% en el navegador y privado

Z-Score & Standard Score Calculator

Client-Side Sandbox
100% In-Browser Privacy All computations and file processing run strictly in your browser. Zero server data uploads.

Compute standard z-scores, p-values, and normal distribution probabilities for individual data observations.

Standard Normal Deviate (Z)

Calculate standard scores (z-scores), p-value probability probabilities under the normal curve, and determine how many standard deviations a value lies from the mean.

Calculated Z-Score +1.0000
Cumulative Probability P(Z ≤ z) 0.8413 (84.13%)
Upper Tail Probability P(Z > z) 0.1587 (15.87%)
Formula: z = (x - μ) / σ
Estándares verificados
Resultados precisos y deterministas Probado según especificaciones oficiales para obtener resultados reproducibles y fiables.

Cómo usar esta herramienta

  1. Enter your input values in the designated fields above.
  2. Click Calculate or type to see instant real-time results.
  3. Use the Copy button to copy the output directly to your clipboard.

Formatos admitidos, límites y privacidad

Entradas y límites: Browser client-side processing limits apply (e.g. max recommended image size 25MB).

Cero recopilación de datos: Esta herramienta se ejecuta al 100% dentro del motor JavaScript del navegador del cliente. Ninguna pulsación de teclas, valores, archivos o resultados calculados se almacenan o transmiten a ningún servidor remoto.

Keyboard Shortcut /
Press / Anytime to Quick-Search Jump directly to any tool across all categories with instant keyboard navigation.

Herramientas relacionadas en Calculadoras y Conversores

Percentage Calculator

Calcule porcentajes, aumentos o disminuciones porcentuales y diferencias porcentuales al instante con fórmulas completas paso a paso.

Age Calculator

Calcule la edad exacta en años, meses, días, horas y minutos, además de los días restantes hasta el próximo cumpleaños.

Unit Converter

Convert across length, weight, temperature, area, volume, and speed with high precision and SI standard factors.

Date Calculator

Find days between dates, add or subtract days/weeks/months/years, and count working business days excluding weekends.

Discount Calculator

Calcule el precio final con descuento, los ahorros totales y el impacto opcional del impuesto sobre las ventas para compras inteligentes.

Loan EMI Calculator

Calculate monthly installments (EMI), total interest payable, and total loan repayment with repayment schedules.

Compound Interest Calculator

Calculate future value, total interest earned, and compound investment growth across monthly and annual compounding frequencies.

Profit Margin & Markup Calculator

Calculate gross profit, profit margin percentage, and markup percentage from product cost and selling price.

GST & VAT Calculator

Calculate tax-inclusive and tax-exclusive amounts for GST, VAT, and sales tax with standard rate presets.

Salary & Hourly Wage Calculator

Convert hourly wages, daily rates, weekly earnings, and annual salary equivalents across customizable working schedules.

Savings Goal Calculator

Calculate the exact monthly deposit needed to reach your target savings or purchase goal by a specific date.

Fuel Cost & Trip Calculator

Estimate road trip fuel costs, fuel quantity consumed, and split expenses per passenger based on vehicle efficiency.

Cooking & Recipe Unit Converter

Scale kitchen ingredients, adjust serving yields, and convert between teaspoons, tablespoons, cups, grams, and ounces.

Tip and Bill Split Calculator

Calculate tips, tax additions, and split restaurant or shared expenses equally across any party size.

Personal & Monthly Budget Planner

Plan monthly household income, track essential expenses, and calculate 50/30/20 savings goals in privacy.

Break-Even Business Calculator

Determine units and sales revenue required to cover fixed overheads and variable unit production costs.

Asset Depreciation Calculator (Straight-Line)

Calculate annual depreciation schedules, salvage value, and asset book values using straight-line accounting.

Appliance Electricity Cost Calculator

Estimate daily, monthly, and annual electrical power consumption and utility costs for home appliances.

Daily Water Intake & Hydration Calculator

Calculate recommended daily fluid hydration targets tailored to body weight, exercise level, and climate.

College & High School GPA Calculator

Calculate semester Grade Point Average on standard 4.0 weighted and unweighted credit scales.

Final Exam Grade & Target Marks Calculator

Determine the exact score required on your final exam to achieve your desired target course grade.

Household Budget Allocator (50/30/20 & Custom)

Allocate household net income across Needs, Wants, and Savings using 50/30/20, 70/20/10, or custom budget rules.

Rent Affordability Calculator (30% Rule & 40x Income)

Calculate safe maximum monthly rent using standard 30% gross income guidelines and landlord 40x annual income thresholds.

Overtime Pay Calculator (Time-and-a-Half & Double Time)

Calculate gross earnings with standard 1.5x time-and-a-half overtime, 2.0x double time, and blended hourly rates.

Time Duration Calculator (Hours, Minutes & Seconds)

Calculate elapsed duration between two clock times or add and subtract hours, minutes, and seconds across midnight.

Work Hours & Timesheet Calculator

Compute total daily and weekly billable work hours with unpaid lunch breaks, decimal time conversions, and wage estimates.

Date of Delivery & Shipping Transit Estimator

Estimate postal parcel delivery dates by calculating handling lead time and business shipping days excluding weekends and holidays.

