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Calculate monthly loan payments with interest breakdown

Determine how much you can borrow based on income

Compare multiple loan offers side by side

Plan home loan payoff timeline and interest savings

Plan debt repayment strategies for credit cards

Detailed payment schedule with principal/interest breakdown

Plan a debt payoff order with the snowball method

Calculate how your investment grows over time with compound interest

Compare FD, Stocks & Mutual Funds returns

Plan your retirement savings corpus

Calculate returns from Systematic Investment Plans

Calculate Compound Annual Growth Rate of investments

Plan investments to achieve financial goals

Project dividend income with DRIP

Calculate exponential growth projections

Calculate income tax for India, USA, UK, Canada & Australia

Calculate Goods and Services Tax

Calculate gross profit

Calculate net profit

Calculate EBITDA

Calculate optimal freelance billing rate

Generate invoices with line items, tax, and discounts

Convert W-2 hourly to 1099 equivalent rates

Calculate break-even point in units and revenue

Compare cost-plus, value-based, and competitive pricing

Analyze recruiting funnel conversion metrics

Create and manage personal budget

Calculate total assets minus liabilities

Calculate emergency savings goal

Financial Independence Retire Early calculator

Convert between 150+ currencies with live rates

Calculate discount prices and savings

Split income into needs, wants, and savings by the 50/30/20 rule

Plan monthly savings to hit a target in time

Calculate crypto profit/loss

Calculate mining profitability

Calculate staking rewards

Calculate home affordability

Calculate rent vs buy

Calculate property ROI

Compare renting vs buying long-term

Calculate stamp duty

Estimate home closing costs and fees

Calculate gross and net rental yield

Estimate closing costs by state

Calculate property tax by assessed value

Calculate kitchen and bath remodel ROI

Evaluate investment property returns with cap rate

Calculate interest-only payments

Calculate bi-weekly mortgage

Calculate take-home pay after deductions

Calculate DTI ratio for loan qualification

Calculate student loan payments and payoff

Calculate tips and split bills

Calculate bond yield and YTM

Calculate inflation-adjusted returns

Analyze mortgage refinancing savings

Calculate purchasing power over time

Visual password strength meter with entropy

Estimate password crack time by attack type

Estimate brute-force crack time from entropy bits

Estimate 2FA method strength and entropy

Verify SHA-256 checksums for file integrity

Estimate brute force time for AES and key sizes

Check SSL certificate expiry and issuance info

Calculate network, broadcast, and host ranges

Analyze MAC addresses and convert formats

Learn DNS record types and their purposes

Estimate TCP throughput with overhead and loss

Estimate RTT based on distance and medium

Analyze ping samples, jitter, and packet loss

Scan common ports and measure latency

Explore 2.4/5/6 GHz channels and overlap

Visual confusion matrix with accuracy, precision, recall, F1, MCC

Calculate TPR, FPR, AUC, and Gini coefficient

Min-Max normalization and Z-Score standardization

Calculate train/test sizes with stratified sampling

Variance explained and cumulative variance from eigenvalues

Generate major, minor, modal, pentatonic, and blues scales

Find interval name and cents between two notes

Visual metronome with tap tempo detection

Map frequency to note, octave, and audio band

Calculate safe sun exposure time based on UV index

Convert pollutant concentration to Air Quality Index

Classify hurricanes, tornadoes, and earthquakes

Calculate dew point, humidity, and vapor pressure

Estimate rainwater collection volume and savings

Calculate age-graded race time and performance rating

Estimate VO2 max via HR ratio, Rockport, or Cooper test

Calculate acute:chronic workload ratio and injury risk

Estimate max HR using 6 validated formulas

Calculate 5 heart rate training zones

Plan training macrocycles and mesocycles

Calculate warm-up set progression for lifts

Calculate fat mass, lean mass, and nutrition targets

Track running shoe wear and replacement schedule

Determine optimal rest between sets by goal

Estimate fantasy football points by scoring format

Convert decimal, fractional, and American odds

Calculate fuel economy in MPG, L/100km, and cost per mile

Calculate car loan payments, interest, and LTV ratio

Compare total cost of leasing versus buying a vehicle

Convert horsepower, torque, and compute HP/torque/RPM

Estimate 0-60 time, quarter-mile ET, and trap speed

Calculate tire dimensions and speedometer error

Estimate EV range with temperature and speed effects

Calculate EV charging costs

Calculate vehicle value depreciation

Calculate body mass index

Estimate body fat percentage

Advanced body composition analysis

Calculate ideal body weight

Calculate lean body mass

Measure body fat distribution with waist-to-hip ratio

Calculate one rep max for lifts

Estimate total daily energy expenditure

Estimate calories burned during exercise

Calculate running pace and speed

Estimate aerobic capacity

Interpret blood pressure readings

Calculate target heart rate zones

Track blood glucose levels

Assess cholesterol levels

Calculate daily calorie needs

Calculate daily water needs

Optimal sleep schedule calculator

Track pregnancy due dates

Assess your stress level

Plan sleep cycles to wake up refreshed

Convert A1C to estimated average glucose

Measure cardiovascular fitness

Estimate annual health insurance costs

Format and validate JSON

Compare JSON documents

Convert YAML to JSON

Convert CSV to JSON

Convert XML to JSON

Validate JSON syntax and structure

Format SQL queries

Compare code files

Compare Excel spreadsheets

Test regular expressions

Base64, JWT, URL encode/decode

Generate QR codes

Preview markdown formatting

Generate SHA hashes

Generate UUIDs

Convert between IPv4 and IPv6 addresses

Calculate download times and file sizes

Generate color palettes

Simulate color blindness

Find harmonious color combinations

Check WCAG contrast compliance

Calculate aspect ratios

Generate responsive type scales

Calculate golden ratio proportions

Calculate CSS grid layouts

Audit page SEO metadata

Score keyword opportunities

Estimate SERP click-through rates

Build UTM tracking URLs

Analyze A/B test results

Calculate required sample size for A/B tests

Multi-touch attribution modeling

Score and prioritize leads

Website analytics heatmap

Calculate A/B test statistical significance

Analyze ROAS and customer acquisition cost

Calculate breakeven CPC and CPA

Optimize multi-channel budget allocation

Plan and track ad spend

Analyze cost per click and ad performance

Calculate email campaign ROI

Calculate email open rate and campaign metrics

Measure spam complaints per 1,000 delivered emails

Calculate affiliate commissions and EPC

Full scientific calculator

Calculate percentages

Convert between any units

Solve linear and quadratic equations

Apply a percentage raise to a salary

Calculate exact age

Add/subtract dates

Convert between timezones

Pomodoro timer

Days between dates plus weeks and months

Count words and characters

Compare text differences

Convert text case

Generate strong passwords

Build project timelines

Create Gantt charts

Find critical path

Three-point estimation (PERT)

