Loan Mortgage & home loans
Cash-Out Refinance Calculator
Cash-out refinance payment, interest delta, break-even.
HELOC vs Home Equity Loan Calculator
HELOC vs home equity loan total cost, both structures.
Closing Cost Estimator
Closing costs itemized, low/mid/high, by state.
Property Tax Calculator
Property tax by state — real average effective rates.
Home Equity Calculator
Home equity and borrowable room at 80/85% CLTV.
Mortgage Payment Calculator
Monthly payment with taxes and insurance, total interest, payoff schedule.
Home Affordability Calculator
The home price your income, debts and rate can honestly support.
Refinance Calculator
New payment, total savings, and the month the refi pays for itself.
Mortgage Payoff Calculator
Extra payments, your debt-free date, and the interest you dodge.
Rent vs Buy Calculator
The true cost of renting vs buying over your stay, with a break-even year.
Rent Affordability Calculator
Three rent ceilings at once: 28% rule, 30% rule, and the debts-aware 28/36 rule.
Lease Break Calculator
Early-exit math both ways: the termination fee vs your mitigated remaining-rent liability, deposit accounted.
Car, business & other loans
Buy vs Lease Car Calculator
Buy vs lease over your horizon, equity included.
Car Total Cost of Ownership Calculator
Total cost of owning a car, per mile and per year.
EV vs Gas Calculator
EV premium vs fuel savings: the break-even year.
Car Loan Calculator
Payments, total interest and the true cost of driving it off the lot.
Business Loan Calculator
Payments, total cost and a full amortization view for business borrowing.
Loan Calculator
The general loan solver: payment, amount, term or rate — whichever you are missing.
Amortization Calculator
The full payment schedule for any loan, with extra payments modeled.
Personal Loan Calculator
Personal loans with APR, origination fee and extra payments — and the true APR the fee creates.
HELOC Calculator
HELOC draw and repayment phases priced out: interest-only payments, then the amortizing bill.
APR Calculator
True APR with fees counted, plus the total cost of the loan.
Student Loan Calculator
Up to five student loans stacked: combined minimum, total interest and the cheapest payoff order.
Down Payment Calculator
The down payment is only part of it — closing costs, loan size and the PMI warning under 20%.
Debt payoff & credit cards
Debt Payoff Calculator
Your debt-free date at any payment — and the interest you avoid by paying more.
Credit Card Payoff Calculator
How long a balance really takes to clear, and what it costs you.
Debt Snowball Calculator
Six debts, two famous plans: snowball vs avalanche raced on your numbers, side by side.
Debt Avalanche Calculator
Avalanche-first: highest APR dies first — raced against the snowball, side by side.
Rates, interest & returns
College Cost Estimator
Projected college cost, savings gap and monthly deposit.
Compound Interest Calculator
What interest does for you when you are the one earning it.
Inflation Calculator
Future prices at any inflation rate — and today’s-money equivalents.
CD Calculator
What a CD grows to by maturity at its APY — year by year.
ROI Calculator
Return on any investment, with the annualized rate.
Savings Goal Calculator
The deposit plan that reaches your target date.
Cap Rate Calculator
Rental returns measured the way investors measure them.
Cash-on-Cash Return Calculator
Annual return on the actual cash you put in.
Rental Property Analyzer
Mortgage math plus cap rate and cash flow in one full deal analysis.
Break-Even Calculator
The sales volume where a venture starts paying for itself.
Retirement Calculator
What steady contributions plus employer match grow into by retirement.
Income, tax & work
LLM API Token Cost Estimator
LLM API token costs across published model prices.
Payment Fee Calculator
Card processing fees: net, volume and gross-up.
YouTube Earnings Calculator
YouTube RPM earnings estimates by niche.
TikTok Earnings Calculator
TikTok creator rewards estimates in honest ranges.
Sponsorship Rate Calculator
Sponsorship rate range with the math shown.
Time Card Calculator
Weekly timesheet with daily and weekly overtime done the payroll way — no hour counted twice.
Trump Accounts Calculator
The new federal child account: $1,000 seed for 2025–2028 births, contributions projected to age 18.
Hourly to Salary Converter
Hourly wage to annual salary and back — the income side of any loan application.
Salary Raise Calculator
What a raise does to your monthly budget and borrowing power.
Freelance Hourly Rate Calculator
Set a freelance rate that covers taxes, downtime and profit.
Quarterly Tax Estimator
Estimated quarterly payments for self-employment income.
Mileage Deduction Calculator
Business miles turned into an estimated tax deduction.
Invoice Generator
Professional invoices for the income that services the loan.
Paycheck Calculator
Take-home pay from a salary or hourly wage — every pay frequency at once.
Everyday calculators
Repair vs Replace Calculator
Repair vs replace: cost per added year, 50% rule.
