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Finance
Mortgage Calculator
Estimate mortgage payments, housing costs, and amortization.
Search and filter every available and planned CalcRocket tool. Available cards open working calculators; planned tools are clearly marked.
153 calculators
Finance
Estimate mortgage payments, housing costs, and amortization.
Finance
Calculate fixed loan payments, interest, fees, and payoff schedules.
Finance
Project compound growth with recurring contributions.
Health
Calculate adult BMI, category, and a healthy weight range.
Health
Estimate basal metabolic rate with two established formulas.
Health
Estimate maintenance calories and goal-adjusted daily needs.
Math
Calculate percentages, percentage change, and percentage difference.
Date & Time
Calculate exact age, elapsed time, and the next birthday.
Finance
Project investment growth with fees, inflation, withdrawals, and return scenarios.
Finance
Estimate savings growth with regular deposits and compound interest.
Conversions
Convert length and distance between metric and US customary units.
Finance
Estimate effective loan APR including upfront fees, financed fees, and points.
Finance
Estimate car payments, trade-in equity, taxes, fees, and payoff schedules.
Finance
Project retirement savings, spending, income, fees, and portfolio longevity.
Everyday Tools
Calculate gratuity, split a bill equally, handle pre-tax tipping, and optionally round each person's payment.
Finance
Estimate debt payoff time, total interest, and savings from extra payments.
Finance
Estimate credit card payoff time, interest, and savings from extra payments.
Finance
Calculate front-end and back-end debt-to-income ratios from monthly income and debt.
Finance
Compare current and refinanced loan payments, interest, costs, and break-even timing.
Finance
Estimate fixed student-loan payments, grace-period interest, payoff, and extra-payment savings.
Finance
Calculate net worth from detailed assets and liabilities with hypothetical projections.
Finance
Estimate an emergency savings target from essential expenses and coverage months.
Finance
Estimate future prices, past equivalents, and purchasing power using a constant inflation rate.
Finance
Estimate certificate of deposit growth, maturity value, interest, and withdrawal penalties.
Health
Estimate total daily energy expenditure from BMR and activity level.
Health
Estimate adult body fat percentage from height and circumference measurements.
Health
Compare Devine, Robinson, Miller, and Hamwi ideal-weight estimates.
Health
Estimate daily protein, carbohydrate, and fat targets from TDEE.
Health
Compare Boer, James, and Hume lean-body-mass estimates or use known body fat.
Health
Estimate a daily total-fluid range from weight, activity, climate, and life stage.
Health
Estimate five adult training zones with maximum-HR or heart-rate-reserve methods.
Health
Compare six established 1RM estimates and training percentage loads.
Health
Calculate pace, speed, distance, finish time, splits, and race projections.
Health
Estimate a daily adult protein range from weight, activity, and goal.
Health
Compare four established body surface area estimates.
Date & Time
Add or subtract dates, compare dates, and count business days.
Conversions
Convert Celsius, Fahrenheit, and Kelvin values.
Construction
Calculate concrete for slabs, footings, walls, circular slabs, columns, and steps.
Finance
Calculate simple interest, final amount, principal, annual rate, or time.
Math
Add, subtract, multiply, divide, simplify, and convert fractions with exact results and clear steps.
Math
Simplify, solve, scale, compare, and convert ratios or divide a total by a ratio.
Math
Calculate GCF, GCD, LCM, prime factorizations, and common factors for two or more integers.
Math
Calculate powers, roots, powers of ten, scientific notation, and simple missing exponents.
Math
Calculate common, natural, and custom-base logarithms, antilogs, and simple logarithmic equations.
Math
Solve quadratic equations with real or complex roots, discriminant, vertex, and graph.
Math
Calculate mean, median, mode, range, sum, frequency, and sorted values for a dataset.
Math
Calculate population or sample standard deviation, variance, deviations, and z-scores.
Math
Calculate event probabilities, complements, conditional probability, repeated trials, and odds conversions.
Math
Calculate exact, cumulative, and range binomial probabilities with distribution statistics.
Math
Calculate z-scores, solve standard-score variables, and estimate normal-distribution percentiles.
Math
Calculate percentile values, percentile ranks, quartiles, median, and interquartile range.
Math
Calculate arithmetic and scientific expressions with trigonometry, logarithms, powers, memory, and history.
Conversions
Convert mass and weight between metric and US customary units.
Conversions
Convert metric and US customary volume units precisely.
Conversions
Convert metric, US customary, and land-area units precisely.
Conversions
Convert speed between metric, US customary, and nautical units.
Conversions
Convert fixed-duration time between milliseconds, seconds, minutes, hours, days, and weeks.
Conversions
Convert scientific, electrical, food, and mechanical energy units.
Conversions
Convert electrical, mechanical, and thermal power units.