RACI role-balance checker

Calculate sprint capacity

Track sprint burndown

Track team velocity

Calculate output per person-hour

Agile estimation with Planning Poker

Create project budgets

Calculate project ROI

Earned value management

RAG program health status

PPM approval and rejection rates

Leads to win-rate conversion

Score projects by BCR and priority

Feasibility and viability score

Peak vs average demand smoothing

Build risk assessment matrices

Estimate Ethereum gas fees

Calculate trade slippage

Calculate liquidation price

Dollar-cost average returns

Track crypto portfolio performance

Calculate impermanent loss

Token vesting schedule planner

Estimate crypto tax liability

Calculate LLM API costs

Compare AI model pricing

Estimate prompt token costs

Estimate token usage

Measure API response times

Budget context tokens for RAG prompts

Convert tokens to words and reading time

Size few-shot examples against context

Check how much system-prompt budget you use

Calculate AI tool return on investment

Estimate AI usage carbon emissions

Calculate delay times by BPM

Find chord notes and inversions

Convert frequency to musical note

Calculate pitch shift amounts

Calculate audio buffer latency

Calculate audio dynamic range

Convert between decibel units

Convert audio sample rates

Measure peak-to-RMS dynamics

Find hour angle from LST and right ascension

Calculate win/loss ratios

Calculate kill/death ratio

Calculate gaming probabilities

Track gaming playtime

Evaluate battle pass value

Estimate gaming setup cost

Calculate per-session gaming cost

Estimate PC power draw

Calculate Amazon FBA fees

Calculate Etsy selling fees

Calculate dropshipping profit margins

Calculate wholesale profit margins

Calculate average order value

Calculate product profit margins

Calculate sales tax

Estimate shipping costs

Break down monthly recurring revenue

Core SaaS metric calculations

Calculate SaaS quick ratio

Calculate SaaS magic number

Calculate customer churn rate

Calculate customer acquisition cost

Calculate startup burn rate

Calculate expansion MRR

Estimate child support payments

Estimate injury settlement value

Estimate divorce costs

Estimate alimony payments

Compare attorney fee structures

Compare mediation vs litigation costs

Estimate legal document costs

Calculate contract review fees

Calculate your GPA

Calculate weighted grades

See how a grade impacts GPA

Calculate needed final exam score

Track cumulative GPA across semesters

Find the final exam score needed for a target grade

Plan study sessions

Project future tuition costs

Estimate total college costs

Estimate scholarship eligibility

Estimate college cost after grants and scholarships

Generate invoices with line items

Calculate break-even point

Optimize pricing strategies

Find break-even point in units and revenue

Set prices with cost-plus markup

Convert W2 to 1099 rates

Analyze recruiting funnel

Find your inventory reorder trigger level

Calculate your carbon footprint

Calculate carbon offset needs

Estimate CO2 emissions

Estimate commute emissions

Calculate solar panel ROI

Audit home energy usage

Estimate diet carbon footprint

Compare EV vs gas savings

Calculate growing degree days for crops

Estimate trip fuel costs

Plan road trip budgets

Estimate hotel stay costs

Plan vacation budgets

Budget a digital-nomad monthly lifestyle

Split trip expenses

Calculate baggage fees

Check flight delay compensation

Calculate travel distances

Build podcast scripts

Check text readability scores

Analyze headline effectiveness

Preview SEO title displays

Estimate time to write content

Mean, median, mode, variance, std dev, quartiles, skewness

Calculate z-scores and percentiles

PDF, CDF, z-score, and percentile

CI for means with Z or T distribution

Determine required sample size for studies

Sample proportion, standard error, CI

Compute population and sample standard deviation

Value at any percentile with linear interpolation

