Directory of Calculators
A complete list of every tool available on CalculatorsCollection. Use the search to find what you need.
Health & Body
BMI Calculator
Calculate your body mass index and find your weight category and healthy range.
Pregnancy Due Date Calculator
Estimate your baby's due date and track key milestones with science-backed formulas.
Calorie & TDEE Calculator
Find your daily maintenance calories and target intake for weight loss or gain.
Macro Calculator
Calculate your protein, fat, and carb ratios for muscle building or fat loss.
Sleep Debt Calculator
Calculate your total sleep deficit and create a recovery plan to catch up.
NDI Calculator
Calculate your Neck Disability Index and cervical disability score instantly.
BGSI Trophy Score
Calculate your hunting trophy antler score instantly using the Big Game Score Index.
QTc Interval Calculator
Calculate corrected QT interval using Bazett, Fridericia, Framingham, and Hodges formulas.
Everyday & Gaming
House Repiping Cost
Estimate the cost of replacing your home's plumbing with PEX or Copper.
Concrete Cost Calculator
Estimate materials and labor for pads, driveways, and slabs.
Marble Flooring Cost
Estimate material and professional installation costs for marble tiles.
Raised Floor Cost
Calculate parts and installation for data centers and office access flooring.
Rent Per Square Foot
Analyze commercial or residential rent pricing relative to total floor area.
Seawall Cost Calculator
Estimate the cost of marine retaining walls and shoreline protection.
Time Addition Calculator
Add hours, minutes, and seconds for payroll, video editing, or production.
Roblox Tax Calculator
Calculate Robux after the 30% marketplace cut and estimate USD value.
D&D 5e HP Calculator
Calculate hit points by class and level with various bonus support.
D&D Ability Score Tool
Build your character stats using Point Buy, Standard Array, or rolls.
Pokemon Type Calculator
Check super-effective moves and type resistances to become a master trainer.
WoW Talent Calculator
Plan your World of Warcraft talent builds for Dragonflight and Classic expansions.
Karmic Debt Calculator
Find your numerology karmic numbers and learn their meanings for life lessons.
AZ Car Reg
Arizona Vehicle License Tax (VLT) and fee estimator.
Cocktail Gross Profit Tool
Optimize bar margins and pour costs for professional hospitality management.
Legal Date Calculator
Calculate court deadlines, filing dates, and response periods with US holiday logic.
GPA Calculator
Calculate your semester and cumulative GPA on a 4.0 scale with automated grade points.
Georgia Speeding Ticket
Estimate the total cost of a Georgia speeding citation including state surcharges.
US Passport Fee Calculator
Calculate application, execution, and expedited service fees for 2024.
Finance & Retirement
Mortgage Calculator
Calculate monthly payments including taxes, insurance, and PMI with full amortization.
CSRS Retirement Calculator
Estimate your federal pension annuity based on High-3 salary and service years.
UPS Retirement Calculator
Estimate your Teamsters pension based on service years and local rates.
UPS Pension by Age
Analyze how early retirement affects your UPS Teamsters pension payout.
Compound Interest Calculator
Project long-term wealth growth through the power of compounding interest.
Best Car Loan Calculator
Calculate auto payments, total interest, and taxes.
RV & Camper Loan Calculator
Estimate monthly payments and total interest for motorhomes and trailers.
Camper Loan Calculator
Analyze monthly payments and total interest for RVs and motorhomes.
Motorcycle Loan Calculator
Estimate monthly payments and total interest for bikes.
Loan EMI Calculator
Plan your monthly installments for any personal, car, or home loan.
Loan Prepayment Calculator
Calculate interest savings and see how fast you can pay off your loan with extra payments.
Debt-to-Income Ratio
Calculate your DTI ratio to see if you qualify for a mortgage or personal loan.
Math & Science
Runline Calculator
Calculate MLB runline payouts, implied probabilities, and profit margins instantly.
Percentage Calculator
Calculate percentages, percent change, and difference with step-by-step math explanations.
Maryland Salary
MD paycheck estimator with state and county taxes.
W-4 Calculator
Federal withholding for the 2024 IRS form.
ARM Loan Tool
Plan for adjustable mortgage changes and caps.
kVA Calculator
Convert kilovolt-amperes to kilowatts and amps for electrical power systems.
TI-82 Calculator Online
Free graphing calculator simulator for functions, data tables, and scientific calculations.
Matrix Determinant Calculator
Calculate determinants for 2x2, 3x3, and 4x4 algebraic matrices.
Business & Pricing
Chicken Cost Calculator
Calculate feed, setup, and ROI to find your real cost per egg.
Auto Loan Comparison
Compare up to three auto loan offers side-by-side to find the lowest total cost.
Pool Loan Calculator
Estimate monthly payments and annual ownership costs for inground and above-ground pools.
Student Loan SAVE Plan
Estimate your monthly payments and interest subsidies under the federal SAVE repayment plan.
Quilt Cost Calculator
Estimate material and labor costs to set a fair selling price for your quilts.
Cookie Pricing Calculator
Calculate your cost per cookie and minimum selling price for your home bakery business.
Crypto Profit Calculator
Estimate gains, losses, and net ROI for any cryptocurrency trade.
Gas Station Profit Calculator
Analyze fuel margins and C-store profitability.
Lost Profits Calculator
Determine economic damages and lost operational income.
Movie Profit Calculator
Analyze film theatrical profitability and studio revenue.
Frequently Asked Questions
How to use this tool?
Simply enter your values in the input fields and click the calculate button to get instant results.
Is this tool free to use?
Yes, all calculators on our platform are completely free to use with no hidden charges.
How accurate are the results?
Our tools use industry-standard formulas to ensure the highest level of accuracy for all calculations.
Can I use this on mobile?
Absolutely! Our website is fully responsive and works seamlessly on all devices including mobile phones and tablets.
Do you store my data?
No, all calculations are performed locally in your browser and we do not store any of your personal data.