AllCalculate
Free Business Calculators
Professional-grade calculators for contractors, business owners, and homeowners. No signup required.
Finance
Mortgage Calculator
Monthly payment, total interest, and amortization schedule.
Compound Interest Calculator
Investment growth over time with compound returns.
Paycheck Calculator — Florida
Take-home pay with no state income tax. Federal deductions included.
Loan Calculator
Monthly payment, total interest, and total cost for any loan.
Tip Calculator
Calculate tip amount and split the bill between multiple people.
Income Tax Calculator
2026 federal income tax estimate with effective and marginal rates.
Salary Calculator
Convert between hourly, weekly, monthly, and annual salary.
Amortization Calculator
Full loan amortization schedule with principal and interest breakdown.
Auto Loan Calculator
Monthly car payment with interest breakdown and total cost.
Retirement Calculator
Project your retirement savings and monthly income at retirement age.
Refinance Calculator
Monthly savings, break-even point, and lifetime savings from refinancing.
Inflation Calculator
Adjust historical dollar amounts for inflation using CPI data (1913–2024).
VAT / Sales Tax Calculator
Add VAT to a price or extract VAT from a total. Multiple tax rates.
Health
BMI Calculator
Body mass index for adults with healthy range guidance.
Calorie Calculator
Daily calorie needs based on activity level and goals.
Pregnancy Due Date Calculator
Calculate your due date and key pregnancy milestones from LMP.
BAC Calculator
Estimate blood alcohol content using the Widmark formula.
Macros Calculator
Daily protein, fat, and carb targets based on your goals.
Protein Calculator
Daily protein intake recommendation by weight, activity, and goal.
Sleep Cycle Calculator
Optimal wake-up times based on 90-minute sleep cycles.
Carbon Footprint Calculator
Estimate your annual CO₂ emissions from home, travel, and diet.
Business
Margin vs Markup Calculator
Understand the difference between gross margin and markup percentage.
Contractor Break-Even Calculator
Find the revenue you need to cover costs and start profiting.
Overtime Pay Calculator
Total gross pay with regular and overtime hours at 1.5x rate.
TikTok Earnings Calculator
Estimate your TikTok creator fund and brand deal earnings.
Home Services
Cleaning Service Price Calculator
Estimate professional cleaning costs for your home or office.
HVAC Load Calculator
BTU sizing for heating and cooling systems by room or whole home.
Lawn Care Pricing Calculator
Quote lawn mowing, fertilizing, and landscaping jobs.
Square Footage Calculator
Calculate area for rooms in multiple shapes with flooring cost estimate.
Concrete Calculator
Cubic yards for slabs, columns, and stairs. Includes bag count.
Asphalt Calculator
Tons of asphalt needed for driveways and parking lots by depth.
Paint Calculator
Gallons of paint needed for rooms with doors, windows, and coats.
Roofing Calculator
Roofing squares, bundles, and material cost by pitch factor.
Tile Calculator
Tiles and boxes needed for any room with custom size and waste factor.
Drywall Calculator
Drywall sheets for walls and ceilings minus doors and windows.
Electrical Load Calculator
Total electrical load vs. panel capacity using the NEC 80% rule.
Mulch Calculator
Cubic yards of mulch needed with bag vs. bulk cost comparison.
Plumbing Pipe Calculator
Pipe footage, sticks needed, and material cost for PEX, copper, and CPVC.
Roof Pitch Calculator
Pitch ratio, angle, slope percentage, and actual roof area from rise/run or degrees.
Paint Coverage Calculator
Gallons of paint needed and cost estimate based on area, coats, and paint type.
Drywall Sheets Calculator
Sheets, joint compound, and tape needed for any room with waste included.
Plumbing Pipe Size Calculator
Recommended pipe diameter for supply or DWV systems based on fixture unit load.
Deck Material Calculator
Deck boards, joists, screws, and material cost for any deck size and board type.
Fence Calculator
Posts, rails, pickets, hardware, and material cost for wood, vinyl, or split-rail fences.
Grass Seed Calculator
Pounds of seed, number of bags, and cost for new lawns or overseeding by grass type.
Math
Percentage Calculator
Calculate percentages, percent change, and what % of a number.
Age Calculator
Calculate your exact age in years, months, and days.
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step work.
Date Calculator
Days between two dates, or add/subtract days from any date.
Standard Deviation Calculator
Mean, median, mode, variance, and standard deviation for any data set.
Probability Calculator
Calculate single, AND, and OR probabilities as fraction and percentage.
Binary Converter
Convert between binary, decimal, hexadecimal, and octal instantly.
Fun
Love Compatibility Calculator
Calculate relationship compatibility score based on names and birthdays.
Dog Years Calculator
Convert your dog's age to human years using breed size and science.
Zodiac Sign Calculator
Find your sun, moon, and rising sign from your birth date and time.
Age in Days Calculator
How many days, hours, and minutes old are you exactly?
Screen Time Cost Calculator
Calculate how much time and money you spend on streaming services.
Pokémon Type Calculator
Type effectiveness chart — strengths, weaknesses, and immunities.
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