Union, intersection, conditional probability

Probabilities for three events

P(A|B) from joint probability

Posterior probability via Bayes theorem

P(A∩B) for independent/dependent events

Expected value from outcomes and probabilities

Convert between probability and odds

Convert betting odds to probability

Assess risk level from probability

RR, ARR, and NNT from 2x2 table

nCr combinations

nPr permutations

Password combinations by length

Lottery winning probability

Shared birthday probability

Accuracy, precision, recall, F1

Full classification metrics

Sensitivity, specificity, PPV, NPV

Why positive tests can mislead

Update probability with likelihood ratios

Switch vs stay probability

Gold ball probability puzzle

Random chord probability

Two children probability puzzle

Two losing games that win

Always switch? paradox

Min proportion within k std devs

Simulate coin flips

Probability of k heads in n flips

Probability of consecutive heads

Expected dice roll average

Probability of dice sum

Simulate rolling dice

Generate random numbers

Roulette bet payouts and odds

Slope, intercept, R, R², MSE, RMSE

Check if a number is prime

Calculate factorials

Pythagorean theorem solver

Generate random numbers

Calculate Pearson correlation coefficient

Add, subtract, multiply, and divide fractions

Calculate percentage increase or decrease

Find greatest common factor and least common multiple

Convert numbers between any bases from 2 to 36

Solve triangles with the Pythagorean theorem

Area from base and height or Heron's formula

Calculate life insurance needs

Estimate car insurance premiums

Rent vs buy breakeven analysis

Calculate concrete volume

Calculate slab concrete needs

Calculate rebar requirements

Calculate lumber needs

Calculate framing lumber

Calculate concrete bags needed by volume

Calculate flooring needs

Calculate paint coverage

Calculate drywall sheets

Calculate tile needs

Calculate roofing materials

Estimate paint gallons for a space

Calculate deck materials

Calculate fence materials

Calculate gravel volume

Calculate paver needs

Calculate sod requirements

Calculate genetic crosses

Calculate allele frequencies

Calculate dihybrid cross ratios

Calculate biodiversity indices

Calculate Shannon diversity index

Estimate carrying capacity

Calculate logistic population growth

Calculate human-equivalent dog age

Calculate animal gestation periods

Calculate feed conversion ratios

Estimate tree height

Calculate hydroponics nutrient solution

Calculate ocean pH and carbonate saturation

Calculate rock density and identify rock types

Calculate tidal ranges by location and moon phase

Calculate molar mass

Calculate solution molarity

Calculate dilution concentrations

Calculate pH of solutions

Balance chemical equations

Calculate theoretical yield

Calculate activation energy

Calculate Gibbs free energy

Ideal gas law calculations

Boyle's law calculations

Calculate radioactive half-life

Calculate electrolysis parameters

Newton's laws of motion

Kinematics equations solver

Calculate projectile trajectories

Circular motion calculations

Work and energy calculations

Thermodynamics problem solver

Fluid mechanics calculations

Calculate density, mass, or volume

Calculate wave speed and frequency

Ohm's law circuit calculations

Lens and mirror calculations

All-in-one physics calculator

Estimate appliance energy cost by usage

Size circuit load and breakers from wattage

Count daily calories

Calculate macronutrient needs

Calculate daily protein needs

Track daily fiber intake

Calculate keto macros

Scale recipe ingredients

Convert cooking measurements

Calculate recipe food costs

Calculate coffee ratios

Baking measurement conversions

Scale any recipe by servings or yield

Estimate roast times from weight

Calculate net carbs for keto diets

Optimize athletic nutrition

Generate meal plans

Plan fasting schedules

Track vegan nutrition

Solve for voltage, current, or resistance