Outgrow
Build quizzes, calculators, and forms that turn visitors into leads
Calculators
Perform specialized calculations using defined inputs, formulas, and outputs for practical or technical questions.
Antarctica Trip Cost Calculator
Explore an Antarctic cruise budget with clear assumptions
GasSplit
Calculate and share a road trip fuel bill
Hourora
Compare world clocks and find times that work across time zones
Mathway
Solve math problems with step-by-step explanations and dedicated calculators
QuotaBird
Check sales quotas, pipelines, deals, and compensation
InvestBeacon
Compare investment platforms available across Europe
HowMuchWatts
Explore home energy costs with transparent calculators
EcoEnergyCalc
Compare household energy use and running costs
SunMetricLab
Estimate solar sizing and costs with adjustable inputs
DebtMeltPro
Compare debt repayment scenarios with a browser-based calculator
Brew Great Coffee
Adjust coffee extraction with taste-based guidance, recipes, and brew timers
SpeedCrunch
Calculate with high precision, reusable variables and an editable history
Qalculate!
Combine everyday calculations with units, symbolic math and plotting
CoolClimate Calculator
Estimate household emissions and compare practical ways to reduce them
Soulver
Work out numbers in a notepad that calculates each line
PCalc
Use scientific, programmer and unit calculations on Apple devices
CalcTape
Change an earlier number and recalculate an annotated running total
Carbon Footprint Calculator
Calculate personal emissions from energy use, travel and everyday purchases
WWF Footprint Calculator
Estimate the footprint of food, travel, home energy and shopping in the UK