Asphalt Estimator
Asphalt tonnage by area and compacted depth.
Grass Seed Estimator
Grass seed pounds and bags by type and job.
Retaining Wall Estimator
Retaining wall blocks, caps and gravel counts.
Framing Estimator
Framing studs and plates for any wall.
Rebar Estimator
Rebar for a slab grid: bars, sticks, weight.
Stone Estimator
River rock in tons, yards and bags.
Plywood Estimator
Plywood sheets for floors, roofs and walls.
Roof Pitch Calculator
Roof pitch in degrees, percent and x/12.
Metal Roofing Estimator
Metal roofing panels and screws by roof size.
Concrete Block Fill Estimator
Concrete to fill block cores, by size and pattern.
Concrete Mix Estimator
Concrete mix ingredients by ratio and volume.
Baluster Estimator
Balusters for a railing at code spacing.
Deck Stain Estimator
Deck stain gallons by wood condition and coats.
Epoxy Estimator
Epoxy resin volume for pours and coatings.
Plant Spacing Estimator
Plant counts by bed area and spacing.
French Drain Estimator
French drain gravel, pipe and fabric.
Tank Volume Estimator
Tank volume in gallons and litres, with weight.
BTU Estimator
BTU loads for heating and cooling.
Solar Cost Estimator
Solar cost, savings and payback estimate.
EV Charging Cost Estimator
EV home charging cost vs gasoline.
Deck Cost Estimator
Deck installation cost by material.
Fence Cost Estimator
Fence installation cost by material.
Driveway Cost Estimator
Driveway installation cost by surface.
Siding Cost Estimator
Siding installation cost by material.
Painting Cost Estimator
Painting cost estimate, interior and exterior.
Window Replacement Cost Estimator
Window replacement cost by type.
Gutter Cost Estimator
Gutter installation cost with downspouts.
Shed Cost Estimator
Shed cost: kit, prefab or custom.
Home Addition Cost Estimator
Home addition cost by type and size.
House Building Cost Estimator
Cost to build a house by tier and region.
HVAC Cost Estimator
HVAC replacement cost by system size.
Water Heater Cost Estimator
Water heater replacement cost.
Water Bill Estimator
Estimated monthly water and sewer bill.
House Cleaning Cost Estimator
House cleaning cost per visit.
Lawn Care Cost Estimator
Lawn care cost per visit and per season.
Catering Estimator
Catering quantities per guest.
Roofing Estimator
Roofing materials from footprint and pitch: bundles, rolls, nails.
Brick Estimator
Bricks and mortar for any wall, by size and joint.
Concrete Block Estimator
Block count and mortar bags for CMU walls.
Insulation Estimator
Insulation packages and bags by area and R-value.
Siding Estimator
Siding quantities from wall area minus openings.
Fence Estimator
Fence posts, rails, pickets and concrete bags.
Carpet Estimator
Carpet square yards and padding for one or two rooms.
Wallpaper Estimator
Wallpaper rolls by room and pattern repeat.
Topsoil Estimator
Topsoil yards, tons and bags by depth.
Sand Estimator
Sand tons and bags by type and depth.
Paver Estimator
Patio pavers plus base and sands, counted together.
Sod Estimator
Sod pallets and rolls for any lawn.
Board Foot Estimator
Board feet from lumber dimensions, with cost.
Stair Estimator
Stair risers, treads, run and stringer length.
Pool Volume Estimator
Pool gallons by shape, size and average depth.
Countertop Estimator
Countertop area, slab count and cost.
Roof Replacement Cost Estimator
Roof replacement cost ranges by material and complexity.
Bathroom Remodel Estimator
Bathroom remodel cost ranges by tier, fixtures itemised.
Kitchen Remodel Estimator
Kitchen remodel ranges and budget shares.
Home Renovation Estimator
Whole-home renovation ranges by scope.
Wedding Cost Estimator
Wedding cost by category with contingency and per-guest total.
Pet Cost Estimator
Lifetime cost of a dog or cat, first year included.
Trip Cost Estimator
Trip total and per-person cost from all the real lines.
AI Job Risk Calculator
AI exposure by task mix, not job title — eight kinds of work, openly weighted, with a per-task breakdown.
Discount Calculator
Sale price and savings, with tax included when you need it.
Sales Tax Calculator
Add or remove sales tax from any amount.
Tip Calculator
Tip and split for any bill size and party.
Unit Price Calculator
Compare cost per unit across package sizes.
BMI Calculator
Body mass index in imperial or metric units.
Age Calculator
Exact age and days lived.
GPA Calculator
Grade point average from your course grades.
Word Counter
Words, characters and reading time.
Password Generator
Strong passwords, generated locally on your device.
Time Duration Calculator
Time between two times, or durations added up.
Paint Coverage Calculator
Paint needed for rooms and coats.
