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.