Calculators | ConvertSite

Estimate how many tiles or flooring planks and full boxes to order, including layout waste and material cost.

Estimate fixed loan payments, financed fees and total borrowing cost across monthly, biweekly, weekly, quarterly or annual schedules.

Calorie Calculator

Estimate your basal metabolic rate, maintenance calories and a cautious goal range from your age, sex, height, weight and usual activity level.

Home Equity Loan Calculator

Instantly determine if you’re eligible for a home equity loan or HELOC and discover how much you can borrow.

Car Loan Calculator

Input the vehicle price, interest rate, loan period, and deposit to calculate your monthly payments for a car loan.

APY Calculator

Instantly calculate the annual percentage yield on your savings or investments for the real rate of return.

Percentage Calculator

Quickly and accurately calculate percentages for various use cases like financial planning, business applications, and health and fitness.

Margin Calculator

Calculate profit, margin and markup, or work backwards to a target selling price with VAT or GST shown separately.

Business Loan Calculator

Estimate business loan repayments and compare financing scenarios using your loan amount, interest rate and repayment term.

BMI Calculator

Quickly and accurately calculate your body mass index (BMI). Check if you’re underweight, overweight, or normal range.

Retirement Calculator

Use your age, income, savings and planned retirement age to explore an illustrative retirement savings scenario, not a guaranteed retirement amount.

Timesheet Calculator

Enter a 5- or 7-day schedule to calculate net worked hours, billable and non-billable time, configurable weekly overtime, estimated pay, and an invoiceable amount.

Mortgage Calculator

Quickly and accurately calculate your monthly mortgage repayments. Include data like taxes, HOA, and PMI if needed.

ROI Calculator

Input your investment and return amounts to instantly calculate gain/loss and your return on investment percentage.

Solar Calculator

Instantly estimate the solar capacity you need, how much it’ll cost, and your solar power payback period.

Hours Calculator

Quickly calculate the number of hours between two times. Get results in total hours and minutes, decimal hours, and minutes only.

MET Calculator

Use your MET calculator to instantly estimate how many calories you burn in a set timeframe for a specific activity.

Glucose Ketone Index (GKI) Calculator

Quickly calculate your glucose ketone index (GKI). Our GKI calculator conveniently lets you enter blood glucose in mg/dL or mmol/L.

Cubic Yard Calculator

Quickly calculate cubic yards, cubic feet, or cubic meters. Get instant calculations for construction materials like gravel, cement, sand, and more.

Aspect Ratio Calculator

Calculate and scale image or video dimensions, then see crop or letterbox guidance for common platform presets.

Break-Even Calculator

Estimate the whole units and revenue needed to cover fixed costs and a target profit, including an optional stepped fixed-cost increase.

Square Footage Calculator

Calculate total and billable area across multiple rooms or shapes, subtract openings, add waste and estimate project cost.

Discount & Percent-Off Calculator

Calculate the final price after stacked discounts, then see effective savings, margin and profit impact, required sales volume, and the discount needed for a target price.

Concrete Calculator

Estimate concrete volume, wet weight, full bags, truckloads and material cost for slabs, footings, columns and curbs, with quantity and waste included.

ROAS Calculator

Evaluate campaign efficiency beyond revenue alone by comparing ROAS, contribution profit and the revenue multiple needed to break even.

Service Hourly Rate Calculator

Work backwards from the income you want to earn and the hours you can realistically bill to estimate a sustainable hourly or day rate.

Compound Interest Calculator

Estimate nominal and inflation-adjusted future value from a starting balance, return rate, compounding schedule, recurring contribution input, and time horizon.

CAC & LTV Calculator

Bring acquisition cost, customer volume, recurring revenue, margin and churn into one view to evaluate the economics of acquiring a customer.

Job Cost & Labor Burden Calculator

Turn labor and job expenses into a transparent true-cost estimate, target sell price, profit amount, and quote-ready cost breakdown.

Commission Calculator

Calculate gross tier commission, effective rate and net payout with a progressive accelerator, optional cap, participant split and current-period recoverable draw.

Business Days Calculator

Count working days in a date range or find a deadline from a start date, with editable workweeks and holiday exclusions.

Paint Calculator

Estimate paint and optional primer for one or more matching rectangular rooms, then calculate whole containers, material cost, labor and a quote range.

Which Interactive Tool Is Right for Your Website?

Answer four questions to find out whether your website needs a calculator, fit-finder quiz, configurator or a clearer offer page—and get a practical recommendation.

Target Margin Calculator

Work backwards from a target profit margin to find the selling price, maximum cost, revenue or unit volume your plan requires.

Contribution Margin Calculator

Calculate how much each sale and your expected volume contribute toward fixed costs, with an optional break-even estimate.

Gravel & Mulch Calculator

Estimate gravel or mulch volume, weight, bags, bulk loads and delivered cost across up to three measured areas.

Running Pace Calculator

Enter a distance and finish time to calculate pace per kilometre and mile, average speed, projected race times and even splits.

Website and landing page builder quiz

Compare 14 platforms for websites, landing pages, and interactive tools. Answer six to seven questions to get three matches, with fit scores and trade-offs.

Free online calculators for finance, health, business, and more.

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