Deck Material Estimator
Materials estimate for a deck build.
Moving Cost Estimator
What a move will cost, movers or DIY.
Percentage Calculator
All six percentage modes in one fast tool.
Scientific Calculator
A full scientific calculator with memory keys and a history tape.
Fraction Calculator
Fractions and mixed numbers with the working shown step by step.
Date Calculator
Days between dates, date shifting and business-day counts.
Currency Converter
Live exchange rates — handy for overseas purchases and imported vehicles.
Pregnancy Due Date Calculator
Due date three ways, with trimester milestones.
Calorie Calculator
Daily calorie targets and macros for your goal.
BMR Calculator
Resting burn from three formulas, plus TDEE by activity.
Ovulation Calculator
Fertile window, ovulation day and a 3-cycle calendar.
Concrete Calculator
Concrete yards, bag counts and cost for home projects.
Square Footage Calculator
Room areas and project totals with cost per square foot.
Standard Deviation Calculator
Full statistics from pasted data or a CSV upload.
Random Number Generator
Random numbers, coin flips and dice with tallies.
Final Grade Calculator
The score needed on a final — or the grade a score earns.
Love Calculator
A name-match score computed from the names themselves — the same pair always scores the same.
Overtime Calculator
Overtime at 1.5× and 2×, totaled weekly, monthly and annually with your blended rate.
Electricity Cost Calculator
Running cost of any appliance by watts and hours — presets for AC, heaters, dryers and more.
Sleep Calculator
Wake at a cycle boundary, not mid-cycle: bedtimes and alarms in 90-minute cycles.
Days Until Calculator
Days, weeks and months to any event date — and count-ups for dates already past.
Tile Calculator
Tiles and boxes for a room, counted by coverage and by grid, waste included.
Gravel Calculator
Gravel in yards, tons and bags for driveways, paths and drainage.
Mulch Calculator
Mulch yards and bags for any bed area and depth, costs compared.
Drywall Calculator
Sheets, screws and cost to drywall a room — ceiling in or out.
Flooring Calculator
Boxes of flooring with waste included, plus total material cost.
Body Fat Calculator
Body fat percentage from tape measurements, the US Navy way.
Macro Calculator
Protein, carb and fat grams for balanced, high-protein, low-carb or keto splits.
Hours Calculator
Time between two clock times, decimals included, overnight-safe.
Test Grade Calculator
What you need on the final to hold your grade — needed, safe, or out of reach.
Dog Age Calculator
Dog years done right: the logarithmic model vets actually use.
Rafter Length Calculator
Common + hip rafter lengths with ridge deduction, birdsmouth and overhang tail — the full cut list.
Drywall Cost Estimator
Installed drywall cost: sheets, mud and labor priced by finish level, tear-out included if you need it.
Tree Removal Cost Estimator
Removal cost by height band and access, with stump grinding, haul-away and crane priced in.
Material Weight Calculator
Weight of steel, concrete, lumber, gravel and 14 more materials across five shapes — densities printed.
Trim & Molding Estimator
Baseboard, crown, chair rail and casing by room: door deductions, waste, stick counts and cost.
Wainscoting Calculator
Panel and stile counts, chair rail and sheet goods from wall lengths, panel width and spacing.
Cabinet Door Calculator
Replacement cabinet doors and drawer fronts priced by material, hinges included.
Overtime Pay Calculator
Total hours in — automatic regular / 1.5× / 2× split under federal or CA-style rules, gross and blended rate.
Severance Pay Calculator
Severance by weeks per year of service, plus notice pay and unused PTO — the full exit total.
Child Support Calculator
Income-shares guideline estimate with the statutory percentages and pro-rata split printed. Estimate only.
Spousal Support Calculator
SSAG without-child formula: support range and duration from the income gap and years married. Estimate only.
Wedding Budget Calculator
Any total budget split across 10 wedding categories by published percentages, with per-guest cost.
Baby Cost Calculator
First-year baby costs itemized: feeding, gear, birth costs and childcare by type — survey-anchored defaults.
Generator Sizing Calculator
Appliance checklist to running watts, motor surge, recommended size and generator class.
Pool Chemical Calculator
Chlorine, shock, alkalinity and pH doses from volume + current/target readings. Hot-tub mode included.
Moving Box Calculator
Box counts by size for your home, plus tape, paper and the supply budget.
Snow Load Calculator
ASCE 7 design snow load from ground load and roof factors — plus actual snow weight in tons and depth.
Water Heater Sizing Calculator
First-hour rating from household size and tubs, matched to the tank size that delivers it.
Electrical Load Calculator
NEC 220.82 dwelling load calculation: demand-factored load, total amps, and spare panel capacity.
Voltage Drop & Wire Size Calculator
Voltage drop for any gauge plus the recommended AWG meeting NEC ampacity and a 3% drop limit. Cu and Al.