Percentage Allocation & Share Splitter

Divide budgets, investment portfolios, equity shares, or prize pools into proportional percentage allocations.

Unit Price Comparison & Best Value Calculator

Compare multiple grocery package sizes, quantities, and prices to identify the lowest cost per ounce, gram, or liter.

Inflation & Purchasing Power Calculator

Calculate how inflation erodes purchasing power over time and determine future value adjusted for compound inflation.

Currency Conversion Calculator

Quickly convert between major world currencies (USD, EUR, GBP, INR, JPY, CAD, AUD, CHF) with customizable exchange rates.

Percentage Point vs Percent Change Calculator

Accurately distinguish between percentage point differences and relative percent change in interest rates and poll figures.

Weighted Average Calculator

Compute weighted arithmetic means for grades, financial portfolios, unit economics, and data distributions.

Average, Median & Mode Calculator

Analyze number datasets to compute mean, median, mode, range, and sum with step-by-step statistical summaries.

Standard Deviation & Variance Calculator

Calculate sample and population standard deviation, variance, mean, and count for statistical data.

Ratio & Proportion Calculator

Solve proportional equations (A:B = C:D) and simplify mathematical ratios to their simplest irreducible form.

Mixture & Dilution Calculator

Calculate concentration and volume requirements for chemical dilutions (C1V1 = C2V2) and solvent mixtures.

Loan Prepayment & Interest Savings Calculator

Calculate how extra monthly or lump-sum mortgage/loan prepayments shorten tenure and save thousands in interest.

Target Date Countdown & Milestone Calculator

Track real-time countdowns to major target deadlines, project milestones, product launches, and personal events.

Cash Flow Forecast Calculator

Forecast rolling operational cash flow, runway, and net burn based on cash inflows, operational outflows, and starting cash reserves.

Accounts Receivable Aging Calculator

Categorize outstanding customer invoices across current, 30-day, 60-day, 90-day, and 120+ day buckets.

Accounts Payable Due Date Planner

Plan vendor invoice disbursement schedules, optimize payment timing, and capture prompt payment early-settlement discounts.

Inventory Reorder Point Calculator

Calculate optimal inventory reorder points (ROP) and safety stock levels based on lead time and daily unit velocity.

Economic Order Quantity (EOQ) Calculator

Determine ideal batch purchase quantities that minimize total inventory holding and ordering setup costs.

Weighted Average Cost of Capital (WACC) Calculator

Calculate blended cost of capital across equity and debt components for corporate hurdle rates.

eCommerce Profitability Calculator

Analyze unit economics, gross margins, fulfillment, ad spend, and net profit margins per order.

Marketplace Commission Calculator

Calculate platform commission take-rates, payment processing fees, and seller payout amounts across online marketplaces.

Customer Acquisition Cost & LTV Ratio Calculator

Measure customer acquisition cost (CAC), lifetime value (LTV), LTV:CAC efficiency ratio, and payback velocity.

Invoice Payment Schedule Calculator

Break down large commercial contracts or invoices into structured milestone installment schedules with interest.

Linear Regression Calculator

Calculate linear regression slope (m), intercept (b), correlation coefficient (r), and coefficient of determination (R²) for paired datasets.

Moving Average Calculator

Calculate Simple Moving Averages (SMA) and Exponential Moving Averages (EMA) across time-series data.

Percentile & Quartile Calculator

Calculate Q1 (25th percentile), Median (50th percentile), Q3 (75th percentile), and Interquartile Range (IQR) for statistical distributions.

Probability Calculator

Calculate union, intersection, conditional probability, and independent event compound likelihoods.

Binomial Distribution Calculator

Calculate exact and cumulative binomial probabilities P(X = k) and P(X ≤ k) for n independent Bernoulli trials.

Normal Distribution Calculator

Calculate standard normal distribution probabilities, cumulative density functions (CDF), and two-tailed confidence areas.

Sampling Margin of Error Calculator

Calculate statistical margins of error and confidence intervals based on sample size and population proportions.

A/B Test Statistical Significance Calculator

Evaluate conversion rates between Control and Variant groups to determine statistical significance, p-value, and confidence.

Data Outlier Detection Tool (IQR & Z-Score)

Detect statistical anomalies and numerical outliers in datasets using Tukey's 1.5×IQR rule and standard 3-sigma Z-scores.

Explore Related Tools

View All in Category →
CALCULADORAS

Calculadora de Porcentajes

Calcule porcentajes, aumentos o disminuciones porcentuales y diferencias porcentuales al instante con fórmulas completas paso a paso.

Client-Side
CALCULADORAS

Calculadora de Edad

Calcule la edad exacta en años, meses, días, horas y minutos, además de los días restantes hasta el próximo cumpleaños.

Client-Side
CALCULADORAS

Conversor de Unidades

Convierta entre longitud, peso, temperatura, área, volumen y velocidad con alta precisión y factores estándar SI.

Client-Side
CALCULADORAS

Calculadora de Fechas

Calcule calculadora de date con fórmulas detalladas paso a paso y alta precisión en el cliente.

Client-Side