All Calculators

121 calculators across 9 categories โ€” find exactly what you need.

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Finance

Loans, investments, taxes, retirement โ€ข 69 calculators

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Mortgage Calculator

Monthly payment with taxes, insurance, PMI, HOA, extra payments, and full amortization schedule.

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Amortization Calculator

Full amortization schedule with extra payments, one-time lump sums, charts, and interest savings.

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Auto Loan Calculator

Monthly car payment with trade-in, rebates, taxes, fees, and full amortization breakdown.

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Compound Interest

Project investment growth with compounding, regular contributions, and year-by-year schedule.

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Retirement Savings

4-mode retirement planner: savings projection, target nest egg, withdrawal amount, and duration.

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Finance Calculator

TVM solver: compute Future Value, Present Value, Payment, Rate, or Number of Periods.

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Tax Calculator

Estimate federal income tax with 2024 brackets, standard/itemized deductions, and effective rate.

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House Affordability

How much home can you afford? Based on income, debt, down payment, and DTI ratios.

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Investment Calculator

Project investment growth with contributions, inflation adjustment, tax impact, and year-by-year table.

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Savings Calculator

Calculate final balance, required contribution, interest rate, or time to reach your savings goal.

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Loan Calculator

Solve for monthly payment, loan amount, term, or interest rate with full amortization schedule.

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Budget Calculator

Comprehensive personal budget planner with 35 categories, income tax, expense breakdown, and surplus/deficit.

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Retirement Calculator

Retirement readiness analysis with Social Security, pension, inflation, and funding gap calculation.

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401(k) Calculator

Project 401(k) balance with employer match, contribution limits, and year-by-year growth table.

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Credit Card Payoff

Pay off your credit card with minimum payment, fixed payment, or payoff-by-date strategies.

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Salary โ†” Hourly

Convert between salary and hourly rate with tax estimates, deductions, and all pay periods.

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Inflation Calculator

See how purchasing power changes over time with 110 years of US CPI data.

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Interest Rate Calculator

Find the interest rate on a loan or investment given PV, FV, payment, and term.

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Rent Affordability

How much rent can you afford? Based on income, debt, and standard housing ratios.

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Estate Tax Calculator

Estimate federal estate tax liability with 2024 exemptions and graduated brackets.

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Social Security Calculator

Estimate monthly Social Security benefits at different claiming ages.

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Annuity Payout Calculator

Calculate annuity payouts from a lump sum, or find the lump sum needed for target income.

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Debt Consolidation

Compare current debt payments vs. a consolidation loan with per-debt charts and payoff schedules.

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Student Loan Calculator

Monthly payments and payoff timeline for student loans with multiple repayment plans.

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Simple Interest Calculator

Calculate simple interest, total amount, or solve for rate, principal, or time.

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Bond Calculator

Bond price, yield to maturity, duration, and coupon payment calculator.

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Roth IRA Calculator

Project Roth IRA growth with contributions, income limits, and tax-free withdrawal scenarios.

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RMD Calculator

Calculate Required Minimum Distributions from IRAs and 401(k)s using IRS life expectancy tables.

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Cash Back vs. Low Interest

Compare dealer cash back vs. low-interest financing โ€” which saves more money?

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Depreciation Calculator

Asset depreciation: Straight-Line, DDB, SYD, Declining Balance, or MACRS with full schedule.

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Margin Calculator

Calculate gross margin, markup, revenue, or cost with visual breakdown.

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Business Loan Calculator

Term, SBA, or line of credit โ€” monthly payment, APR with fees, and amortization schedule.

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Personal Loan Calculator

Monthly payment, total interest, and APR for personal loans with credit score rate presets.

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Lease Calculator

Car lease monthly payment from MSRP, money factor, residual, and term.

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Budget Calculator

Complete personal finance budget with 35 categories, tax, expense chart, and monthly/annual view.

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IRR Calculator

Internal Rate of Return, NPV, and MIRR for up to 50 custom cash flows.

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APR Calculator

True Annual Percentage Rate including all fees โ€” compare loan offers accurately.

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VA Mortgage Calculator

VA loan monthly payment with funding fee, no PMI, and veteran benefit explanation.

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HELOC Calculator

Home equity line of credit โ€” draw period, repayment period, interest, and max credit line.

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Rent vs. Buy Calculator

Comprehensive rent vs. buy comparison with equity, tax benefits, investment returns, and break-even.

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Present Value Calculator

PV of a lump sum or annuity with discount rate, compounding frequency, and period table.

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Commission Calculator

Calculate commission amount, rate, or sale price โ€” including tiered commission structures.

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Canadian Mortgage Calculator

Canadian mortgage with semi-annual compounding, CMHC insurance, and term vs. amortization.

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Percent Off Calculator

Calculate sale price, discount amount, savings percentage, or tax-inclusive final price.

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Interest Calculator

Simple vs. compound interest with contributions, effective annual rate, and year-by-year table.

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Mortgage Payoff Calculator

Impact of extra monthly or annual mortgage payments โ€” interest saved and time shaved off.

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Sales Tax Calculator

Before/after tax price, tax amount, or find tax rate โ€” with all 50 US state rates.

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Wedding Cost Calculator

Wedding budget planner with 16 cost categories, national average ranges, and per-guest cost.

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Pension Calculator

Defined Benefit or Defined Contribution pension โ€” monthly income, survivor benefit, and lifetime payout.

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Repayment Calculator

Find your loan repayment amount or payoff time. Supports all compounding frequencies.

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College Cost Calculator

Estimate future college costs with inflation, savings growth, and 529 plan tax benefits.

