More Calculators
198 free more calculators tools in the Calculators & Converters collection — every one runs in your browser with no signup and no uploads. Page 2 of 2.
Pump Total Dynamic Head (TDH) Calculator
Calculate total dynamic head from static lift, friction, and velocity head
Refractometer FG Correction Calculator
Convert refractometer Brix readings to true final gravity after fermentation.
Renal Stone Risk Index Calculator
Urinary supersaturation indices for calcium oxalate and uric acid
RMD Calculator
Calculate your 2026 IRS Required Minimum Distribution
Self-Employment Tax Calculator (2026)
Calculate your 2026 SE tax on 1099 and freelance income
Drain Pipe Slope / Fall Calculator
Calculate fall in inches over a run for 1/8, 1/4, or 1/2 inch per foot drain slopes
Social Security Benefit Estimator
Estimate your monthly Social Security retirement benefit
Stamp Condition Grade Reference
Compare philatelic grade descriptions (P, F, VF, XF, Superb) for stamps
Step Mash Infusion Calculator
Calculate the boiling-water volume to add for each step mash temperature rest.
TAF Decoder
Translate a Terminal Aerodrome Forecast into readable plain-English periods
2026 Tax Bracket Calculator
Find your 2026 federal marginal and effective tax rate
Teacher Grade Book Calculator
Compute final grades from a weighted category grade book.
Telegram Hashtag Limit Helper
Stay inside Telegram's hashtag rules — count and audit instantly.
Telegram Profile & Banner Size Tool
Get pixel-perfect Telegram profile picture and banner dimensions
Reptile Terrarium Humidity & Misting Calculator
Calculate misting frequency to hold your target humidity
3:1 Descent Gradient Calculator
Calculate top of descent point and vertical speed for a 3-degree path
Time of Useful Consciousness (Hypoxia) Reference
Look up TUC at altitude and the oxygen rules after a pressurisation failure
Token Vesting & Cliff Schedule Visualiser
Visualise token unlock schedule with cliff, linear, and custom vesting
Top of Descent (TOD) Calculator
Calculate top of descent distance for any angle, speed, and altitude change
TPC & MCTC Calculator
Calculate Tonnes Per Centimetre and Moment to Change Trim One Centimetre
Twitch Profile & Banner Size Tool
Get pixel-perfect Twitch profile picture and banner dimensions.
X/Twitter Profile & Banner Size Tool
Get pixel-perfect X/Twitter profile picture and banner dimensions.
Warehouse Slotting Velocity Tool
Assign pick-face slots by ABC velocity and ergonomic zone to reduce travel
Brewing Water Chemistry Calculator
Calculate salt additions to hit target water ion profiles
Residual Alkalinity Calculator for Brewing
Calculate residual alkalinity to predict mash pH direction
Watts to Amps Calculator
Convert load watts to amps given voltage and power factor for any phase configuration
WhatsApp Profile & Banner Size Tool
Get pixel-perfect WhatsApp profile picture and banner dimensions.
Wildlife Track & Gait Spacing Reference
Identify animal gait patterns from track spacing measurements
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
YouTube Safe Zone Guide
Visualise YouTube's UI overlay safe zones before export.
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
Daylight Hours Calculator
Length of the day for any latitude and date
SIP Calculator
Project the future value of a monthly SIP investment.
Hours Between Times Calculator
Duration between two clock times, with break deduction.
Tile Calculator
How many tiles to buy for a floor or wall, including waste.
Grade Calculator
Add your assignments and points to get your overall grade and letter.
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.
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.
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.
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.
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.
FPS Timecode Calculator
Convert HH:MM:SS:FF timecode to frames and real time.
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.
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.
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.
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.
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.
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.
What Time Is It In…?
Instant live clock for any city or country — runs entirely in your browser.
Zodiac Sign Calculator
Find your Western zodiac sign, element, quality and ruling planet from your birthday.
Chinese Zodiac Calculator
Find your animal sign, element, Yin/Yang polarity and lucky attributes from your birth date.
Country Driving Side Lookup
Instantly check whether any country drives on the left or right side of the road.
Mixed Number Calculator
Add, subtract, multiply and divide mixed numbers with full working shown.
Time Zone Difference Calculator
Compare the current time (or any custom time) across multiple time zones instantly.