Calculate interest with adjustable rates over time. Compare scenarios with varying interest rates and term lengths. Add monthly deposits and view inflation-adjusted results. Tap chart points to see detailed amounts.
by Paul Keen★ 5.01 ratingsFinance$1.99Data updated 2026-09-08
Calculate net, tax, and gross values with one-step input. Add or remove tax instantly. Automatically detects local currency and tax type. Supports VAT, GST, and tax. Input any amount for accurate pricing decisions.
Calculate gas rates for Imperial and Metric meters up to 16 cubic metres. Input meter readings to determine ratings. Email results directly from the . Track and record gas service data for engineers and installers.