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Math, Units & Quick Decisions tools

Everyday math, percentages and conversions Every tool below runs in your browser — no sign-up, no upload, no hidden tracking. Browse 6 math, units & quick decisions tools, organized into 4 sub-categories so you can find what you need fast.

Browse by sub-category

Unit & Conversion
Unit & Conversion
Quick Math & Percentages
Quick Math & Percentages
Academic Calculation
Academic Calculation
Probability & Random Choices
Probability & Random Choices

All math, units & quick decisions tools

6 tools
Unit Converter
Length, weight and temperature in any unit.
Percentage Calculator
Find X% of Y, or what % X is of Y.
Random Number
Random integers in any range.
Dice Roller
Roll NdM dice for games and decisions.
Coin Flip
Heads or tails with running tally.
GPA Calculator
Weighted GPA on the standard 4.0 scale.

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