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CD Calculator

Certificate of deposit calculator with APY/APR conversion, compounding options, and tax impact.

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Mutual Fund Calculator

Project mutual fund growth with expense ratios, loads, capital gains tax, and annual fee drag.

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IRA Calculator

Traditional vs Roth IRA comparison with tax deductions, tax-free growth, and 4% rule income.

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VAT Calculator

Add or remove VAT from prices. Supports 20+ country presets, all major currencies, and three solve modes.

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Auto Lease Calculator

Full lease payment breakdown: money factor, residual value, depreciation, and equivalent APR.

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Average Return Calculator

Calculate arithmetic mean, CAGR, standard deviation, and year-by-year portfolio growth.

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Discount Calculator

Three solve modes: find sale price, find discount %, or find original price.

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Debt Ratio Calculator

Calculate front-end and back-end DTI, debt-to-asset ratio, and net worth.

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Take-Home Pay Calculator

US paycheck with 2024 federal brackets, FICA, state taxes, filing status, and deductions.

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Boat Loan Calculator

Boat financing with sales tax, title fees, trade-in, and total cost of ownership.

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Refinance Calculator

Compare current vs refinanced loan side-by-side with break-even point and cash-out options.

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Rental Property Calculator

Full rental property analysis: cash flow, NOI, cap rate, cash-on-cash return, and projections.

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ROI Calculator

Return on investment with annualized ROI, NPV, benefit-cost ratio, and multi-investment compare.

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FHA Loan Calculator

FHA mortgage with upfront and annual MIP, 3.5% down payment, and full monthly breakdown.

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Home Equity Loan Calculator

Home equity loan vs HELOC comparison with available equity, LTV, and monthly payment.

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Down Payment Calculator

Plan your home down payment with savings projections, time to goal, and PMI savings.

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Payback Period Calculator

Simple and discounted payback period with cash flows, profitability index, and NPV.

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Mortgage Calculator UK

UK mortgage with pound sterling, deposit, repayment vs interest-only, and SDLT stamp duty.

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Health

BMI, nutrition, pregnancy, body composition โ€ข 27 calculators

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BMI Calculator

Body Mass Index with WHO classification, healthy weight range, BMI Prime, and visual gauge.

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BMI Calculator (Full)

Extended BMI with anorexic/overweight indicators, body fat estimate, BMI Prime, ponderal index.

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Calorie Calculator

TDEE and daily calorie target with macro breakdown, activity levels, and weight-loss timeline.

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Pregnancy Calculator

Pregnancy info from due date, last period, conception, ultrasound, or IVF with trimester milestones.

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Pregnancy Conception Calculator

Estimate due date, conception window, and milestones from LMP, conception date, or due date.

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Due Date Calculator

Estimate your due date from last period, conception, ultrasound, or IVF transfer date.

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Ovulation Calculator

Predict fertile windows and ovulation days for the next 3 cycles.

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Period Calculator

Track upcoming periods, fertile windows, and ovulation days for 6 cycles ahead.

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Pregnancy Weight Gain

IOM-guideline based weight gain tracker for pregnancy with BMI classification.

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Ideal Body Weight

Estimate ideal body weight using Hamwi, Devine, Miller, and Robinson clinical formulas.

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Macro Calculator

Personalized protein, carb, and fat targets based on your goals and activity level.

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One-Rep Max (1RM)

Estimate your maximum lift using 7 formulas including Epley, Brzycki, and Lander.

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Target Heart Rate

Find your cardio training zones using Karvonen, Haskell, or Tanaka formula.

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Blood Alcohol Content

Estimate BAC using Widmark formula with multiple drink types and BAC timeline.

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Body Fat Calculator

Calculate body fat % using US Navy, BMI, or Jackson/Pollock skinfold methods.

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BMR Calculator

Basal Metabolic Rate using Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle formulas.

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TDEE Calculator

Total Daily Energy Expenditure with all activity levels, all BMR formulas, and goal-based calorie table.

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Healthy Weight Calculator

Healthy weight range using Hamwi, Devine, Miller, Robinson formulas and BMI range.

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Lean Body Mass Calculator

LBM using Boer, James, Hume, and BF%-based formulas in US and metric units.

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Army Body Fat Calculator

US Army body fat measurement method with pass/fail by age group and sex.

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Carbohydrate Calculator

Daily carb intake recommendation based on calories, goal, and activity level.

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Protein Calculator

Daily protein intake recommendation with range by goal: maintain, lose, build muscle, athlete.

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Fat Intake Calculator

Daily fat intake range (20โ€“35% of calories) with saturated fat max and goal-based targets.

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Body Type Calculator

Identify your body shape (Hourglass, Pear, Apple, Rectangle, Inverted Triangle) with style tips.

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Weight Watchers Points Calculator

Calculate SmartPoints, PointsPlus, and Original Points budget and food points.

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GFR Calculator

Estimated GFR (eGFR) using CKD-EPI, MDRD, and Cockcroft-Gault formulas with CKD staging.

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Body Surface Area Calculator

BSA using Du Bois, Mosteller, Haycock, Gehan, Boyd, and Fujimoto formulas.

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Fitness

Running, workouts, calories burned โ€ข 2 calculators

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Math

Geometry, conversions, fractions โ€ข 6 calculators

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Stats

Mean, deviation, z-score, sampling โ€ข 4 calculators

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Education

GPA, grades, academic tools โ€ข 2 calculators

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Lifestyle

Age, time, travel, everyday tools โ€ข 5 calculators

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Utility

Construction, networking, security โ€ข 3 calculators

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Gig Economy

Rideshare, delivery, freelance earnings โ€ข 3 calculators