More Calculators
706 free more calculators tools in the Calculators & Converters collection — every one runs in your browser with no signup and no uploads. Page 7 of 8.
Wildlife Track & Gait Spacing Reference
Identify animal gait patterns from track spacing measurements
Wind Drift Calculator for Rifle Shooting
Calculate wind deflection for any bullet at distance
Window Rough Opening Calculator
Convert window or door unit size to the framed rough opening dimensions
Wire Ampacity Calculator (NEC 310.16)
Look up conductor ampacity from the NEC 310.16 table by AWG/kcmil and insulation type
WMI Country & Manufacturer Lookup
Find the country of manufacture and brand from a VIN's first three characters
Wood Framing Member Count Calculator
Calculate studs, plates, headers, and blocking for walls and openings
Worker Wellbeing & Social Baseline (S-KPI) Calculator
Calculate social KPIs for CSRD S1 worker wellbeing disclosure
Wort Chiller Cooling Time Estimator
Estimate how long it takes to chill wort to pitching temperature
Wrongful Termination Back Pay Calculator
Estimate back pay, front pay, and benefits loss in wrongful-discharge claims
YouTube Safe Zone Guide
Visualise YouTube's UI overlay safe zones before export.
Z-Offset First Layer Calculator
Calculate Z offset adjustment from first-layer squish measurements.
Cost Per Use Calculator
See the true cost per use or per wear of anything you buy
Credit Card Minimum Payment Calculator
See how long minimum payments take to clear a card and what they cost
Dollar-Cost Averaging Calculator
Average cost, units and profit from investing a fixed amount over time
Pack-Years Calculator
Calculate smoking pack-years from cigarettes per day and years smoked
Ponderal Index Calculator
Work out your Ponderal Index (Corpulence Index) from height and weight
TV Viewing Distance Calculator
Find the ideal seating distance for your TV size using cinema viewing-angle geometry
Daylight Hours Calculator
Length of the day for any latitude and date
Raised Bed Soil Calculator
Work out how much soil or compost fills a raised bed, in litres and bags
SIP Calculator
Project the future value of a monthly SIP investment.
Hours Between Times Calculator
Duration between two clock times, with break deduction.
Car Depreciation Calculator
Project a car's resale value year by year using a declining-balance rate.
Grade Calculator
Add your assignments and points to get your overall grade and letter.
Final Grade Needed Calculator
Find the exact score you need on your final to hit your target grade.
Words Per Minute Typing Test
Measure your typing speed in WPM with live accuracy tracking.
Leap Year Checker
Check if any year is a leap year and see why.
Day of Year Calculator
Find the ordinal day number and ISO week for any date.
Discount Stacking Calculator
Combine multiple discounts and see the true compounded saving.
Uganda NIN Validator & Decoder — Class, Gender & Birth Year
Validate a 14-character Ugandan NIN and decode its class, gender and birth-year digits.
Saudi Iqama & National ID Validator
Validate a 10-digit Saudi ID or Iqama with the official check-digit algorithm.
Colombia Cédula & NIT Validator
Check a Colombian cédula format and compute the NIT modulo-11 check digit.
Australia TFN Validator — Tax File Number Checksum
Validate an Australian Tax File Number with the ATO modulus-11 checksum.
Chinese Zodiac Finder
Find your Chinese zodiac animal, element and yin-yang from your birth date.
Watts to Kilowatt-Hours (kWh) Calculator
Turn watts and running time into kWh — kWh = (W × hours) ÷ 1000. Free, browser-only.
Data Transfer Cost Calculator
Estimate cloud or CDN egress cost from volume, price per GB and free tier.
Gross to Net Pay Estimator
Estimate take-home pay from gross using your own deduction percentages.
Steps to Distance Calculator
Convert daily steps into kilometres, miles and estimated calories.
Modulo Calculator (Remainder)
Find a mod n — both the truncated and floored remainder conventions.
Work Hours Calculator
Add up a weekly timesheet — daily hours, breaks and optional gross pay.
Scientific Calculator
Evaluate expressions with trig, logs, roots, powers, and factorials.
What Day Was I Born
Find out which day of the week you were born on.
Credit Card Payoff Calculator
How long to clear a card — and what the interest costs.
Lease vs Buy Calculator
Compare the true cost of leasing against buying with finance.
Child Height Predictor
Estimate a child's adult height from the parents' heights.
Time Until the Weekend
Live countdown to Saturday — how long until the weekend.
Parallel Resistance Calculator
Total resistance of resistors wired in parallel.
Series Resistance Calculator
Total resistance of resistors wired in series.
