2152 tools and growing. Search, filter, and find your next favorite SaaS — ranked by the community.
CalculatorQueen AP World History Score Calculator
Audit an AP World practice composite across MCQ, SAQ, DBQ, and LEQ components.
CalculatorQueen ASQ Age and Score Worksheet
Check ASQ age, interval selection, and limited missing-item arithmetic without reproducing licensed content.
CalculatorQueen Maryland Paycheck Calculator
Review a Maryland gross-to-net paycheck scenario with state and local context shown separately.
CalculatorQueen Stone Calculator
Estimate stone volume and mass from measured area, depth, density, and a visible allowance.
CalculatorQueen Massachusetts Paycheck Calculator
Build a Massachusetts gross-to-net paycheck estimate with every modeled deduction visible.
CalculatorQueen AP Biology Score Calculator
Calculate an AP Biology practice composite from component percentages and published weights.
CalculatorQueen AP Chemistry Score Calculator
Audit an AP Chemistry practice composite from 60 MCQs and seven individually scored FRQs.
CalculatorQueen AP Lang Score Calculator
Compare an AP Lang weighted practice composite across transparent, dated planning models.
CalculatorQueen Colorado Paycheck Calculator
Compare gross earnings and estimated deductions for a Colorado pay period.
CalculatorQueen Estimate Sums Calculator
Compare a rounded-addend estimate with the exact sum and measure the resulting error.
CalculatorQueen Infinity Trick Lab
Reproduce infinity-display tricks and learn what the calculator result actually means.
CalculatorQueen Air Force PT Calculator
Model a 2026 USAF PFRA score while checking each component, minimum, and policy date.
CalculatorQueen Garden Item Value Calculator
Build a dated game-item value scenario from quantities, entered values, multipliers, and costs.
CalculatorQueen Arizona Paycheck Calculator
Estimate an Arizona pay period and inspect each step from gross earnings to net pay.
CalculatorQueen Overtime Calculator
Check regular and overtime gross pay with an explicit weekly threshold and multiplier.
CalculatorQueen Indiana Paycheck Calculator
Estimate an Indiana paycheck with visible pay-period and withholding assumptions.
DifiCalc
Free DeFi calculators: compare live APYs, impermanent loss, stablecoin rates and risk ratings across 200+ protocols.
StealAnEggApp
Free fan-made Steal An Egg guides, wiki references, spawn prediction, timers, calculators, update status, and local player-observation tools.
Handyman Toolkits
Free, fast, browser-based construction calculators for the trades.
Cat Years to Human Years
Free cat age calculator converting cat years to human years.
CalculatorQueen Tip Calculator
Calculate tips, bill totals, and equal per-person shares with a selectable tip base.
LONG DOGE
Mobile-focused frontend for DOGE long positions on Hyperliquid. Long-only, with a what-if calculator. Not an exchange; does not hold user funds.
AICost
Independent LLM API price desk — compare model pricing across OpenAI, Anthropic, Google and more. Calculators, head-to-heads, no paid placements.
Kelvin to Celsius Calculator
Convert kelvins to °C or Celsius to kelvins using the exact 273.15 offset, with absolute-zero validation, worked examples, and a reference table.
CalculatorQueen Milliwatt Calculator
Convert milliwatts and watts with SI formulas, a scale chart, and CSV.
CalculatorQueen Centimeters to Millimeters Calculator
Convert centimeters and millimeters both ways using the exact metric factor.
CalculatorQueen Roth IRA Calculator
Project Roth IRA growth and compare a simplified annually taxed account.
CalculatorQueen Celsius to Fahrenheit Calculator
Convert Celsius and Fahrenheit both ways with exact formulas and reference points.
newlife
Free online calculators and unit converters for health, finance and everyday use. Instant results, no signup needed.
ITToolSpace
Free multilingual tools for PDF, images, text, developers, SEO and business calculations.