Convert Grains per hour to Long tons per second

Convert Grains per hour (gr/h) to Long tons per second (long ton/s) instantly and accurately.

Grains per hour (gr/h)
Long tons per second (long ton/s)

Conversion Formula

long ton/s = gr/h × 1.771541950e-11

About Grains per hour

The grain per hour (gr/h) equals 6.479891×10⁻⁵/3600 ≈ 1.800×10⁻⁸ kg/s, used in HVAC psychrometric calculations for dehumidifier capacity and moisture-removal rates. ASHRAE load calculation spreadsheets report latent loads in grains of water per hour; a typical residential dehumidifier removes 5×10⁵-2×10⁶ gr/h. 1 gr/h ≈ 1.800×10⁻⁸ kg/s.

About Long tons per second

The long ton per second (long ton/s) equals 1 016.0469088 kg/s, based on the UK long ton of 2 240 lb used historically in British heavy industry and naval engineering. It quantifies extremely high discharge rates such as large dam break surges or catastrophic industrial spillages. 1 long ton/s = 1 016.0469088 kg/s ≈ 1.016 t/s ≈ 1.120 short ton/s.

Quick Reference Table

Grains per hour (gr/h)Long tons per second (long ton/s)
1 gr/h1.772 × 10-11 long ton/s
2 gr/h3.543 × 10-11 long ton/s
5 gr/h8.858 × 10-11 long ton/s
10 gr/h1.772 × 10-10 long ton/s
25 gr/h4.429 × 10-10 long ton/s
50 gr/h8.858 × 10-10 long ton/s
100 gr/h1.772 × 10-9 long ton/s

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