Calculadora de Probabilidad

Use the free online Calculadora de Probabilidad tool. Fast, private and easy to use — runs entirely in your browser. Part of our Calculadoras collection.

Calculadora de Porcentaje

Percent (X%) Of value (Y) Part (for reverse)

Work out a percentage of a number, or what percentage one number is of another.

Calculadora de Promedio

Numbers (comma or space separated)

Calculate the mean, median, sum, count, minimum and maximum of a list of numbers.

Calculadora de Margen de Beneficio

Cost Revenue (or leave 0) Target margin % (if no revenue)

Find profit, margin and markup from cost and revenue — or the revenue needed for a target margin.

Calculadora de Descuento

Original price Discount %

See the final price after a discount and how much you save.

Calculadora de IVA

Amount Rate % Mode

Add or remove GST/VAT at any rate to get net, tax and gross amounts.

Calculadora de Comisiones PayPal

Amount Percent fee % Fixed fee

Estimate PayPal fees and the amount to request so you receive what you need.

Calculadora de Comisiones Stripe

Amount Percent fee % Fixed fee

Estimate Stripe processing fees and the charge needed to net a target amount.

Calculadora de CPM

Campaign cost Impressions CPM (leave 0 to solve)

Calculate CPM, total cost or impressions for an ad campaign — fill any two.

Calculadora de Probabilidad

P(A) — 0 to 1 P(B) — 0 to 1

Compute the probability of A and B, A or B, not A, and neither for independent events.

Calculadora de Intervalo de Confianza

Sample mean Standard deviation Sample size (n) Confidence level

Find the confidence interval for a mean at 90%, 95% or 99% confidence.

Calculadora de Días

Start date End date

Count the number of days, weeks and months between two dates.

Calculadora de Horas

Start time End time

Work out the hours and minutes between two times, including overnight shifts.

Calculadora de Meses

Start date End date

Count the whole months — and years plus months — between two dates.

Calculadora de TDEE

Gender Age Height (cm) Weight (kg) Activity level

Estimate your Total Daily Energy Expenditure (TDEE) and calorie targets for weight goals.

Preguntas Frecuentes

Is the Calculadora de Probabilidad free to use?

Yes. The Calculadora de Probabilidad is completely free with no sign-up, no limits and no watermarks. You can use it as many times as you like.

Is the Calculadora de Probabilidad safe and private?

Absolutely. The Calculadora de Probabilidad runs entirely in your browser, so your data never leaves your device and nothing is uploaded to a server.

Do I need to install anything to use the Calculadora de Probabilidad?

No installation is needed. The Calculadora de Probabilidad works instantly online in any modern browser on desktop, tablet or mobile.

Does the Calculadora de Probabilidad work on mobile phones?

Yes. The Calculadora de Probabilidad is fully responsive and works smoothly on iPhone, Android and any other device.