All Calculators
89 free calculators across finance (loan, mortgage, APR/APY, amortization), tax and salary, health (BMI, BMR, TDEE), math (percentage, fraction), and more. All with modern, responsive design.
Scientific Calculator
Evaluate expressions with advanced functions: sin, cos, tan, ln, log, sqrt, powers, factorial, and more.
Mortgage Calculator
Estimate monthly mortgage payments, total interest, and total cost over the loan term.
Loan Calculator
Compute fixed-rate loan payments and totals for any principal, rate, and term.
BMI Calculator
Calculate Body Mass Index (BMI) with metric or imperial units and see category ranges.
Percentage Calculator
Find percentages, percentage change, and what percent one number is of another.
Age Calculator
Compute exact age in years, months, and days from a date of birth.
Date Difference Calculator
Find the difference between two dates in days, weeks, months, and years.
Auto Loan Calculator
Estimate monthly auto loan payments and total cost.
Simple Interest Calculator
Compute simple interest and final amount.
Sales Tax Calculator
Calculate sales tax and totals.
Interest Calculator
Calculate simple or compound interest.
Amortization Calculator
Generate amortization schedules for loans.
Investment Calculator
Project investment growth over time.
Tax Calculator (AI)
Generate country-specific income tax calculators with AI.
Compound Interest Calculator
Calculate the future value with compounding.
Payment Calculator
Compute payment amounts for loans.
Retirement Calculator
Estimate retirement savings and withdrawals.
Financial Freedom Calculator
See how long to reach target monthly income or how much principal you need.
Currency Calculator
Convert between currencies.
Inflation Calculator
Adjust values for inflation.
Mortgage Payoff Calculator
See payoff timelines.
Salary Calculator
Estimate gross to net pay.
Interest Rate Calculator
Solve for rate.
Savings Calculator
Project savings growth.
Rent Calculator
Assess rental affordability.
Credit Card Calculator
Payment and interest estimates.
Debt Payoff Calculator
Snowball/avalanche plans.
Student Loan Calculator
Estimate payments and payoff.
CD Calculator
Certificate of deposit growth.
ROI Calculator
Return on investment.
APR Calculator
Annual percentage rate.
House Affordability Calculator
Estimate target price.
Present Value Calculator
Discounted cash flow.
Future Value Calculator
Value at a future date.
Payback Period Calculator
Time to break even.
IRR Calculator
Internal rate of return.
Budget Calculator
Track monthly budget.
Refinance Calculator
Compare refinance options.
Boat Loan Calculator
Estimate boat loan payments.
Lease Calculator
Auto lease payment.
FHA Loan Calculator
FHA details and PMI.
VA Mortgage Calculator
VA loan factors.
Down Payment Calculator
Plan down payments.
Rent vs. Buy Calculator
Compare renting to buying.
Commission Calculator
Compute commission payouts.
Mortgage Calculator UK
UK mortgage estimates.
Canadian Mortgage Calculator
Canada mortgage estimates.
Mortgage Amortization Calculator
Detailed mortgage schedule.
Percent Off Calculator
Discounts and savings.
Calorie Calculator
Estimate daily calories.
Body Fat Calculator
Body fat estimate.
BMR Calculator
Basal metabolic rate.
Macro Calculator
Protein, carbs, fat targets.
Ideal Weight Calculator
Target weight ranges.
Pregnancy Calculator
Key dates and milestones.
Due Date Calculator
Estimate due date.
Pace Calculator
Run pace and splits.
TDEE Calculator
Total daily energy expenditure.
Fraction Calculator
Operate with fractions.
Triangle Calculator
Triangle sides/angles.
Volume Calculator
3D shapes volume.
Standard Deviation Calculator
Population/sample SD.
Random Number Generator
Generate random numbers.
Quadratic Formula Calculator
Solve ax^2+bx+c=0.
Circle Calculator
Area and circumference from radius.
Rectangle Calculator
Area and perimeter from width/height.
Right Triangle Calculator
Hypotenuse and area from legs.
Trapezoid Calculator
Area from bases and height.
Regular Polygon Calculator
Perimeter and area from n and side.
Sphere Calculator
Surface area and volume from radius.
Cylinder Calculator
Surface area and volume from r,h.
Cone Calculator
Surface area, volume, and slant.
NUST GPA Calculator
Compute semester GPA using the NUST grading scale.
Pakistan Income Tax Calculator
Estimate annual and monthly tax with current slabs.
India Income Tax Calculator (New Regime)
FY 2024-25 with cess; verify with latest CBDT tables.
Life Expectancy Estimator
Heuristic-based estimate; not medical advice.
Zakat Calculator (Islamic)
Calculate zakat on cash, gold, and assets.
Gold Gram ↔ Tola Converter
Convert between grams, tolas, ounces instantly.
Fuel Cost Calculator
Estimate fuel cost per trip or per month.
Trip Cost Calculator (Fuel + Tolls)
Plan road trip expenses with fuel and tolls.
Solar Savings Calculator (PK)
Estimate payback and monthly bill reduction.
Electricity Bill Estimator (PK)
Rough bill estimate by units and slab.
Salary Percentile (PK)
Estimate where your pay ranks nationally.
Dog Age to Human Years
Convert dog age to human age by breed size.
Sleep Cycle Calculator
Ideal sleep/wake times by 90‑min cycles.
Daily Water Intake
Recommended hydration by weight/activity.
Meme Coin Profit Calculator
Track gains from entry price to target.
Cricket Run Rate Calculator
RR and required RR for chases.
Event Countdown Timer
Count down to special events with social sharing.