Speed Distance Time Calculator

Speed Distance Time Calculator is a fast, accurate app for solving speed, distance, and time problems — plus pace for runners, swimmers, and rowers, and handy tools for everyday travel. Enter any two values and get the third instantly. Results update as you type. No login required. Core calculations work offline. ✨ MAIN CALCULATORS 🔢 Speed — distance + time → speed 📏 Distance — speed + time → distance ⏱️ Time — speed + distance → travel time 🏃 Pace — distance + time → min/km, min/mile, min/100m, min/500m, min/100yd, and speed ✨ BUILT-IN TOOLS 🗺️ Trip planner — ETA from depart time, or required speed to arrive by a deadline ⛽ Fuel cost — estimate fuel needed and total cost from efficiency and price 📊 Average speed — combine multiple legs into one average 🔄 Unit converter — convert speed, distance, and duration units (km ↔ miles, km/h ↔ mph, hours ↔ minutes, and more) ✨ SMART FEATURES ⚡ Live results as you type 📋 Example presets — 5K, marathon, highway trips, and more (one tap to try) 🧭 Many units — km, miles, meters, yards, feet, knots, and optional advanced units (Mach, light year, etc.) 🌙 Light, dark, and system theme ⚙️ Settings — decimal precision, default units, calculation history & favorites 📤 Copy and share results on every tab 📱 Clean Material Design UI; optimized for phones and tablets 🚫 Optional Remove Ads (one-time purchase) 🎯 PERFECT FOR • Students solving physics and motion problems • Runners, cyclists, and swimmers tracking pace • Drivers and travelers estimating ETA or trip time • Anyone converting between km/miles, km/h/mph, or time units Pick two values — or use a preset — and get clear, accurate answers in seconds. Questions or suggestions? divinityinception@gmail.com