Intégrez les calculatrices CalcOnce

Ajoutez des calculatrices professionnelles et responsives à votre site web en quelques secondes. Gratuit, sans inscription.

Comment ça fonctionne

1

Choisissez une calculatrice

Parcourez notre collection de plus de 30 calculatrices pour la construction, la finance, la santé et l'usage quotidien.

2

Copiez le code d'intégration

Cliquez sur n'importe quelle calculatrice ci-dessous pour obtenir le code d'intégration. Choisissez parmi plusieurs options de taille.

3

Collez dans votre site

Ajoutez le code iframe à votre HTML, WordPress, Webflow ou tout constructeur de site web.

Calculatrices disponibles

Construction11

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

Finance23

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

Santé et mode de vie7

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

Quotidien28

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

Options de personnalisation

Options de taille

-Petit (320x450) : Parfait pour les barres latérales
-Moyen (400x500) : Équilibré pour la plupart des usages
-Grand (500x600) : Affichage complet
-Responsif (100%) : S'adapte à la largeur du conteneur

Fonctionnalités

-Design épuré et minimaliste sans publicité
-Responsif et compatible mobile
-Chargement rapide avec support de chargement différé
-Marque discrète « Propulsé par CalcOnce »

Conditions d'utilisation

En intégrant les calculatrices CalcOnce sur votre site web, vous acceptez les conditions suivantes :

Gratuit pour tous les usages : Vous pouvez intégrer nos calculatrices sur des sites web personnels, commerciaux ou éducatifs sans frais.
Attribution requise : Le lien « Propulsé par CalcOnce » doit rester visible et cliquable. Ne modifiez pas, ne supprimez pas et ne masquez pas la marque.
Aucune modification : N'essayez pas de modifier, pirater ou faire de l'ingénierie inverse sur les calculatrices intégrées.
Pas de restriction de cadre : Vous ne pouvez pas placer l'intégration dans des cadres empêchant les utilisateurs d'accéder à CalcOnce.
Avertissement de précision : Les calculs sont fournis à titre informatif uniquement. CalcOnce n'est pas responsable des décisions prises sur la base des résultats des calculatrices.
Disponibilité du service : Nous visons un temps de disponibilité de 99,9 % mais ne garantissons pas un service ininterrompu.

Nous nous réservons le droit de mettre à jour ces conditions à tout moment. L'utilisation continue des intégrations constitue l'acceptation de tout changement.