Calculators
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Quick estimators, converters and tests. Pick a task, enter the known values and get a direct result.
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Use the calculator that matches your question. Every calculator below runs directly in your browser and states the inputs behind its result.
iPhone battery
Estimate battery condition, charging habits and replacement cost.
iPhone battery life estimator
Estimate capacity health and runtime from measured battery values.
iPhone charging habits check
Review charging habits without treating a checklist as a diagnosis.
iPhone battery replacement cost
Add a current service quote and related costs without assuming a price.
Game currency
Convert virtual currency to an approximate cash value.
Pokémon Unite Aeos Gems to USD
Convert Aeos Gems using current bundle data you enter.
Minecraft Minecoins to USD
Convert Minecoins using current bundle data you enter.
Fall Guys Show-Bucks to USD
Convert Show-Bucks using current bundle data you enter.
Clash of Clans Gems to USD
Convert Gems using current bundle data you enter.
Riot Points to USD
Convert Riot Points using current bundle data you enter.
Valorant Points to USD
Convert Valorant Points using current bundle data you enter.
Genshin Impact Genesis Crystals to USD
Convert Genesis Crystals using current bundle data you enter.
Fortnite V-Bucks to USD
Convert V-Bucks using current bundle data you enter.
Roblox Robux to USD
Convert Robux using current bundle data you enter.
Twitch Bits to USD
Convert Twitch Bits using current bundle data you enter.
Streaming, hardware and data
Streaming revenue
Estimate gross revenue from current subscriber and creator-share inputs.
Reaction time test
Measure your response time in this browser.
Keyboard actuation force
Convert gram-force to newtons and centinewtons.
Data storage converter
Convert decimal and binary storage units.
Video bitrate for streaming
Estimate bitrate from resolution, frame rate and a chosen bits-per-pixel target.
Gaming monitor size
Calculate panel dimensions and pixel density.