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 6 of 8.
SOFA Score Calculator (Sequential Organ Failure Assessment)
Multi-organ failure scoring for ICU mortality estimation
Solar Panel Payback Calculator
Calculate solar PV break-even, savings, and CO2 offset over 25 years
Off-Grid Solar System Calculator
Size solar panels, batteries, and inverter for any off-grid system
Sport Altitude Performance Calculator
Estimate performance decline at altitude for endurance sport.
Competition Warm-Up Time Calculator
Plan your competition warm-up backward from your first attempt
Creatine Loading & Maintenance Calculator
Calculate your creatine loading and maintenance doses by bodyweight
Fluid Loss at Altitude Calculator
Estimate the extra fluid you lose exercising at altitude
Game Day Nutrition Planner
Time your pre-game, half-time, and post-game fuelling
Sport Heat Index Performance Estimator
Estimate endurance performance impact in hot conditions.
HRV Readiness Score Interpreter
Interpret your morning HRV against your 7-day rolling baseline
Sport Injury Return-to-Play Timeline
Estimate return-to-play time for common sport injuries
Sport Periodisation Block Planner
Plan your macrocycle blocks backward from a target competition date
Relative Strength Index Calculator
Compare your strength to bodyweight across the main barbell lifts
Wind Effect on Sprint Performance
Estimate wind assistance or resistance on 100m and 200m sprint times
Spousal Support / Alimony Calculator
Estimate alimony duration and amount using common statutory factor models
Sputum Gram Stain Quality Checker (Murray-Washington Criteria)
Decide whether a sputum sample is acceptable for culture
SRM Beer Color Calculator (Daniels)
Estimate beer color using Ray Daniels' MCU-based formula
SRM Beer Color Calculator (Morey)
Predict beer color in SRM and EBC using the Morey equation
Stamp Condition Grade Reference
Compare philatelic grade descriptions (P, F, VF, XF, Superb) for stamps
Standby Power Waste Calculator
Calculate annual cost and CO2 from devices left on standby
500 Rule & NPF Star Trail Calculator
Find the longest exposure before stars trail, for any focal length
Step Mash Infusion Calculator
Calculate the boiling-water volume to add for each step mash temperature rest.
Photography Stop Calculator
Find the EV stops between two aperture, shutter speed, or ISO values
Structural Bolt Pretension Torque Calculator
Convert required pretension to installation torque for A325, A490, and metric bolts
Studio Monitor Placement Calculator
Find the ideal monitor distance, angle and position for your room
Study Session Pomodoro Planner
Plan Pomodoro study sessions from your daily available hours.
Sunny-16 Exposure Rule Calculator
Apply the Sunny-16 rule to find exposure settings in any lighting condition
Superheat Calculator (Fixed-Orifice Systems)
Find suction-line superheat from suction pressure and temperature to set the charge
Supply Chain Scope 3 Category 1 Estimator
Estimate purchased-goods emissions using spend-based or average-data methods
Theoretical Surface Finish (Ra) Calculator
Estimate theoretical surface roughness Ra from feed and nose radius
Surge Protective Device (SPD) Sizing Calculator
Select SPD type, MCOV, and discharge current for service-entrance and branch use.
Swimming Dryland Training Load
Plan dryland strength sessions using your swim training volume.
Swimming SWOLF & Efficiency Score
Calculate your SWOLF score to measure swimming efficiency
Swing & Groove Timing Calculator
Calculate note timing shifts for swing, shuffle, and groove feels
TAF Decoder
Translate a Terminal Aerodrome Forecast into readable plain-English periods
Tank-Mix Partner Compatibility Reference
Check common herbicide and fungicide tank-mix compatibility from a static reference
2026 Tax Bracket Calculator
Find your 2026 federal marginal and effective tax rate
TCG Swiss Tournament Round Calculator
Calculate number of Swiss rounds needed for a TCG tournament
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
Tennis UTR & NTRP Level Guide
Estimate your UTR and NTRP rating from your game description.
Tennis Tiebreak Score Tracker
Track a tennis tiebreak with correct serving rotation
Terraria DPS Calculator
Calculate your real Terraria damage per second with correct formulas
Test Anxiety Study Plan Generator
Build a calm, structured study plan for test-anxious learners.
Test Score Improvement Target Calculator
Work out the score gain you need and the study hours to reach it
Lathe Thread-Cutting Gear Train Calculator
Find change-gear combinations to cut any thread TPI on a non-quick-change lathe
Thread Pitch Calculator
Convert TPI to pitch and back for inch and metric threads
3:1 Descent Gradient Calculator
Calculate top of descent point and vertical speed for a 3-degree path
Tidal Height Harmonic Estimator
Estimate tidal height through the day from M2, S2, K1, and O1 constituents
Simplified Tide Height Calculator
Estimate tide height between high and low water using the Rule of Twelfths.