Power (Watts) Calculator
Electrical power from voltage, current and resistance.
Work and Power Calculator
Work W = F·d·cos θ and power P = W/t or P = F·v.
Music Interval Calculator
Transpose a frequency by any interval and see ratios in cents.
Video Bitrate Calculator
Work out video file size from bitrate and duration, or the reverse.
Cost-Plus Pricing Calculator
Set a selling price by adding a markup to your unit cost.
Slope Calculator
Slope, equation and angle of a line through two points.
Distance Between Two Points Calculator
Straight-line distance between two coordinates.
Midpoint Calculator
Find the midpoint between two coordinates.
Quarter Calculator
Find which calendar quarter a date falls in, with start and end dates.
Fiscal Year Calculator
Find the fiscal year for any date — UK, US, Australia and more.
Polynomial Roots Calculator
Find the real and complex roots of quadratic and cubic equations.
F-Stop Calculator
Stops difference and light change between two apertures.
FPS Timecode Calculator
Convert HH:MM:SS:FF timecode to frames and real time.
Bitrate Calculator (Audio + Video)
Find the bitrate needed to fit a target file size.
Zakat Calculator
Work out zakat at 2.5% on wealth above the nisab threshold.
Tithe Calculator
Calculate your tithe from gross or net income at any rate.
Change Maker Calculator
Work out change owed and the fewest notes and coins to give it.
Blood Type Inheritance Calculator
Predict a child's possible blood types from both parents.
Period & Cycle Tracker
Predict your next period, ovulation and fertile window.
Resting Metabolic Rate Calculator
Estimate your RMR and daily calorie needs.
Semester Weeks Calculator
Count how many weeks a semester or term runs from start to end.
Time Tracker & Timesheet
Start and stop timers per project, see daily and weekly totals, export a CSV timesheet.
Group Gift Splitter
Split a group gift fairly — down to the last cent.
Road Trip Time Estimator
How long will the drive really take — with rest stops added.
Grade Tracker
Track every course, weight each assignment and see the score you need on the final.
Subscription Tracker
Track every subscription, see your true monthly and yearly spend, and never miss a renewal.
Tax Bracket Visualizer
See how a progressive tax schedule splits your income — marginal vs effective, on a stacked bar.
Cash-on-Cash Return Calculator
Annual cash flow as a percentage of cash invested.
Inventory Turnover Calculator
How many times you sell through stock per year.
Darts Checkout Calculator
Find a 1–3 dart finish for any score from 2 to 170.
Light Travel Time Calculator
How long light takes to cross any distance in space.
Pomodoro Estimator
Estimate how long a set of pomodoros will really take.
Cycling Power Estimator
Estimate the watts needed to ride at a given speed.
Travel Itinerary Planner
Plan trips day by day with timed activities, costs and a printable PDF.
Weekly Schedule Maker
Build a colour-coded weekly timetable and export it to PDF.
Bill Reminder Tracker
Track every recurring bill, see what is due, and never miss a payment.
Timesheet Maker
Log daily hours per project, see totals and billable amounts, export to CSV.
Subscription Cost Tracker
Track every subscription, see your true monthly and yearly spend, and never miss a renewal.
Portfolio Rebalancer
Turn target allocations into exact buy and sell amounts.
Project Timeline Calculator
Turn task estimates in working days into real start and finish dates.
Half-Life Calculator
Solve radioactive decay for remaining amount, time or half-life — with a decay chart.
Density Calculator
ρ = m ÷ V — solve for density, mass, or volume with full unit conversion
Dew Point Calculator
Temperature + relative humidity → dew point, comfort rating, wet-bulb temp.
Force Calculator (F = ma)
Newton's second law — solve for force, mass, or acceleration with full unit handling.
Heat Index Calculator
Temperature + humidity → feels-like heat index with risk category, in °C and °F.
Wind Chill Calculator
Find the real feels-like temperature: air temp + wind speed → wind chill with frostbite risk.
Darts Checkout Calculator
Find every valid finish for any score from 2 to 170.
Golf Handicap Calculator
Score differentials and Handicap Index using the World Handicap System (WHS).
Race Time Predictor
Predict finish times across every distance from one known race result.
Run/Walk Interval Calculator
Plan your run-walk intervals, find your effective pace and finish time.
Watts per kg Calculator
Find your cycling W/kg and Coggan category in seconds.
Country Plug Type Finder
Instantly look up the plug type, voltage and frequency for any country.
Name Day Finder
Find the name day for any first name — or discover which names are celebrated on any date.