Integra las calculadoras de CalcOnce

Agrega calculadoras profesionales y responsivas a tu sitio web en segundos. Gratis, sin registro.

Cómo funciona

1

Elige una calculadora

Explora nuestra colección de más de 30 calculadoras para construcción, finanzas, salud y uso cotidiano.

2

Copia el código de integración

Haz clic en cualquier calculadora a continuación para obtener el código de integración. Elige entre múltiples opciones de tamaño.

3

Pega en tu sitio

Agrega el código iframe a tu HTML, WordPress, Webflow o cualquier constructor de sitios web.

Calculadoras disponibles

Construcción11

Concrete Calculator

Estimate cubic yards for patios, slabs, footings, driveways

Lumber Calculator

Calculate board feet for decks, framing, and woodworking

Paint Calculator

Calculate gallons for walls, ceilings, trim, and exteriors

Tile & Flooring

Plan tile for bathrooms, kitchens, floors with waste factor

Drywall Calculator

Calculate drywall sheets, mud, and tape for any room

Mulch Calculator

Plan mulch coverage for garden beds and landscaping

Gravel Calculator

Estimate gravel for driveways, pathways, and drainage

Roofing Calculator

Calculate roofing squares for shingles, tiles, or metal

Fence Calculator

Plan posts, rails, and pickets for wood or vinyl fencing

Insulation Calculator

Calculate insulation for walls, attics, and energy savings

Pool Volume Calculator

Calculate gallons for pools and hot tubs

Finanzas23

Loan Calculator

Calculate payments, interest, and payoff timeline

Mortgage Calculator

Compare 15 vs 30-year terms with full amortization

Compound Interest Calculator

See how savings grow with compound interest over time

Salary Converter

Convert salary to hourly, weekly, or monthly pay

Calculate tips and split bills evenly or by item

Calculate ROI for investments, projects, or campaigns

Amortization Calculator

See payment schedule and extra payment impact

Inflation Calculator

See how inflation affects your money over time

Paycheck Calculator

Calculate take-home pay after taxes and deductions

Debt Payoff Calculator

Plan debt payoff with snowball or avalanche method

Retirement Calculator

Plan 401k, IRA, and retirement income needs

Auto Loan Calculator

Calculate monthly car payments and total loan cost

Gas Mileage Calculator

Track fuel costs, MPG, and trip expenses

Sales Tax Calculator

Calculate tax on purchases in any state

Income Tax Calculator

Estimate federal taxes based on income and filing status

Margin Calculator

Calculate gross and net profit margins for pricing

Markup Calculator

Set prices with your target markup percentage

PayPal Fee Calculator

See PayPal fees and net received for any payment

Break-Even Calculator

Find sales needed to cover costs and make profit

Margin vs Markup

Convert margin to markup and understand the difference

Savings Goal Calculator

Plan monthly savings to reach your financial goal

Lease Calculator

Compare lease vs buy with monthly payment breakdown

Net Worth Calculator

Track wealth by listing all assets and debts

Salud y estilo de vida7

Check BMI and see where you fall on the health scale

Calorie Calculator

Find daily calories for weight loss, gain, or maintenance

Body Fat Calculator

Estimate body fat percentage with simple measurements

Due Date Calculator

Calculate due date and track pregnancy week by week

Macro Calculator

Get custom protein, carb, and fat goals for your diet

Sleep Calculator

Find optimal bedtime based on sleep cycles

Ovulation Calculator

Track fertile window and best days to conceive

Cotidiano28

Scientific Calculator

Solve equations with trig, logs, and advanced functions

Find exact age in years, months, days, hours, minutes

Grade Calculator

Calculate final grade and what you need on the exam

Percentage Calculator

Solve any percentage problem: of, increase, decrease

Square Footage Calculator

Calculate square footage for rooms, lots, and shapes

Date Calculator

Count days between dates or add/subtract time

Discount Calculator

Calculate final price after discount and total savings

Hours Calculator

Add work hours for timesheets and invoicing

Fraction Calculator

Solve fraction math and simplify to lowest terms

Calculate semester and cumulative GPA from grades

Convert between metric, imperial, and any units

Time Zone Converter

Convert meeting times across world time zones

Random Number Generator

Pick random numbers for games, raffles, decisions

Probability Calculator

Calculate odds, chances, and combinatorics

Sig Fig Calculator

Count sig figs and round for chemistry and physics

Scientific Notation Calculator

Convert large or small numbers to standard form

Percentage Change Calculator

Find percent change between two values

Slope Calculator

Find slope, y-intercept, and graph any line

Pythagorean Theorem Calculator

Find missing side of a right triangle

Exponent Calculator

Calculate any number raised to any power

Square Root Calculator

Find square roots, cube roots, and nth roots

Solve log problems with base 10, e, or custom base

Find LCM for fractions and math problems

Find GCF to simplify fractions and factor numbers

Mean Median Mode Calculator

Find mean, median, mode, and range of any data

Standard Deviation Calculator

Analyze data spread with standard deviation

P-Value Calculator

Test statistical significance from z or t scores

Confidence Interval Calculator

Find margin of error for surveys and research

Opciones de personalización

Opciones de tamaño

-Pequeño (320x450): Perfecto para barras laterales
-Mediano (400x500): Equilibrado para la mayoría de usos
-Grande (500x600): Visualización completa
-Responsivo (100%): Se adapta al ancho del contenedor

Características

-Diseño limpio y minimalista sin anuncios
-Responsivo y compatible con dispositivos móviles
-Carga rápida con soporte de carga diferida
-Marca discreta "Desarrollado por CalcOnce"

Términos de uso

Al integrar las calculadoras de CalcOnce en tu sitio web, aceptas los siguientes términos:

Gratis para todos los usos: Puedes integrar nuestras calculadoras en sitios web personales, comerciales o educativos sin costo.
Atribución requerida: El enlace "Desarrollado por CalcOnce" debe permanecer visible y clicable. No modifiques, elimines ni ocultes la marca.
Sin modificaciones: No intentes modificar, hackear o realizar ingeniería inversa de las calculadoras integradas.
Sin restricciones de marco: No puedes colocar la integración dentro de marcos que impidan a los usuarios acceder a CalcOnce.
Aviso de precisión: Los cálculos son solo para fines informativos. CalcOnce no es responsable de las decisiones tomadas basándose en los resultados de las calculadoras.
Disponibilidad del servicio: Nos esforzamos por un 99.9% de tiempo de actividad pero no garantizamos un servicio ininterrumpido.

Nos reservamos el derecho de actualizar estos términos en cualquier momento. El uso continuado de las integraciones constituye la aceptación de cualquier cambio.