Time of Useful Consciousness (Hypoxia) Reference
Look up TUC at altitude and the oxygen rules after a pressurisation failure
TIMI Risk Score for UA/NSTEMI
Seven-item risk predictor for MACE in unstable angina
TOEFL Minimum Score Requirements Checker
Check TOEFL minimums against common university tiers.
Token Vesting & Cliff Schedule Visualiser
Visualise token unlock schedule with cliff, linear, and custom vesting
Tooling Cost per Part Calculator
Amortize insert or end-mill cost over expected part count, with break-even
Top/Bottom Layer Count to Thickness
Convert top and bottom solid layer counts into total thickness in mm
Top of Descent (TOD) Calculator
Calculate top of descent distance for any angle, speed, and altitude change
Towing Capacity Checker
Verify whether your vehicle and trailer combo is within safe GVWR and towing limits
TPC & MCTC Calculator
Calculate Tonnes Per Centimetre and Moment to Change Trim One Centimetre
Trademark Nice Classification Lookup
Find the right Nice class and example identifications for trademark filings
Bacterial Transformation Efficiency Calculator
Calculate CFU/ug DNA from colony count and plating volume
Freight Transit Time Estimator
Estimate domestic LTL/FTL transit days by lane using standard distance bands
Transtubular Potassium Gradient (TTKG) Calculator
Assess renal potassium handling in hypo- and hyperkalaemia
Tree Equivalent Carbon Calculator
Convert your CO2e into the number of trees needed to absorb it
Triathlon Bike Split Calculator
Calculate target bike split power for your triathlon goal time.
Triathlon Multi-Sport Training Zones
Get swim, bike, and run zones from one set of threshold tests
Trolling Depth Calculator
Estimate lure depth for lead core or braided trolling line
High-Sensitivity Troponin Serial Rise Calculator
Detect significant troponin rise for 0h/1h/3h ACS rule-in/rule-out
Trucking Cost Per Mile Calculator
Calculate fully-loaded cost per mile for owner-operators and fleets
Tumour Lysis Syndrome Risk Calculator (Cairo-Bishop)
Classify TLS risk before starting chemotherapy
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.
Under-Keel Clearance Calculator
Compute available UKC accounting for draft, squat, tide, and water density
University Credit Transfer Calculator
Calculate transferred credits and their GPA contribution.
University Interview Score Simulator
Simulate how interview performance affects offer probability.
Urinalysis Result Interpreter
Translate dipstick and microscopy findings into clinical differentials
Vehicle Accident Economic Damages Calculator
Total vehicle repair, rental, wage loss, and medical specials for an auto claim
VFD Motor Cable Derating & Shielded Cable Calculator
Conductor derating and shielded cable specs for variable-frequency drive installs
Video Bitrate & Storage Calculator
Estimate video file size from bitrate, frame rate and duration
VIN Model Year Decoder
Instantly decode the model year from VIN position 10 for any year 1980–2040
VIN Structure Decoder
Break any VIN into its WMI, VDS, and VIS sections with field-level explanations
Visa Bulletin Wait-Time Estimator
Estimate years to a green card from historical priority-date movement
Wargame Charge Range & Reach Calculator
Find reliable charge range and reach for a 2D6 wargame unit
Warhammer 40K Army Points Calculator
Build and tally Warhammer 40K army lists within points limits
Warhammer Kill Team Points Calculator
Build Kill Team rosters and stay within your point limit
Warping Risk Assessor
Assess warping risk for a print based on material, geometry, and settings
Waste Hierarchy Optimizer
Find the highest waste hierarchy option for your material under the EU WFD
Brewing Water Chemistry Calculator
Calculate salt additions to hit target water ion profiles
Water Footprint Calculator
Estimate your personal or product water footprint in litres
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
Weld Symbol Decoder
Decode AWS A2.4 weld symbols into plain-English joint instructions
Welder Duty Cycle Calculator
Check whether your welder can sustain a job's required on-time percentage
Welding Distortion Estimator
Estimate angular and longitudinal distortion for common weld joints
Welding Heat Input Calculator
Calculate arc energy input in kJ/mm or kJ/in for procedure qualification
Wells DVT Score with D-Dimer Interpretation
Combine the Wells score with D-dimer to drive the DVT pathway
Wells Score for DVT
Pre-test probability for deep vein thrombosis
Wells Score for Pulmonary Embolism
Clinical pre-test probability for PE to guide CTPA decisions
WhatsApp Profile & Banner Size Tool
Get pixel-perfect WhatsApp profile picture and banner dimensions.