Conversions
Convert pressure between Pa, kPa, MPa, bar, mbar, atm, psi, torr, mmHg, and hPa.
Conversions
Convert fuel economy between US MPG, Imperial MPG, kilometers per liter, and liters per 100 kilometers.
Conversions
Convert digital storage between bits, bytes, decimal SI units, and binary IEC units.
Conversions
Convert data transfer rates between decimal bit rates, decimal byte rates, and binary byte rates.
Conversions
Convert torque between newton-meters, pound-feet, pound-inches, and kilogram-force units.
Conversions
Convert angles between degrees, radians, gradians, turns, arcminutes, and arcseconds.
Date & Time
Calculate exact differences between dates or add and subtract calendar time.
Date & Time
Count business days between dates or add and subtract workdays with custom weekends and holidays.
Date & Time
Calculate shift and weekly work hours, breaks, overtime, and optional gross pay.
Date & Time
Create a live countdown to a date and time or measure time elapsed since a past event.
Date & Time
Calculate durations between clock times or add and subtract fixed time.
Date & Time
Calculate exact age, next birthday, birthday weekdays, and milestone dates.
Date & Time
Find the weekday, ISO week, day of year, quarter, and calendar facts for any date.
Date & Time
Find ISO week numbers, week-years, and Monday-to-Sunday date ranges.
Date & Time
Count calendar days until a future date or since a past date.
Construction
Estimate gravel volume, weight, coverage, waste, and material cost.
Construction
Estimate mulch volume, bags, coverage, extra material, and cost.
Construction
Estimate flooring needed for one or multiple rooms, including waste, boxes, pieces, leftover coverage, and material cost.
Construction
Estimate tiles and boxes for floors, walls, and other rectangular surfaces, including waste, deductions, grout spacing, and optional cost.
Construction
Estimate paint for walls, ceilings, rooms, or known areas, including deductions, coats, containers, primer, and material cost.
Construction
Estimate drywall sheets for walls and ceilings, including openings, waste, sheet sizes, accessories, and material cost.
Construction
Estimate roof surface area, roofing squares, shingle bundles, panels, underlayment, waste, and material cost.
Construction
Estimate deck boards, rows, linear footage, waste, fasteners, and material cost from deck and board dimensions.
Construction
Estimate fence posts, panels, pickets, rails, gates, concrete, and material cost.
Construction
Calculate stair risers, treads, run, angle, and stringer length.
Construction
Calculate lumber board feet, cubic volume, waste, and optional cost.
Construction
Estimate siding area, squares, boxes, panels, boards, trim, and material cost.
Construction
Estimate asphalt volume, weight, coverage, waste, and optional material cost.
Construction
Estimate topsoil volume, weight, coverage, bags, and optional material cost.
Construction
Estimate sand volume, weight, coverage, bags, and optional material cost.
Construction
Estimate pavers, pallets, bedding sand, base material, and optional cost.
Construction
Estimate bricks, pallets, mortar, openings, waste, and optional material cost.
Construction
Estimate insulation needed for walls, ceilings, floors, and attics, including batts, rolls, rigid boards, loose-fill bags, waste, coverage, and optional cost.
Construction
Estimate wall studs, openings, corners, framing waste, plates, and optional material cost.
Construction
Estimate lumber boards, linear length, board feet, waste, and optional material cost.
Construction
Estimate rebar bars, spacing, linear length, waste, weight, and optional material cost.
Construction
Estimate concrete for footings, foundation walls, slabs, and combined foundations.
Construction
Estimate excavation volume, soil swell, weight, truckloads, and optional cost for pits and trenches.
Construction
Calculate cut and fill, bank, loose and compacted soil volumes, import, export, truckloads, and optional cost.
Construction
Calculate cubic yards from dimensions, area and depth, circular areas, or known volume, with extra allowance and coverage.
Construction
Calculate square footage for common shapes and multiple added or deducted sections, with conversions and optional cost.
Construction
Calculate room floor area, perimeter, walls, ceiling, volume, openings, multiple rooms, and missing dimensions.
Construction
Calculate gross and net wall area, subtract openings, convert units, and add an optional planning allowance.
Construction
Calculate flat, sloped, and vaulted ceiling area with deductions, conversions, allowance, and optional cost.
Construction
Estimate wallpaper rolls from wall dimensions, strip width, drop length, pattern repeat, trimming, and whole-roll purchasing.
Construction
Estimate CMU blocks, wall openings, waste, pallets, mortar, grout, and material cost.
Construction
Estimate mortar volume, bags, coverage, waste, and material cost for brick and concrete block masonry.
Construction
Estimate grout volume, manufacturer coverage, bag quantities, waste, and material cost for tile projects.
Construction
Estimate thinset or tile adhesive bags from manufacturer coverage, installation area, allowances, and cost.
