Number 1: 
Figmetric
Free personal finance calculators that show your money's real numbers
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- DR 1 no change since last check
Parts bin · 73 builds
Calculators
Browser-based calculators that turn a handful of inputs into a clear answer, built by makers who got tired of doing the sums by hand.
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Number 2:
HT CalcTransparent mortgage, lending, and real estate investment calculators
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- DR 5 no change since last check
Number 3: Recessed Light Calculator
Free recessed lighting calculator for can light layout and spacing
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- DR 2 no change since last check
Number 4: The Life Calculators
Free online calculators for home improvement, money, health, auto, and everyday life
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- DR 2 no change since last check
Number 5:
MoneyHackWiseFree AI-powered finance calculators with explanations
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- DR 0 no change since last check
Number 6:
Pregnancy MetricsFree pregnancy and preconception calculators
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- DR 0 no change since last check
Number 7:
SpinMindCreate beautiful spin wheels with AI for names, giveaways, classroom activities, games, and quick decisions with customizable odds.
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- DR 2 no change since last check
Number 8:
ToolsNowFree calculators and file tools that run entirely in your browser
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- DR 1 no change since last check
Number 9:
ResinBatchFree epoxy resin calculator for mold batches, casting voids and tabletop coatings
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- DR 1 no change since last check
Number 10:
The Housing ModelRent vs buy planner showing which option you can afford based on your take-home pay, kids, childcare, cars and debts
- Calculators
- United States
- DR 0 no change since last check
Number 11:
DisplayMathFree screen size calculator that compares TVs and monitors to scale
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- DR 1 no change since last check
Number 12:
PeptideDoseFree peptide reconstitution and dosage calculator for researchers and laboratory professionals
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- DR 1 no change since last check
Number 13:
Drywall PlannerFree drywall calculator for estimating sheets, joint compound, tape, screws and cost
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- DR 0 no change since last check
Number 14:
US Vehicle Tax CalculatorFree car sales tax and DMV fee calculator for all 50 states and DC
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- United States
- DR 0 no change since last check
Number 15:
CallPutHubFree options calculators and trade analyzer that shows its assumptions
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- DR 7 no change since last check
Number 16:
Your Bottleneck CalculatorFree PC bottleneck calculator that identifies which component limits your gaming or work performance
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- DR 0 no change since last check
Number 17:
Chronological Age CalculatorFree exact age calculator in years, months and days for educators, clinicians and parents
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- DR 11 no change since last check
Number 18:
isCalculatorUnlimited web calculators powered by AI
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- DR 27 −1 (down) since last check
Number 19:
GradeCalBrowser-based grade calculator for weighted course grades, final planning, and GPA estimates
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- DR 8 no change since last check
Number 20:
RepMathsFree fitness calculators for strength, training, nutrition and body composition
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- DR 0 no change since last check
Number 21:
CalcuSenseFree online calculator platform with 50+ tools for math, finance, health and more
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- DR 2 no change since last check
Number 22:
Gold Value CalculatorLive 14K gold price calculator updated hourly in USD
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- DR 0 no change since last check
Number 23: Gold Price Per Gram
Live gold prices per gram for 10K–24K gold, updated every 30 seconds
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- DR 20 −1 (down) since last check
Number 24:
StateTakeHomeUS paycheck calculator for all 50 states and DC with exact take-home pay calculations
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- United States
- DR 7 no change since last check
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About Calculators
Single-purpose calculators for money, measurements, planning and everyday sums. Most were built to scratch the maker's own itch. Look for visible workings, sensible defaults and a result you can check against your own back-of-envelope figures.
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