Construction
Estimate floor and deck joists, spacing layout, stock pieces, rim boards, blocking, linear footage, and cost.
Construction
Calculate common and shed rafter length, roof pitch, spacing, quantity, stock, waste, and cost.
Construction
Convert roof pitch between rise and run, X:12, degrees, slope percentage, ratio, and slope factor.
Construction
Calculate actual roof surface area from dimensions, projected area, pitch, overhangs, and multiple sections.
Construction
Convert roof area to roofing squares, add waste, estimate bundles, and calculate material cost.
Construction
Estimate roof shingle bundles, starter shingles, ridge caps, and material cost.
Construction
Estimate OSB or plywood roof sheathing sheets from roof area, dimensions, waste, and openings.
Construction
Estimate plywood, OSB, MDF, drywall, or panel sheets from project area and sheet dimensions.
Construction
Estimate plywood or OSB subfloor panels from floor dimensions, waste, openings, and effective coverage.
Construction
Estimate baseboard or skirting board from room dimensions, walls, openings, waste, stock lengths, joints, and cost.
Construction
Estimate crown molding from room dimensions, wall lengths, exclusions, waste, stock lengths, corners, splices, and cost.
Construction
Estimate door trim, window casing, wall molding, waste, stock pieces, surplus, component warnings, and cost.
Construction
Calculate linear footage from lengths, quantities, perimeter, stock pieces, waste, coverage width, and cost.
Construction
Estimate concrete form-contact area and reusable form panel quantities.
Construction
Estimate concrete mix bags from project volume, manufacturer yield, waste, and cost.
Construction
Estimate cement, sand, aggregate, and cement bags from a user-defined mix ratio.
Construction
Estimate concrete bags and gravel for round post holes with optional post displacement.
Construction
Calculate post or pole counts and spacing for straight runs, rectangular perimeters, and multiple runs.
Construction
Estimate gravel, pipe, fabric, excavation volume, weight, and cost for French drains and drainage trenches.
Construction
Calculate rectangular or sloped trench excavation, spoil, bedding, pipe displacement, backfill, truckloads, and cost.
Everyday Tools
Calculate sales tax, included tax, discounts, multiple rates, and split totals.
Everyday Tools
Calculate sale prices, savings, fixed discounts, sequential discounts, reverse prices, quantity, and tax.
Everyday Tools
Calculate and compare unit prices, multipacks, discounts, target quantities, and whole-package costs.
Everyday Tools
Estimate trip fuel, fuel cost, passenger splits, vehicle comparisons, and theoretical driving range.
Everyday Tools
Scale recipe ingredients between servings or by a direct multiplier, including fractions and compatible unit conversions.
Everyday Tools
Calculate driving cost per mile or kilometer, trip and commute costs, and mileage reimbursement differences.
Everyday Tools
Calculate appliance electricity cost, energy use, recurring projections, and reverse budget estimates.
Everyday Tools
Calculate ingredient usage cost, total recipe cost, cost per serving, scaled recipes, and whole-package purchase estimates.
Everyday Tools
Calculate water use from flow rate, duration and frequency, including optional water and sewer costs.
Everyday Tools
Estimate battery runtime, required capacity, and maximum average load from battery energy, power, usable capacity, and efficiency.
Everyday Tools
Calculate data usage from bitrate and duration, project recurring consumption, combine activities, and solve allowance or required-rate scenarios.
Conversions
Convert acceleration between common metric, imperial, gravitational, and scientific units.
Conversions
Convert force between newtons, kilonewtons, pound-force, kilogram-force, dynes, ounce-force, and other common units.
Conversions
Convert volumetric flow rate between GPM, L/min, CFM, m³/h, L/s, and other common metric and US customary units.
Conversions
Convert density between kg/m³, g/cm³, g/mL, lb/ft³, lb/US gal, and other common metric and US customary units.
Conversions
Convert frequency between Hz, kHz, MHz, GHz, RPM, RPS, and common cycle-rate units.
Conversions
Convert dynamic viscosity between Pa·s, mPa·s, centipoise, poise, and engineering units.
Conversions
Convert kinematic viscosity between cSt, St, m²/s, mm²/s, and engineering units.
Conversions
Convert mass flow rate between metric, SI, customary, and industrial mass-per-time units.
Math
Solve triangles from known sides and angles, including ambiguous SSA cases.
Math
Calculate radius, diameter, circumference, and area from one known circle measurement.
Math
Calculate exact ordered permutations and unordered combinations from n items choosing r.
Everyday Tools
Calculate current grades from weighted assignments or points and estimate the score needed on a final.
Finance
Convert gross pay between hourly, daily, weekly, monthly, and annual amounts using your work schedule.
Everyday Tools
Calculate a credit-weighted GPA from course grade points and credits.